Recognised as Number
-380
- Negative
- Even
- 3 digits
-380 is an even 3-digit integer and the negative of 380. It has 12 divisors and a digital root of 2.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value380
Digit count3
Digit sum11
Digit product0zero, because one of the digits is zero
Multiplicative persistence1times the digit product can be taken before one digit is left
Digital root2repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2^2 × 5 × 19
Distinct prime factors32, 5, 19
Number of divisors12
Sum of divisors σ(n)840
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 38012 in total
Arithmetic
Representations
Decimal-380
Binary1011111009 bits
Octal574
Hexadecimal17C
Base 36AK
In wordsminus three hundred and eighty
Ordinalminus three hundred and eightieth
Scientific notation-3.8 × 10^2
Engineering notation-380
In other bases
Ternary112002base 3; the most digit-efficient integer base after e: 6 digits
Quinary3010base 5; one hand: 4 digits
Septenary1052base 7: 4 digits
Nonary462base 9; each digit is two ternary digits: 3 digits
Duodecimal278base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 3 digits
Vigesimalj0base 20; hands and feet, and the Mayan and Yoruba systems: 2 digits
Sexagesimal6:20base 60; Babylonian, and still how an hour and a circle are divided: 2 digits
Balanced ternaryT1110T1digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary1110000100base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
1111111010000100
Bit length9 bitsto write the magnitude
Set bits6the population count, or Hamming weight
Zero bits3within that length
Bit parityeven6 set bits, so even; not the same as the number itself being even
Highest set bitbit 8worth 256
Lowest set bitbit 22 trailing zeros
Power of twoNo
Bytes201 7c
Gray code111000010n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit1111111010000100two's complement
32-bit11111111111111111111111010000100two's complement
64-bit1111111111111111111111111111111111111111111111111111111010000100two's complement
One's complement0000000101111011at 16 bits, every bit flipped
Bits reversed0010000101111111at 16 bits
Rotated left by 11111110100001001at 16 bits, wrapping
Shifted left by 1-1011111000= -760, no wrap
Shifted right by 1-10111110= -190, discarding the low bit
These bits as a double1.87744945 × 10^-321≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-380 to the power 2144,400
-380 to the power 3-54,872,000
-380 to the power 420,851,360,000
-380 to the power 5-7,923,516,800,000
First ten multiples-380, -760, -1,140, -1,520, -1,900, -2,280, -2,660, -3,040, -3,420, -3,800
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4Yes
Divisible by 5Yes
Divisible by 6No, remainder 2
Divisible by 7No, remainder 2
Divisible by 8No, remainder 4
Divisible by 9No, remainder 2
Divisible by 10Yes
Divisible by 11No, remainder 6
Divisible by 12No, remainder 8
Divisible by 100No, remainder 80
As a percentage & fraction
As a percentage-38,000%
-380% as a decimal-3.8
-380% of 100-380
-380% of 1,000-3,800
As a fraction of 100-380/100
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Derived from -380
Nerdulate something else
Nothing in mind? Surprise me · today’s page