638992018 (number)

638992018 is an even 9-digits composite number following 638992017 and preceding 638992019. In scientific notation, it is written as 6.38992018 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 271194336 positive integers (up to 638992018) that are relatively prime to 638992018.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-two thousand eighteen

Notation

Scientific notation 6.38992018 × 10^8
Engineering notation 6.38992018 × 10^6

Prime Factorization of 638992018

Prime Factorization 2 × 7 × 103 × 443129

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638992018
Product of the distinct prime numbers

The prime factorization of 638992018 is 2 × 7 × 103 × 443129. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 23, 6, 126, 216, 4418, 766, 80689, 11528, 122850, 416965, 8667501, 5178534, 70205945, 17809063, 982226494, 541654197, 3516567368, 4123146431

Basic calculations (n = 638992018)

Multiplication

n×y
n×2 1277984036
n×3 1916976054
n×4 2555968072
n×5 3194960090

Division

n÷y
n÷2 319496009
n÷3 212997339.33333
n÷3 159748004.5
n÷5 127798403.6

Exponentiation

ny
n2 408310799067712324
n3 2.6090734146747E+26
n4 1.6671770863531E+35
n5 1.0653128507722E+44

Nth Root

y√n
2√n 25278.291437516
3√n 861.32121508099
4√n 158.99148227976
5√n 57.689807079505

Divisors of 638992018

1, 2, 7, 14, 103, 206, 721, 1442, 443129, 886258, 3101903, 6203806, 45642287, 91284574, 319496009, 638992018

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 -638992017
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 638992018 can be divided by 16 positive divisors. The sum of these divisors (counting 638992018) is 1, the average is 0.0625.

Base conversion 638992018

Base System Value
2 Binary 100110000101100011111010010010
3 Ternary 1122112101011021001
4 Quaternary 212011203322102
5 Quinary 2302040221033
6 Senary 143223452214
8 Octal 4605437222
10 Decimal 638992018
12 Duodecimal 159bb706a
16 Hexadecimal 26163e92
20 Vigesimal 9jde00i
36 Base36 akftea

Cryptographic Hash Functions

md5 52d25de2cba8f5a14b25651c0d0eddf9
sha1 23cb2aa9a65479f08742fb92da900a411c47167a
sha256 9ceb5646f123c0e5bb6cfb9da3219e5c78bfb1bd3d99d591ed7bfeead5696b5d
sha512 5a2e2bb2dcc0f3efdd6d5c1e5c65744cac769c00b6e51331a8ec4b1c1d2dab6078b525285ccf36f396972b5c67c8b9f79c0befc4a8064ca8e83bb50a28ee2f4a
ripemd-160 2e2fb06fd59ccc30dcb52bfcb298f33c672f1cb8

638992018 as geometric shapes

Circle

Radius = n
Diameter 1277984036
Circumference 4014905258.9026
Area 1.2827462067325E+18

Sphere

Radius = n
Volume 1.0928861162958E+27
Surface area 5.13098482693E+18
Circumference 4014905258.9026

Square

Length = n
Perimeter 2555968072
Area 408310799067712324
Diagonal 903671178.10375

Cube

Length = n
Surface area 2449864794406273944
Volume 2.6090734146747E+26
Space diagonal 1106766640.807

Equilateral Triangle

Length = n
Perimeter 1916976054
Area 1.7680376231608E+17
Altitude 553383320.40348

Triangular Pyramid

Length = n
Surface area 1.7680376231608E+17
Volume 3.0748225068834E+25
Height 301223726.03458