639420938 (number)

639420938 is an even 9-digits composite number following 639420937 and preceding 639420939. In scientific notation, it is written as 6.39420938 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 289548480 positive integers (up to 639420938) that are relatively prime to 639420938.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million four hundred twenty thousand nine hundred thirty-eight

Notation

Scientific notation 6.39420938 × 10^8
Engineering notation 6.39420938 × 10^6

Prime Factorization of 639420938

Prime Factorization 2 × 13 × 53 × 464021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 639420938
Product of the distinct prime numbers

The prime factorization of 639420938 is 2 × 13 × 53 × 464021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 85, 49, 806, 666, 1597, 8667, 84513, 66089, 918245, 464948, 8586391, 3464084, 51299242, 87462295, 412796042, 959134005, 9400261948, 6707605913

Basic calculations (n = 639420938)

Multiplication

n×y
n×2 1278841876
n×3 1918262814
n×4 2557683752
n×5 3197104690

Division

n÷y
n÷2 319710469
n÷3 213140312.66667
n÷3 159855234.5
n÷5 127884187.6

Exponentiation

ny
n2 408859135952799844
n3 2.6143309222081E+26
n4 1.6716579305207E+35
n5 1.0688930819487E+44

Nth Root

y√n
2√n 25286.773973759
3√n 861.51389107428
4√n 159.01815611357
5√n 57.697549796232

Divisors of 639420938

1, 2, 13, 26, 53, 106, 689, 1378, 464021, 928042, 6032273, 12064546, 24593113, 49186226, 319710469, 639420938

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 -639420937
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 639420938 can be divided by 16 positive divisors. The sum of these divisors (counting 639420938) is 1, the average is 0.0625.

Base conversion 639420938

Base System Value
2 Binary 100110000111001100101000001010
3 Ternary 1122120011221121222
4 Quaternary 212013030220022
5 Quinary 2302142432223
6 Senary 143241002042
8 Octal 4607145012
10 Decimal 639420938
12 Duodecimal 15a183322
16 Hexadecimal 261cca0a
20 Vigesimal 9jg7c6i
36 Base36 akp0cq

Cryptographic Hash Functions

md5 fc56845b9c1fe4699a6a219d63dda3f1
sha1 dec949995a9a335bd5bc5c42b1469350bef06768
sha256 afd6a64cbe66e9afa5f4d81bc3be45b4fba17924710c3028fc97422de8360d61
sha512 51f5de444dc03b320fa3009305b229752d0402060fba1d3c6725c0c595f784954ff597c58f72a810d675f18bb1130f71e5adb76572ba97626a6be6a0ba7accdd
ripemd-160 822354ce0f5c218dcc2606cf747d880d92dbc9a4

639420938 as geometric shapes

Circle

Radius = n
Diameter 1278841876
Circumference 4017600242.7446
Area 1.2844688578624E+18

Sphere

Radius = n
Volume 1.0950883759015E+27
Surface area 5.1378754314495E+18
Circumference 4017600242.7446

Square

Length = n
Perimeter 2557683752
Area 408859135952799844
Diagonal 904277762.58493

Cube

Length = n
Surface area 2453154815716799064
Volume 2.6143309222081E+26
Space diagonal 1107509552.0393

Equilateral Triangle

Length = n
Perimeter 1918262814
Area 1.7704119915224E+17
Altitude 553754776.01967

Triangular Pyramid

Length = n
Surface area 1.7704119915224E+17
Volume 3.0810185389317E+25
Height 301425920.86164