640702921 (number)

640702921 is an odd 9-digits composite number following 640702920 and preceding 640702922. In scientific notation, it is written as 6.40702921 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 639910144 positive integers (up to 640702921) that are relatively prime to 640702921.

Interesting facts

Basic properties

Name

Name six hundred forty million seven hundred two thousand nine hundred twenty-one

Notation

Scientific notation 6.40702921 × 10^8
Engineering notation 6.40702921 × 10^6

Prime Factorization of 640702921

Prime Factorization 809 × 791969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 640702921
Product of the distinct prime numbers

The prime factorization of 640702921 is 809 × 791969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 89, 64, 814, 338, 2774, 9694, 42641, 79305, 6890, 674367, 3770758, 2361634, 29074962, 31723707, 511511889, 14466614, 7308500846, 4771395031

Basic calculations (n = 640702921)

Multiplication

n×y
n×2 1281405842
n×3 1922108763
n×4 2562811684
n×5 3203514605

Division

n÷y
n÷2 320351460.5
n÷3 213567640.33333
n÷3 160175730.25
n÷5 128140584.2

Exponentiation

ny
n2 410500232977932241
n3 2.6300869834014E+26
n4 1.6851044127494E+35
n5 1.0796513194385E+44

Nth Root

y√n
2√n 25312.110164899
3√n 862.08926003292
4√n 159.09780062873
5√n 57.720666971689

Divisors of 640702921

1, 809, 791969, 640702921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640702920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640702921 can be divided by 4 positive divisors. The sum of these divisors (counting 640702921) is 1, the average is 0.25.

Base conversion 640702921

Base System Value
2 Binary 100110001100000101100111001001
3 Ternary 1122122121002011211
4 Quaternary 212030011213021
5 Quinary 2303004443141
6 Senary 143324253121
8 Octal 4614054711
10 Decimal 640702921
12 Duodecimal 15a6a11a1
16 Hexadecimal 263059c9
20 Vigesimal a047h61
36 Base36 alghjd

Cryptographic Hash Functions

md5 b4a61ff2a52a75aee6f39adeb6385b9a
sha1 cb0a275ef425a41ff884c4c78bf9dde3ed6f0447
sha256 882f40978fe76efbc1730f859019a10517fc11dfe59027f234e38477457fc8a0
sha512 594cd5e6693cfba2db56778116af3ae7034e24570a407011b66b54bce8e7f5f508c9a282ce61ba34b811955cb0189b292287bfc1e49301c9b7d7c51b29a96c51
ripemd-160 92e9b268f32e879105edc2c54b6f864a81aa42a5

640702921 as geometric shapes

Circle

Radius = n
Diameter 1281405842
Circumference 4025655179.4942
Area 1.2896245162204E+18

Sphere

Radius = n
Volume 1.1016882593808E+27
Surface area 5.1584980648815E+18
Circumference 4025655179.4942

Square

Length = n
Perimeter 2562811684
Area 410500232977932241
Diagonal 906090760.33026

Cube

Length = n
Surface area 2463001397867593446
Volume 2.6300869834014E+26
Space diagonal 1109730011.7298

Equilateral Triangle

Length = n
Perimeter 1922108763
Area 1.7775181500916E+17
Altitude 554865005.86489

Triangular Pyramid

Length = n
Surface area 1.7775181500916E+17
Volume 3.0995872351227E+25
Height 302030253.44342