638862813 (number)

638862813 is an odd 9-digits composite number following 638862812 and preceding 638862814. In scientific notation, it is written as 6.38862813 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 425908536 positive integers (up to 638862813) that are relatively prime to 638862813.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-two thousand eight hundred thirteen

Notation

Scientific notation 6.38862813 × 10^8
Engineering notation 6.38862813 × 10^6

Prime Factorization of 638862813

Prime Factorization 3 × 3 × 70984757

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 212954271
Product of the distinct prime numbers

The prime factorization of 638862813 is 3 × 3 × 70984757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 92, 52, 531, 541, 1646, 7396, 45811, 24814, 378858, 273274, 1963022, 6908975, 57908041, 44423691, 68711137, 96441935, 7989840254, 7848568423

Basic calculations (n = 638862813)

Multiplication

n×y
n×2 1277725626
n×3 1916588439
n×4 2555451252
n×5 3194314065

Division

n÷y
n÷2 319431406.5
n÷3 212954271
n÷3 159715703.25
n÷5 127772562.6

Exponentiation

ny
n2 408145693834272969
n3 2.607491060768E+26
n4 1.6658290739546E+35
n5 1.0642362481638E+44

Nth Root

y√n
2√n 25275.73565695
3√n 861.26315775211
4√n 158.98344460022
5√n 57.687473900293

Divisors of 638862813

1, 3, 9, 70984757, 212954271, 638862813

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638862812
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638862813 can be divided by 6 positive divisors. The sum of these divisors (counting 638862813) is 1, the average is 0.16666666666667.

Base conversion 638862813

Base System Value
2 Binary 100110000101000100010111011101
3 Ternary 1122112010121000200
4 Quaternary 212011010113131
5 Quinary 2302022102223
6 Senary 143221014113
8 Octal 4605042735
10 Decimal 638862813
12 Duodecimal 159b54339
16 Hexadecimal 261445dd
20 Vigesimal 9jchh0d
36 Base36 akd1p9

Cryptographic Hash Functions

md5 0ea2fec59488e0b45681e24908e1a08e
sha1 cc731fc09406922ff27adc98b0f43ce9b912aaa0
sha256 e6ecc386c2bc245d73ebdbf0b9dfc03d0f9c5c445b1cff2416114af7fec2a200
sha512 ea71bdbbb00f73acccb0f843cace2d4613e9b70a515136bec6c5175d88e1ea01971e7036fa09fd17412ca50178a2d43089a55f96be64ce2e4af82a36a5a24f85
ripemd-160 360c24afe36d10ca4c7cfc46e42cada5a671bec2

638862813 as geometric shapes

Circle

Radius = n
Diameter 1277725626
Circumference 4014093439.945
Area 1.2822275133441E+18

Sphere

Radius = n
Volume 1.0922233014413E+27
Surface area 5.1289100533762E+18
Circumference 4014093439.945

Square

Length = n
Perimeter 2555451252
Area 408145693834272969
Diagonal 903488454.64043

Cube

Length = n
Surface area 2448874163005637814
Volume 2.607491060768E+26
Space diagonal 1106542851.1824

Equilateral Triangle

Length = n
Perimeter 1916588439
Area 1.7673226965285E+17
Altitude 553271425.59119

Triangular Pyramid

Length = n
Surface area 1.7673226965285E+17
Volume 3.0729576849206E+25
Height 301162818.21348