638996912 (number)

638996912 is an even 9-digits composite number following 638996911 and preceding 638996913. In scientific notation, it is written as 6.38996912 × 10^8. The sum of its digits is 53. It has a total of 6 prime factors and 20 positive divisors. There are 318624960 positive integers (up to 638996912) that are relatively prime to 638996912.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38996912 × 10^8
Engineering notation 6.38996912 × 10^6

Prime Factorization of 638996912

Prime Factorization 2 × 2 × 2 × 2 × 367 × 108821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 79874614
Product of the distinct prime numbers

The prime factorization of 638996912 is 2 × 2 × 2 × 2 × 367 × 108821. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 10, 21, 33, 366, 621, 209, 3235, 86700, 49035, 194705, 863176, 7448955, 2625040, 98331638, 72769645, 126751314, 84250206, 5061161851, 1883559761

Basic calculations (n = 638996912)

Multiplication

n×y
n×2 1277993824
n×3 1916990736
n×4 2555987648
n×5 3194984560

Division

n÷y
n÷2 319498456
n÷3 212998970.66667
n÷3 159749228
n÷5 127799382.4

Exponentiation

ny
n2 408317053545535744
n3 2.6091333633254E+26
n4 1.6672281621611E+35
n5 1.0653536472204E+44

Nth Root

y√n
2√n 25278.388239759
3√n 861.32341401053
4√n 158.99178670535
5√n 57.689895447761

Divisors of 638996912

1, 2, 4, 8, 16, 367, 734, 1468, 2936, 5872, 108821, 217642, 435284, 870568, 1741136, 39937307, 79874614, 159749228, 319498456, 638996912

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638996911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638996912 can be divided by 20 positive divisors. The sum of these divisors (counting 638996912) is 1, the average is 0.05.

Base conversion 638996912

Base System Value
2 Binary 100110000101100101000110110000
3 Ternary 1122112101101222022
4 Quaternary 212011211012300
5 Quinary 2302040400122
6 Senary 143223531012
8 Octal 4605450660
10 Decimal 638996912
12 Duodecimal 159bb9a68
16 Hexadecimal 261651b0
20 Vigesimal 9jdec5c
36 Base36 akfx68

Cryptographic Hash Functions

md5 bd75c6a123920d562a8662e8ccfece19
sha1 aa19865e622e76004aa6893943e05027c81a33a6
sha256 9121696a83e5eba43934b8f337b1a445c57f72b26d653743ca8f1cdbe25f1521
sha512 9b184b9122b939b5bc30b4a0940bac7ea40306b3fb0c74ec81964eea0d55630d142b1128e5a2602210c78c14a1ceae04f4ebe8eb3309f1d0ee8b09fd35795d3e
ripemd-160 9b531056e8eaa908154cd82e470343ebdb3f2260

638996912 as geometric shapes

Circle

Radius = n
Diameter 1277993824
Circumference 4014936008.8115
Area 1.2827658557541E+18

Sphere

Radius = n
Volume 1.0929112275279E+27
Surface area 5.1310634230163E+18
Circumference 4014936008.8115

Square

Length = n
Perimeter 2555987648
Area 408317053545535744
Diagonal 903678099.26493

Cube

Length = n
Surface area 2449902321273214464
Volume 2.6091333633254E+26
Space diagonal 1106775117.4636

Equilateral Triangle

Length = n
Perimeter 1916990736
Area 1.7680647058442E+17
Altitude 553387558.73181

Triangular Pyramid

Length = n
Surface area 1.7680647058442E+17
Volume 3.0748931570457E+25
Height 301226033.08831