638996956 (number)

638996956 is an even 9-digits composite number following 638996955 and preceding 638996957. In scientific notation, it is written as 6.38996956 × 10^8. The sum of its digits is 61. It has a total of 6 prime factors and 48 positive divisors. There are 282610944 positive integers (up to 638996956) that are relatively prime to 638996956.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38996956 × 10^8
Engineering notation 6.38996956 × 10^6

Prime Factorization of 638996956

Prime Factorization 2 × 2 × 13 × 67 × 37 × 4957

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319498478
Product of the distinct prime numbers

The prime factorization of 638996956 is 2 × 2 × 13 × 67 × 37 × 4957. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638996956)

Multiplication

n×y
n×2 1277993912
n×3 1916990868
n×4 2555987824
n×5 3194984780

Division

n÷y
n÷2 319498478
n÷3 212998985.33333
n÷3 159749239
n÷5 127799391.2

Exponentiation

ny
n2 408317109777265936
n3 2.6091339023039E+26
n4 1.6672286213686E+35
n5 1.0653540140106E+44

Nth Root

y√n
2√n 25278.389110068
3√n 861.32343378017
4√n 158.99178944231
5√n 57.689896242242

Divisors of 638996956

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 -638996955
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 638996956 can be divided by 48 positive divisors. The sum of these divisors (counting 638996956) is 1, the average is 0.020833333333333.

Base conversion 638996956

Base System Value
2 Binary 100110000101100101000111011100
3 Ternary 1122112101102000221
4 Quaternary 212011211013130
5 Quinary 2302040400311
6 Senary 143223531124
8 Octal 4605450734
10 Decimal 638996956
12 Duodecimal 159bb9aa4
16 Hexadecimal 261651dc
20 Vigesimal 9jdec7g
36 Base36 akfx7g

Cryptographic Hash Functions

md5 ac78083f2cb0f074a34ac59afdbc9396
sha1 557d5e47d7c19528d3b7bc5ae12dc44fdd490e51
sha256 64dd962255c7ca363ee4058eb284fa89e7583967563ef4d414e638311e2ec32e
sha512 656d7afef89522a9af770b000537189c09e52795ca49787fda0a087d87901780d358c1fd7b75b478893b105c2f8466d15702f8b105f58aaadfb7c3c90d377ba3
ripemd-160 f74a4f966d9cc7d3b880ed5e5208905ae3991ff8

638996956 as geometric shapes

Circle

Radius = n
Diameter 1277993912
Circumference 4014936285.2717
Area 1.2827660324113E+18

Sphere

Radius = n
Volume 1.0929114532947E+27
Surface area 5.1310641296451E+18
Circumference 4014936285.2717

Square

Length = n
Perimeter 2555987824
Area 408317109777265936
Diagonal 903678161.49032

Cube

Length = n
Surface area 2449902658663595616
Volume 2.6091339023039E+26
Space diagonal 1106775193.6739

Equilateral Triangle

Length = n
Perimeter 1916990868
Area 1.7680649493348E+17
Altitude 553387596.83693

Triangular Pyramid

Length = n
Surface area 1.7680649493348E+17
Volume 3.074893792238E+25
Height 301226053.83011