640930908 (number)

640930908 is an even 9-digits composite number following 640930907 and preceding 640930909. In scientific notation, it is written as 6.40930908 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 209612416 positive integers (up to 640930908) that are relatively prime to 640930908.

Interesting facts

Basic properties

Name

Name six hundred forty million nine hundred thirty thousand nine hundred eight

Notation

Scientific notation 6.40930908 × 10^8
Engineering notation 6.40930908 × 10^6

Prime Factorization of 640930908

Prime Factorization 2 × 2 × 3 × 53 × 1007753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 320465454
Product of the distinct prime numbers

The prime factorization of 640930908 is 2 × 2 × 3 × 53 × 1007753. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 640930908)

Multiplication

n×y
n×2 1281861816
n×3 1922792724
n×4 2563723632
n×5 3204654540

Division

n÷y
n÷2 320465454
n÷3 213643636
n÷3 160232727
n÷5 128186181.6

Exponentiation

ny
n2 410792428829704464
n3 2.6328956440935E+26
n4 1.6875041958381E+35
n5 1.0815735964923E+44

Nth Root

y√n
2√n 25316.613280611
3√n 862.19150286107
4√n 159.1119520357
5√n 57.724774238441

Divisors of 640930908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640930907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640930908 can be divided by 24 positive divisors. The sum of these divisors (counting 640930908) is 1, the average is 0.041666666666667.

Base conversion 640930908

Base System Value
2 Binary 100110001100111101010001011100
3 Ternary 1122200000122220210
4 Quaternary 212030331101130
5 Quinary 2303034242113
6 Senary 143333212420
8 Octal 4614752134
10 Decimal 640930908
12 Duodecimal 15a791110
16 Hexadecimal 2633d45c
20 Vigesimal a05g758
36 Base36 alldgc

Cryptographic Hash Functions

md5 7e4b7762eb51617f2e6d40a6aade27ea
sha1 42b7655f90ca307a11b2e94aa5bf583e73f228ab
sha256 593c09f2c201b6323f4e9cdcdbf34ef54ea395977731fdda5f5696d7756725db
sha512 6d43063eabdd3b99e3db49b09e7ec995c5867d4b960a0ce6fe7f43bc7a66d7b410e2b6ce03626177120468b3c5c0b742ba733f53012e983b00ca3df1cd6d6b37
ripemd-160 6cc859d2440fbc484561ea883b5bfc31bcb396e6

640930908 as geometric shapes

Circle

Radius = n
Diameter 1281861816
Circumference 4027087664.0629
Area 1.2905424765617E+18

Sphere

Radius = n
Volume 1.1028647484204E+27
Surface area 5.1621699062468E+18
Circumference 4027087664.0629

Square

Length = n
Perimeter 2563723632
Area 410792428829704464
Diagonal 906413182.6377

Cube

Length = n
Surface area 2464754572978226784
Volume 2.6328956440935E+26
Space diagonal 1110124896.7973

Equilateral Triangle

Length = n
Perimeter 1922792724
Area 1.7787833952442E+17
Altitude 555062448.39863

Triangular Pyramid

Length = n
Surface area 1.7787833952442E+17
Volume 3.1028972734917E+25
Height 302137727.5459