Number
3,742,740
- Positive
- Even
- Composite
- 7 digits
3,742,740 is an even 7-digit integer and a composite number. It has 96 divisors and a digital root of 9.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value3,742,740
Digit count7
Digit sum27
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberYesdivisible by its own digit sum
Factors & divisors
Prime factorisation2^2 × 3^3 × 5 × 29 × 239
Distinct prime factors52, 3, 5, 29, 239
Number of divisors96
Sum of divisors σ(n)12,096,000
Aliquot sum8,353,260sum of the proper divisors
ClassificationAbundantthe aliquot sum exceeds the number
Euler's totient φ(n)959,616integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 239, 261, 270, 290, 348, 435, 478, 522, 540, 580, 717, 783, 870, 956, 1,044, 1,195, 1,305, 1,434, 1,566, 1,740, 2,151, 2,390, 2,610, 2,868, 3,132, 3,585, 3,915, 4,302, 4,780, 5,220, 6,453, 6,931, 7,170, 7,830, 8,604, 10,755, 12,906, 13,862, 14,340, 15,660, 20,793, 21,510, 25,812, 27,724, 32,265, 34,655, 41,586, 43,020, 62,379, 64,530, 69,310, 83,172, 103,965, 124,758, 129,060, 138,620, 187,137, 207,930, 249,516, 311,895, 374,274, 415,860, 623,790, 748,548, 935,685, 1,247,580, 1,871,370, 3,742,74096 in total
Arithmetic
Previous number3,742,739
Next number3,742,741
Double7,485,480
Half1,871,370
Square14,008,102,707,600
Cube52,428,686,327,842,824,000
Square root1,934.616241015≈irrational, shown to 9 decimal places
Cube root155.261300491≈
Negation-3,742,740
Reciprocal2.67183935 × 10^-7≈
Representations
Decimal3,742,740
Binary111001000111000001010022 bits
Octal16216024
Hexadecimal391C14
Base 36287X0
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsthree million, seven hundred and forty-two thousand, seven hundred and forty
Ordinalthree million, seven hundred and forty-two thousand, seven hundred and fortieth
Scientific notation3.74274 × 10^6
Engineering notation3.74274 × 10^6
Nearest landmarks
Powers & multiples
3,742,740 to the power 214,008,102,707,600
3,742,740 to the power 352,428,686,327,842,824,000
3,742,740 to the power 4196,226,941,466,670,451,097,760,000
3,742,740 to the power 5734,426,422,904,966,164,141,630,262,400,000
First ten multiples3,742,740, 7,485,480, 11,228,220, 14,970,960, 18,713,700, 22,456,440, 26,199,180, 29,941,920, 33,684,660, 37,427,400
Powers of twoBetween 2^21 (2,097,152) and 2^22 (4,194,304)
Divisibility tests
Divisible by 2Yes
Divisible by 3Yes
Divisible by 4Yes
Divisible by 5Yes
Divisible by 6Yes
Divisible by 7No, remainder 1
Divisible by 8No, remainder 4
Divisible by 9Yes
Divisible by 10Yes
Divisible by 11No, remainder 1
Divisible by 12Yes
Divisible by 100No, remainder 40
Collatz (3n + 1) trajectory
Steps to reach 1172the total stopping time
Highest value reached3,742,740
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps3,742,740 → 1,871,370 → 935,685 → 2,807,056 → 1,403,528 → 701,764 → 350,882 → 175,441 → 526,324 → 263,162 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage374,274,000%
3,742,740% as a decimal37,427.4
3,742,740% of 1003,742,740
3,742,740% of 1,00037,427,400
As a fraction of 1003,742,740/100
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