Number
2,001,513
- Positive
- Odd
- Composite
- 7 digits
2,001,513 is an odd 7-digit integer and a composite number. It has 4 divisors and a digital root of 3.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value2,001,513
Digit count7
Digit sum12
Digital root3repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation3 × 667,171
Distinct prime factors23, 667,171
Number of divisors4
Sum of divisors σ(n)2,668,688
Aliquot sum667,175sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)1,334,340integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 3, 667,171, 2,001,5134 in total
Arithmetic
Previous number2,001,512
Next number2,001,514
Double4,003,026
Half1,000,756.5
Square4,006,054,289,169
Cube8,018,169,738,477,512,697
Square root1,414.748387523≈irrational, shown to 9 decimal places
Cube root126.02386799≈
Negation-2,001,513
Reciprocal4.99622036 × 10^-7≈
Representations
Decimal2,001,513
Binary11110100010100110100121 bits
Octal7505151
Hexadecimal1E8A69
Base 3616WDL
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordstwo million, one thousand, five hundred and thirteen
Ordinaltwo million, one thousand, five hundred and thirteenth
Scientific notation2.001513 × 10^6
Engineering notation2.001513 × 10^6
Nearest landmarks
Powers & multiples
2,001,513 to the power 24,006,054,289,169
2,001,513 to the power 38,018,169,738,477,512,697
2,001,513 to the power 416,048,470,967,769,341,870,710,561
2,001,513 to the power 532,121,223,272,112,918,755,671,507,078,793
First ten multiples2,001,513, 4,003,026, 6,004,539, 8,006,052, 10,007,565, 12,009,078, 14,010,591, 16,012,104, 18,013,617, 20,015,130
Powers of twoBetween 2^20 (1,048,576) and 2^21 (2,097,152)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 1
Divisible by 5No, remainder 3
Divisible by 6No, remainder 3
Divisible by 7No, remainder 3
Divisible by 8No, remainder 1
Divisible by 9No, remainder 3
Divisible by 10No, remainder 3
Divisible by 11No, remainder 8
Divisible by 12No, remainder 9
Divisible by 100No, remainder 13
Collatz (3n + 1) trajectory
Steps to reach 196the total stopping time
Highest value reached15,199,0007× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps2,001,513 → 6,004,540 → 3,002,270 → 1,501,135 → 4,503,406 → 2,251,703 → 6,755,110 → 3,377,555 → 10,132,666 → 5,066,333 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage200,151,300%
2,001,513% as a decimal20,015.13
2,001,513% of 1002,001,513
2,001,513% of 1,00020,015,130
As a fraction of 1002,001,513/100
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