638695956 (number)

638695956 is an even 9-digits composite number following 638695955 and preceding 638695957. In scientific notation, it is written as 6.38695956 × 10^8. The sum of its digits is 57. It has a total of 5 prime factors and 24 positive divisors. There are 210333280 positive integers (up to 638695956) that are relatively prime to 638695956.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred ninety-five thousand nine hundred fifty-six

Notation

Scientific notation 6.38695956 × 10^8
Engineering notation 6.38695956 × 10^6

Prime Factorization of 638695956

Prime Factorization 2 × 2 × 3 × 83 × 641261

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319347978
Product of the distinct prime numbers

The prime factorization of 638695956 is 2 × 2 × 3 × 83 × 641261. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 8, 28, 396, 450, 507, 2161, 99136, 23499, 166343, 206487, 4545388, 7262086, 27587333, 20181686, 281739895, 360687420, 4415928315, 6476500

Basic calculations (n = 638695956)

Multiplication

n×y
n×2 1277391912
n×3 1916087868
n×4 2554783824
n×5 3193479780

Division

n÷y
n÷2 319347978
n÷3 212898652
n÷3 159673989
n÷5 127739191.2

Exponentiation

ny
n2 407932524210753936
n3 2.6054485353428E+26
n4 1.6640894430896E+35
n5 1.0628471977236E+44

Nth Root

y√n
2√n 25272.434706613
3√n 861.18817018737
4√n 158.97306283334
5√n 57.684460244031

Divisors of 638695956

1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996, 641261, 1282522, 1923783, 2565044, 3847566, 7695132, 53224663, 106449326, 159673989, 212898652, 319347978, 638695956

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638695955
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638695956 can be divided by 24 positive divisors. The sum of these divisors (counting 638695956) is 1, the average is 0.041666666666667.

Base conversion 638695956

Base System Value
2 Binary 100110000100011011101000010100
3 Ternary 1122111211010010210
4 Quaternary 212010123220110
5 Quinary 2302001232311
6 Senary 143213245420
8 Octal 4604335024
10 Decimal 638695956
12 Duodecimal 159a93870
16 Hexadecimal 2611ba14
20 Vigesimal 9jbgjhg
36 Base36 ak9gyc

Cryptographic Hash Functions

md5 a66a678ed653fbe2fbb06086cc417d86
sha1 7b8ca0091b2e3889914780376e995ef529a440a6
sha256 c9e52756172c30febc85a6ebbf2ef3098784701a2a9899eca9fb836ec1604025
sha512 e2bb9ad1304c3e2460377befa59e9df37872fe656766c4c889af5712f39436e16359f359fcce9795c476417246a5ed8383ba765fa08b087d6617a868cedffea0
ripemd-160 80ba8638702645cab81b6d76e9b5bc93b9ea58e1

638695956 as geometric shapes

Circle

Radius = n
Diameter 1277391912
Circumference 4013045046.4942
Area 1.2815578212208E+18

Sphere

Radius = n
Volume 1.0913677303919E+27
Surface area 5.1262312848834E+18
Circumference 4013045046.4942

Square

Length = n
Perimeter 2554783824
Area 407932524210753936
Diagonal 903252483.20805

Cube

Length = n
Surface area 2447595145264523616
Volume 2.6054485353428E+26
Space diagonal 1106253846.3808

Equilateral Triangle

Length = n
Perimeter 1916087868
Area 1.7663996449821E+17
Altitude 553126923.19039

Triangular Pyramid

Length = n
Surface area 1.7663996449821E+17
Volume 3.0705505456224E+25
Height 301084161.06935