638995794 (number)

638995794 is an even 9-digits composite number following 638995793 and preceding 638995795. In scientific notation, it is written as 6.38995794 × 10^8. The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors. There are 212737520 positive integers (up to 638995794) that are relatively prime to 638995794.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-five thousand seven hundred ninety-four

Notation

Scientific notation 6.38995794 × 10^8
Engineering notation 6.38995794 × 10^6

Prime Factorization of 638995794

Prime Factorization 2 × 3 × 821 × 129719

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638995794
Product of the distinct prime numbers

The prime factorization of 638995794 is 2 × 3 × 821 × 129719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 15, 72, 205, 827, 9245, 3320, 26688, 35889, 917541, 472271, 2352692, 3597976, 81567396, 7186602, 37610056, 31825136, 6680874241, 7141294876

Basic calculations (n = 638995794)

Multiplication

n×y
n×2 1277991588
n×3 1916987382
n×4 2555983176
n×5 3194978970

Division

n÷y
n÷2 319497897
n÷3 212998598
n÷3 159748948.5
n÷5 127799158.8

Exponentiation

ny
n2 408315624749690436
n3 2.6091196683953E+26
n4 1.6672164941473E+35
n5 1.0653443274476E+44

Nth Root

y√n
2√n 25278.366125998
3√n 861.32291168148
4√n 158.99171716161
5√n 57.6898752607

Divisors of 638995794

1, 2, 3, 6, 821, 1642, 2463, 4926, 129719, 259438, 389157, 778314, 106499299, 212998598, 319497897, 638995794

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 -638995793
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 638995794 can be divided by 16 positive divisors. The sum of these divisors (counting 638995794) is 1, the average is 0.0625.

Base conversion 638995794

Base System Value
2 Binary 100110000101100100110101010010
3 Ternary 1122112101100102220
4 Quaternary 212011210311102
5 Quinary 2302040331134
6 Senary 143223521510
8 Octal 4605446522
10 Decimal 638995794
12 Duodecimal 159bb9296
16 Hexadecimal 26164d52
20 Vigesimal 9jde99e
36 Base36 akfwb6

Cryptographic Hash Functions

md5 9b3c6cbd2fcad90a720b47ca447b625a
sha1 ec5be979d198f993c917618aa52aa241c0627625
sha256 30d3ba0fe1a5ef00707b6bbcd1f716070e2d6bade08e1598e292692d056f99ab
sha512 88cb32cf62e6e9ef51376633c166296c84ea7c801c5fe0df82373f37fed6687219ccd6290fbc6026e7922a48feed8b7f5211881c6fee4012fe529d838a99c371
ripemd-160 6175abf5eee5bfa5c60d13cdbd3601c6b326e338

638995794 as geometric shapes

Circle

Radius = n
Diameter 1277991588
Circumference 4014928984.2104
Area 1.2827613670596E+18

Sphere

Radius = n
Volume 1.092905491009E+27
Surface area 5.1310454682382E+18
Circumference 4014928984.2104

Square

Length = n
Perimeter 2555983176
Area 408315624749690436
Diagonal 903676518.17416

Cube

Length = n
Surface area 2449893748498142616
Volume 2.6091196683953E+26
Space diagonal 1106773181.0308

Equilateral Triangle

Length = n
Perimeter 1916987382
Area 1.7680585189767E+17
Altitude 553386590.51541

Triangular Pyramid

Length = n
Surface area 1.7680585189767E+17
Volume 3.0748770174159E+25
Height 301225506.05805