640720908 (number)

640720908 is an even 9-digits composite number following 640720907 and preceding 640720909. In scientific notation, it is written as 6.40720908 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 213573600 positive integers (up to 640720908) that are relatively prime to 640720908.

Interesting facts

Basic properties

Name

Name six hundred forty million seven hundred twenty thousand nine hundred eight

Notation

Scientific notation 6.40720908 × 10^8
Engineering notation 6.40720908 × 10^6

Prime Factorization of 640720908

Prime Factorization 2 × 2 × 27 × 5932601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 320360454
Product of the distinct prime numbers

The prime factorization of 640720908 is 2 × 2 × 27 × 5932601. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 56, 5, 341, 618, 2104, 5322, 6640, 36784, 121469, 975325, 5695109, 1122420, 85144660, 75249241, 442781476, 598410442, 1605631929, 2395165741

Basic calculations (n = 640720908)

Multiplication

n×y
n×2 1281441816
n×3 1922162724
n×4 2562883632
n×5 3203604540

Division

n÷y
n÷2 320360454
n÷3 213573636
n÷3 160180227
n÷5 128144181.6

Exponentiation

ny
n2 410523281948344464
n3 2.6303084996508E+26
n4 1.6852936502164E+35
n5 1.0798028778133E+44

Nth Root

y√n
2√n 25312.465466643
3√n 862.09732734665
4√n 159.09891723907
5√n 57.72099105636

Divisors of 640720908

1, 2, 4, 27, 54, 108, 5932601, 11865202, 23730404, 160180227, 320360454, 640720908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640720907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640720908 can be divided by 12 positive divisors. The sum of these divisors (counting 640720908) is 1, the average is 0.083333333333333.

Base conversion 640720908

Base System Value
2 Binary 100110001100001010000000001100
3 Ternary 1122122121222212000
4 Quaternary 212030022000030
5 Quinary 2303011032113
6 Senary 143324512300
8 Octal 4614120014
10 Decimal 640720908
12 Duodecimal 15a6ab690
16 Hexadecimal 2630a00c
20 Vigesimal a04a258
36 Base36 algvf0

Cryptographic Hash Functions

md5 5ceaba41dfb1823f65b1814367f61082
sha1 7096de2751670f6515c1701dc5f4e905e7c32c20
sha256 0f64be2d0bf3b8a46267c8575b477b59e3cd86a426ff6b008bc0267a820b9925
sha512 239284ccdc6a10dc75c2de4d4c268c88e3d8d3c1edf39e2980da79f9c7199335214466089c7e54d27ee81cf90c8e0a9fe669343f282f8c8c61d03096faecb46b
ripemd-160 a393f180d95b3a735f4cfc9d6ff8752560c8cd81

640720908 as geometric shapes

Circle

Radius = n
Diameter 1281441816
Circumference 4025768195.1484
Area 1.2896969266965E+18

Sphere

Radius = n
Volume 1.1017810478904E+27
Surface area 5.158787706786E+18
Circumference 4025768195.1484

Square

Length = n
Perimeter 2562883632
Area 410523281948344464
Diagonal 906116197.7896

Cube

Length = n
Surface area 2463139691690066784
Volume 2.6303084996508E+26
Space diagonal 1109761166.1277

Equilateral Triangle

Length = n
Perimeter 1922162724
Area 1.7776179550611E+17
Altitude 554880583.06383

Triangular Pyramid

Length = n
Surface area 1.7776179550611E+17
Volume 3.0998482945262E+25
Height 302038732.59653