638693856 (number)

638693856 is an even 9-digits composite number following 638693855 and preceding 638693857. In scientific notation, it is written as 6.38693856 × 10^8. The sum of its digits is 54. It has a total of 8 prime factors and 48 positive divisors. There are 211617792 positive integers (up to 638693856) that are relatively prime to 638693856.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred ninety-three thousand eight hundred fifty-six

Notation

Scientific notation 6.38693856 × 10^8
Engineering notation 6.38693856 × 10^6

Prime Factorization of 638693856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 27 × 173 × 4273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 39918366
Product of the distinct prime numbers

The prime factorization of 638693856 is 2 × 2 × 2 × 2 × 2 × 27 × 173 × 4273. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 7, 80, 97, 977, 64, 5126, 3466, 48035, 13700, 503291, 82366, 2293085, 3912187, 3765389, 3147204, 445815633, 678058884, 2491911160, 1446358952

Basic calculations (n = 638693856)

Multiplication

n×y
n×2 1277387712
n×3 1916081568
n×4 2554775424
n×5 3193469280

Division

n÷y
n÷2 319346928
n÷3 212897952
n÷3 159673464
n÷5 127738771.2

Exponentiation

ny
n2 407929841692148736
n3 2.6054228356783E+26
n4 1.6640675574298E+35
n5 1.0628297248994E+44

Nth Root

y√n
2√n 25272.393159335
3√n 861.18722633862
4√n 158.97293215933
5√n 57.684422311264

Divisors of 638693856

1, 2, 4, 8, 16, 27, 32, 54, 108, 173, 216, 346, 432, 692, 864, 1384, 2768, 4273, 4671, 5536, 8546, 9342, 17092, 18684, 34184, 37368, 68368, 74736, 115371, 136736, 149472, 230742, 461484, 739229, 922968, 1478458, 1845936, 2956916, 3691872, 5913832, 11827664, 19959183, 23655328, 39918366, 79836732, 159673464, 319346928, 638693856

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638693855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638693856 can be divided by 48 positive divisors. The sum of these divisors (counting 638693856) is 1, the average is 0.020833333333333.

Base conversion 638693856

Base System Value
2 Binary 100110000100011011000111100000
3 Ternary 1122111211000021000
4 Quaternary 212010123013200
5 Quinary 2302001200411
6 Senary 143213232000
8 Octal 4604330740
10 Decimal 638693856
12 Duodecimal 159a92600
16 Hexadecimal 2611b1e0
20 Vigesimal 9jbgecg
36 Base36 ak9fc0

Cryptographic Hash Functions

md5 5e46cdd4cfd00f0c9cb1d8e7df906960
sha1 10ddd647048d43b68bbe977c427be6481f2f1575
sha256 ed447df7af45f0ff638f524102515d1c9b609d7352cbdee6051b2ee07f6549ce
sha512 f9311c58357717189698353badc85d0d2433e55d3031346de06e6e69f36f45ae08bb7ca69ae6d6ab5a7712d65c982f4f79b6de82c506bdcac89aca8383347592
ripemd-160 16312bcf390d0bf58a2f2481ba80b46db87f7401

638693856 as geometric shapes

Circle

Radius = n
Diameter 1277387712
Circumference 4013031851.8051
Area 1.2815493938401E+18

Sphere

Radius = n
Volume 1.0913569653416E+27
Surface area 5.1261975753604E+18
Circumference 4013031851.8051

Square

Length = n
Perimeter 2554775424
Area 407929841692148736
Diagonal 903249513.35957

Cube

Length = n
Surface area 2447579050152892416
Volume 2.6054228356783E+26
Space diagonal 1106250209.0741

Equilateral Triangle

Length = n
Perimeter 1916081568
Area 1.7663880293358E+17
Altitude 553125104.53704

Triangular Pyramid

Length = n
Surface area 1.7663880293358E+17
Volume 3.0705202582773E+25
Height 301083171.11986