638996913 (number)

638996913 is an odd 9-digits composite number following 638996912 and preceding 638996914. In scientific notation, it is written as 6.38996913 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 413079264 positive integers (up to 638996913) that are relatively prime to 638996913.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-six thousand nine hundred thirteen

Notation

Scientific notation 6.38996913 × 10^8
Engineering notation 6.38996913 × 10^6

Prime Factorization of 638996913

Prime Factorization 9 × 47 × 109 × 13859

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638996913
Product of the distinct prime numbers

The prime factorization of 638996913 is 9 × 47 × 109 × 13859. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 88, 43, 733, 168, 7540, 8987, 48697, 87063, 864218, 580216, 824395, 5801913, 34414645, 91500036, 167126410, 431882671, 5781966814, 1696891489

Basic calculations (n = 638996913)

Multiplication

n×y
n×2 1277993826
n×3 1916990739
n×4 2555987652
n×5 3194984565

Division

n÷y
n÷2 319498456.5
n÷3 212998971
n÷3 159749228.25
n÷5 127799382.6

Exponentiation

ny
n2 408317054823529569
n3 2.6091333755749E+26
n4 1.6672281725976E+35
n5 1.0653536555565E+44

Nth Root

y√n
2√n 25278.388259539
3√n 861.32341445984
4√n 158.99178676755
5√n 57.689895465817

Divisors of 638996913

1, 9, 47, 109, 423, 981, 5123, 13859, 46107, 124731, 651373, 1510631, 5862357, 13595679, 70999657, 638996913

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638996912
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638996913 can be divided by 16 positive divisors. The sum of these divisors (counting 638996913) is 1, the average is 0.0625.

Base conversion 638996913

Base System Value
2 Binary 100110000101100101000110110001
3 Ternary 1122112101101222100
4 Quaternary 212011211012301
5 Quinary 2302040400123
6 Senary 143223531013
8 Octal 4605450661
10 Decimal 638996913
12 Duodecimal 159bb9a69
16 Hexadecimal 261651b1
20 Vigesimal 9jdec5d
36 Base36 akfx69

Cryptographic Hash Functions

md5 100c37a36b782bdadc3c614dd6dbd4fd
sha1 2430714a01d0e82c11ca63c1ab03a12c4adaf7a0
sha256 aabf3470ac18ec3aa7cea38d3deabc63bf93a7ddeb930f1136a1841f7259f771
sha512 69087f3b41c84f7ae47618d71d89bf1c713310bf91f9d9882a170daa0220beb46285a7db19cd14bb5e882e473f61d597303b64457624dc44406eebdbdf82d0ac
ripemd-160 fdc7c42a6cd008c4df27a693523eab18fcdf76ec

638996913 as geometric shapes

Circle

Radius = n
Diameter 1277993826
Circumference 4014936015.0947
Area 1.282765859769E+18

Sphere

Radius = n
Volume 1.0929112326589E+27
Surface area 5.1310634390761E+18
Circumference 4014936015.0947

Square

Length = n
Perimeter 2555987652
Area 408317054823529569
Diagonal 903678100.67914

Cube

Length = n
Surface area 2449902328941177414
Volume 2.6091333755749E+26
Space diagonal 1106775119.1957

Equilateral Triangle

Length = n
Perimeter 1916990739
Area 1.7680647113781E+17
Altitude 553387559.59783

Triangular Pyramid

Length = n
Surface area 1.7680647113781E+17
Volume 3.0748931714819E+25
Height 301226033.55971