640553668 (number)

640553668 is an even 9-digits composite number following 640553667 and preceding 640553669. In scientific notation, it is written as 6.40553668 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors. There are 320276832 positive integers (up to 640553668) that are relatively prime to 640553668.

Interesting facts

Basic properties

Name

Name six hundred forty million five hundred fifty-three thousand six hundred sixty-eight

Notation

Scientific notation 6.40553668 × 10^8
Engineering notation 6.40553668 × 10^6

Prime Factorization of 640553668

Prime Factorization 2 × 2 × 160138417

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 320276834
Product of the distinct prime numbers

The prime factorization of 640553668 is 2 × 2 × 160138417. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 98, 26, 26, 748, 314, 1469, 52496, 55227, 616768, 531193, 7485611, 974273, 99590612, 50836017, 938065648, 508959217, 6183830863, 954236151

Basic calculations (n = 640553668)

Multiplication

n×y
n×2 1281107336
n×3 1921661004
n×4 2562214672
n×5 3202768340

Division

n÷y
n÷2 320276834
n÷3 213517889.33333
n÷3 160138417
n÷5 128110733.6

Exponentiation

ny
n2 410309001588254224
n3 2.6282493598077E+26
n4 1.6835347678435E+35
n5 1.0783943707477E+44

Nth Root

y√n
2√n 25309.161740366
3√n 862.02231304045
4√n 159.08853428317
5√n 57.717977492591

Divisors of 640553668

1, 2, 4, 160138417, 320276834, 640553668

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640553667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640553668 can be divided by 6 positive divisors. The sum of these divisors (counting 640553668) is 1, the average is 0.16666666666667.

Base conversion 640553668

Base System Value
2 Binary 100110001011100001001011000100
3 Ternary 1122122022111102221
4 Quaternary 212023201023010
5 Quinary 2302440204133
6 Senary 143321142124
8 Octal 4613411304
10 Decimal 640553668
12 Duodecimal 15a62a944
16 Hexadecimal 262e12c4
20 Vigesimal a039438
36 Base36 aldadg

Cryptographic Hash Functions

md5 59741e81edad4a0acfb28a7d2c059753
sha1 3622a67d6b3f4f59b512d1657f079d0b1adf05ad
sha256 ee44ff6c858a35ef3e554c34de295c66498e292fe61ab0f18cd796fd21d9070e
sha512 82018edf3cd5f3790305e0088e9b808a1ca1504fe07a31b0a73d5a6becaa1eed455fbe029d97c884bad637d8b2b7697f5d8e18861eb9e33bd94499fc1f836bae
ripemd-160 eeecb6f5ba3486a11e3733097c1f252b6e408649

640553668 as geometric shapes

Circle

Radius = n
Diameter 1281107336
Circumference 4024717395.2376
Area 1.2890237450914E+18

Sphere

Radius = n
Volume 1.1009185174099E+27
Surface area 5.1560949803657E+18
Circumference 4024717395.2376

Square

Length = n
Perimeter 2562214672
Area 410309001588254224
Diagonal 905879684.71343

Cube

Length = n
Surface area 2461854009529525344
Volume 2.6282493598077E+26
Space diagonal 1109471497.9506

Equilateral Triangle

Length = n
Perimeter 1921661004
Area 1.7766900938843E+17
Altitude 554735748.9753

Triangular Pyramid

Length = n
Surface area 1.7766900938843E+17
Volume 3.0974215749488E+25
Height 301959894.90448