638865045 (number)

638865045 is an odd 9-digits composite number following 638865044 and preceding 638865046. In scientific notation, it is written as 6.38865045 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 269585280 positive integers (up to 638865045) that are relatively prime to 638865045.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-five thousand forty-five

Notation

Scientific notation 6.38865045 × 10^8
Engineering notation 6.38865045 × 10^6

Prime Factorization of 638865045

Prime Factorization 65 × 9 × 7 × 156011

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638865045
Product of the distinct prime numbers

The prime factorization of 638865045 is 65 × 9 × 7 × 156011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 16, 70, 887, 55, 6435, 4091, 27570, 43943, 380355, 122037, 916451, 6238976, 60850851, 60503722, 26951672, 340845100, 2986507504, 4733203090

Basic calculations (n = 638865045)

Multiplication

n×y
n×2 1277730090
n×3 1916595135
n×4 2555460180
n×5 3194325225

Division

n÷y
n÷2 319432522.5
n÷3 212955015
n÷3 159716261.25
n÷5 127773009

Exponentiation

ny
n2 408148545722852025
n3 2.6075183902991E+26
n4 1.6658523537568E+35
n5 1.0642548389462E+44

Nth Root

y√n
2√n 25275.779809929
3√n 861.26416075155
4√n 158.98358346046
5√n 57.687514208872

Divisors of 638865045

1, 7, 9, 63, 65, 455, 585, 4095, 156011, 1092077, 1404099, 9828693, 10140715, 70985005, 91266435, 638865045

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 -638865044
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 638865045 can be divided by 16 positive divisors. The sum of these divisors (counting 638865045) is 1, the average is 0.0625.

Base conversion 638865045

Base System Value
2 Binary 100110000101000100111010010101
3 Ternary 1122112010201002100
4 Quaternary 212011010322111
5 Quinary 2302022140140
6 Senary 143221032313
8 Octal 4605047225
10 Decimal 638865045
12 Duodecimal 159b55699
16 Hexadecimal 26144e95
20 Vigesimal 9jci2c5
36 Base36 akd3f9

Cryptographic Hash Functions

md5 cb043551e371e8df50f2ad3d8dd9af47
sha1 4285c93f13486b83e902ce7b25cba5c79fda403c
sha256 23232a94e1987dfafd53b785e95214f5ca8011eb9e622b30df22b74580230cdb
sha512 eaec681743f1c89e094d3123179623222d76151f69904df89297b0180fec0698cfbd5adb0db90962014162751b708e57189b3c2401bd7d157fd10cf12d582018
ripemd-160 4be74efba2721d710c94fcd865aa4c41e35092e8

638865045 as geometric shapes

Circle

Radius = n
Diameter 1277730090
Circumference 4014107464.0146
Area 1.2822364728163E+18

Sphere

Radius = n
Volume 1.0922347492085E+27
Surface area 5.1289458912651E+18
Circumference 4014107464.0146

Square

Length = n
Perimeter 2555460180
Area 408148545722852025
Diagonal 903491611.1651

Cube

Length = n
Surface area 2448891274337112150
Volume 2.6075183902991E+26
Space diagonal 1106546717.1198

Equilateral Triangle

Length = n
Perimeter 1916595135
Area 1.7673350455683E+17
Altitude 553273358.55989

Triangular Pyramid

Length = n
Surface area 1.7673350455683E+17
Volume 3.0729898930819E+25
Height 301163870.38837