20639997 (number)

20639997 is an odd 8-digits composite number following 20639996 and preceding 20639998. In scientific notation, it is written as 2.0639997 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 11794248 positive integers (up to 20639997) that are relatively prime to 20639997.

Interesting facts

Basic properties

Name

Name twenty million six hundred thirty-nine thousand nine hundred ninety-seven

Notation

Scientific notation 2.0639997 × 10^7
Engineering notation 2.0639997 × 10^6

Prime Factorization of 20639997

Prime Factorization 21 × 3 × 327619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20639997
Product of the distinct prime numbers

The prime factorization of 20639997 is 21 × 3 × 327619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20639997)

Multiplication

n×y
n×2 41279994
n×3 61919991
n×4 82559988
n×5 103199985

Division

n÷y
n÷2 10319998.5
n÷3 6879999
n÷3 5159999.25
n÷5 4127999.4

Exponentiation

ny
n2 426009476160009
n3 8.7928343099142E+21
n4 1.8148407377813E+29
n5 3.7458307383283E+36

Nth Root

y√n
2√n 4543.1263464711
3√n 274.30678072478
4√n 67.402717649002
5√n 29.036343533428

Divisors of 20639997

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20639996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20639997 can be divided by 8 positive divisors. The sum of these divisors (counting 20639997) is 1, the average is 0.125.

Base conversion 20639997

Base System Value
2 Binary 1001110101111000011111101
3 Ternary 1102211121202100
4 Quaternary 1032233003331
5 Quinary 20240434442
6 Senary 2014215313
8 Octal 116570375
10 Decimal 20639997
12 Duodecimal 6ab4539
16 Hexadecimal 13af0fd
20 Vigesimal 68jjjh
36 Base36 cadx9

Cryptographic Hash Functions

md5 1c65f028694ffcfb33b2e9b43e3fb326
sha1 7e2cb5e942cdd0f0c2b37fbfb842ef804c554f33
sha256 60134155b1610da091cfd37a0fab846678ba90ae09b37d8b484fdb1bca3375af
sha512 10de7ad2d17a0fe89e76d57e1e5d64da0b7d15c8323eeb15458815c8ef708a758cb5407a5c3a91c1c64871b55d4de385f45843633ce955d24fc2b60eb0ac1fa2
ripemd-160 517b4a0874e41b2ff9846d1041ca4280033a59c4

20639997 as geometric shapes

Circle

Radius = n
Diameter 41279994
Circumference 129684925.89063
Area 1.3383482406639E+15

Sphere

Radius = n
Volume 3.6831338229678E+22
Surface area 5.3533929626557E+15
Circumference 129684925.89063

Square

Length = n
Perimeter 82559988
Area 426009476160009
Diagonal 29189363.68474

Cube

Length = n
Surface area 2556056856960054
Volume 8.7928343099142E+21
Space diagonal 35749523.472069

Equilateral Triangle

Length = n
Perimeter 61919991
Area 1.8446751430373E+14
Altitude 17874761.736035

Triangular Pyramid

Length = n
Surface area 1.8446751430373E+14
Volume 1.036245461065E+21
Height 9729787.8949133