640804540 (number)

640804540 is an even 9-digits composite number following 640804539 and preceding 640804541. In scientific notation, it is written as 6.40804540 × 10^8. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 255256320 positive integers (up to 640804540) that are relatively prime to 640804540.

Interesting facts

Basic properties

Name

Name six hundred forty million eight hundred four thousand five hundred forty

Notation

Scientific notation 6.40804540 × 10^8
Engineering notation 6.40804540 × 10^6

Prime Factorization of 640804540

Prime Factorization 2 × 2 × 5 × 241 × 132947

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 320402270
Product of the distinct prime numbers

The prime factorization of 640804540 is 2 × 2 × 5 × 241 × 132947. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 640804540)

Multiplication

n×y
n×2 1281609080
n×3 1922413620
n×4 2563218160
n×5 3204022700

Division

n÷y
n÷2 320402270
n÷3 213601513.33333
n÷3 160201135
n÷5 128160908

Exponentiation

ny
n2 410630458484611600
n3 2.6313386205922E+26
n4 1.6861737343528E+35
n5 1.080507784202E+44

Nth Root

y√n
2√n 25314.117405116
3√n 862.13483498637
4√n 159.10410869967
5√n 57.72249781846

Divisors of 640804540

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 -640804539
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 640804540 can be divided by 24 positive divisors. The sum of these divisors (counting 640804540) is 1, the average is 0.041666666666667.

Base conversion 640804540

Base System Value
2 Binary 100110001100011110011010111100
3 Ternary 1122122210020120111
4 Quaternary 212030132122330
5 Quinary 2303021221130
6 Senary 143330355404
8 Octal 4614363274
10 Decimal 640804540
12 Duodecimal 15a72bb64
16 Hexadecimal 2631e6bc
20 Vigesimal a050b70
36 Base36 aliny4

Cryptographic Hash Functions

md5 3d3862beb6078958f0d9161ee1d74a3c
sha1 927e86759eeb600c3818a45e7ac1fb9002ee0694
sha256 4e18e40668a5824ed890b6a8d321a74931aeb05afae6e53544a5726245fbf465
sha512 f3d50e692e29766427f3ce09afbbb3707281bd1b720ef2f4175df02a5f4a5d301079b161942b5dcf9b74f3948e7baa56398ecc38070d9d99f169ca1f22e20ca0
ripemd-160 710865bcf5a5594c56deb37c892bc1ab98b3d8f8

640804540 as geometric shapes

Circle

Radius = n
Diameter 1281609080
Circumference 4026293670.502
Area 1.2900336317155E+18

Sphere

Radius = n
Volume 1.1022125439413E+27
Surface area 5.1601345268619E+18
Circumference 4026293670.502

Square

Length = n
Perimeter 2563218160
Area 410630458484611600
Diagonal 906234471.29825

Cube

Length = n
Surface area 2463782750907669600
Volume 2.6313386205922E+26
Space diagonal 1109906021.0008

Equilateral Triangle

Length = n
Perimeter 1922413620
Area 1.7780820430766E+17
Altitude 554953010.5004

Triangular Pyramid

Length = n
Surface area 1.7780820430766E+17
Volume 3.101062303698E+25
Height 302078157.09942