638996965 (number)

638996965 is an odd 9-digits composite number following 638996964 and preceding 638996966. In scientific notation, it is written as 6.38996965 × 10^8. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 511197568 positive integers (up to 638996965) that are relatively prime to 638996965.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38996965 × 10^8
Engineering notation 6.38996965 × 10^6

Prime Factorization of 638996965

Prime Factorization 5 × 127799393

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638996965
Product of the distinct prime numbers

The prime factorization of 638996965 is 5 × 127799393. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 37, 48, 545, 976, 5903, 4386, 9504, 43178, 227146, 765427, 5957829, 8867937, 50515509, 10690038, 585422927, 898956380, 7156069875, 4880760216

Basic calculations (n = 638996965)

Multiplication

n×y
n×2 1277993930
n×3 1916990895
n×4 2555987860
n×5 3194984825

Division

n÷y
n÷2 319498482.5
n÷3 212998988.33333
n÷3 159749241.25
n÷5 127799393

Exponentiation

ny
n2 408317121279211225
n3 2.6091340125495E+26
n4 1.6672287152974E+35
n5 1.0653540890359E+44

Nth Root

y√n
2√n 25278.389288086
3√n 861.32343782397
4√n 158.99179000214
5√n 57.68989640475

Divisors of 638996965

1, 5, 127799393, 638996965

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638996964
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638996965 can be divided by 4 positive divisors. The sum of these divisors (counting 638996965) is 1, the average is 0.25.

Base conversion 638996965

Base System Value
2 Binary 100110000101100101000111100101
3 Ternary 1122112101102001021
4 Quaternary 212011211013211
5 Quinary 2302040400330
6 Senary 143223531141
8 Octal 4605450745
10 Decimal 638996965
12 Duodecimal 159bb9ab1
16 Hexadecimal 261651e5
20 Vigesimal 9jdec85
36 Base36 akfx7p

Cryptographic Hash Functions

md5 a4e0aa333986187ced3d02b663ed3f38
sha1 7a66e045eba42764adf075ce533201e0e9bf4ffb
sha256 afe4d3055fb80857d0461a56df296500b516a12d6d8e84c79631b7f9af68bccf
sha512 b1a385edb9f1cb00291426e4dba5aaefa8d3fd36fa55826bc24a7cfec4cab1cadf716828f6cbc5adb4f32f7362a3c5435a9e61c50a0e3b5d8c634d62c53aee02
ripemd-160 26d946283915e4515c077ba1b226d578f17a7b4a

638996965 as geometric shapes

Circle

Radius = n
Diameter 1277993930
Circumference 4014936341.8203
Area 1.2827660685457E+18

Sphere

Radius = n
Volume 1.0929114994742E+27
Surface area 5.1310642741828E+18
Circumference 4014936341.8203

Square

Length = n
Perimeter 2555987860
Area 408317121279211225
Diagonal 903678174.21825

Cube

Length = n
Surface area 2449902727675267350
Volume 2.6091340125495E+26
Space diagonal 1106775209.2623

Equilateral Triangle

Length = n
Perimeter 1916990895
Area 1.7680649991396E+17
Altitude 553387604.63116

Triangular Pyramid

Length = n
Surface area 1.7680649991396E+17
Volume 3.0748939221637E+25
Height 301226058.07275