638947072 (number)

638947072 is an even 9-digits composite number following 638947071 and preceding 638947073. In scientific notation, it is written as 6.38947072 × 10^8. The sum of its digits is 46. It has a total of 9 prime factors and 18 positive divisors. There are 319473408 positive integers (up to 638947072) that are relatively prime to 638947072.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred forty-seven thousand seventy-two

Notation

Scientific notation 6.38947072 × 10^8
Engineering notation 6.38947072 × 10^6

Prime Factorization of 638947072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2495887

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 4991774
Product of the distinct prime numbers

The prime factorization of 638947072 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2495887. Since it has a total of 9 prime factors.

Most popular turbo-numbers

9, 1, 74, 6, 112, 800, 7589, 3258, 41836, 17540, 388451, 934682, 52523, 4371667, 86001608, 32548572, 907112519, 327733878, 6418060386, 9428666588

Basic calculations (n = 638947072)

Multiplication

n×y
n×2 1277894144
n×3 1916841216
n×4 2555788288
n×5 3194735360

Division

n÷y
n÷2 319473536
n÷3 212982357.33333
n÷3 159736768
n÷5 127789414.4

Exponentiation

ny
n2 408253360817373184
n3 2.6085228952842E+26
n4 1.6667080661868E+35
n5 1.0649382387688E+44

Nth Root

y√n
2√n 25277.40239819
3√n 861.30101980992
4√n 158.98868638425
5√n 57.688995489078

Divisors of 638947072

1, 2, 4, 8, 16, 32, 64, 128, 256, 2495887, 4991774, 9983548, 19967096, 39934192, 79868384, 159736768, 319473536, 638947072

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638947071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638947072 can be divided by 18 positive divisors. The sum of these divisors (counting 638947072) is 1, the average is 0.055555555555556.

Base conversion 638947072

Base System Value
2 Binary 100110000101011000111100000000
3 Ternary 1122112021212121101
4 Quaternary 212011120330000
5 Quinary 2302032301242
6 Senary 143222504144
8 Octal 4605307400
10 Decimal 638947072
12 Duodecimal 159b95054
16 Hexadecimal 26158f00
20 Vigesimal 9jd87dc
36 Base36 akeups

Cryptographic Hash Functions

md5 a81832fbaa2285a672a57fbba92d835d
sha1 bcc3821d1f57475c843ef88c457cadabe2a224d3
sha256 23d661acee3b40a9aed3ad22b12a04f8c4dc908af589d257feec4d312e8ab2f8
sha512 7a3fd55a025d273841344a49b018791f924f93ca7bcc87b69a42567a8f74bf3d990d2f670f0f885d275f61a46869e340b05eca9278c151fb97a2d0244ab0e819
ripemd-160 01231151f580bcc72581d616140065ef5aea5dc7

638947072 as geometric shapes

Circle

Radius = n
Diameter 1277894144
Circumference 4014622854.8558
Area 1.2825657591472E+18

Sphere

Radius = n
Volume 1.0926555152727E+27
Surface area 5.1302630365888E+18
Circumference 4014622854.8558

Square

Length = n
Perimeter 2555788288
Area 408253360817373184
Diagonal 903607614.86098

Cube

Length = n
Surface area 2449520164904239104
Volume 2.6085228952842E+26
Space diagonal 1106688792.0514

Equilateral Triangle

Length = n
Perimeter 1916841216
Area 1.7677889082411E+17
Altitude 553344396.02568

Triangular Pyramid

Length = n
Surface area 1.7677889082411E+17
Volume 3.0741737135597E+25
Height 301202538.28699