20972918 (number)

20972918 is an even 8-digits composite number following 20972917 and preceding 20972919. In scientific notation, it is written as 2.0972918 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10030504 positive integers (up to 20972918) that are relatively prime to 20972918.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-two thousand nine hundred eighteen

Notation

Scientific notation 2.0972918 × 10^7
Engineering notation 2.0972918 × 10^6

Prime Factorization of 20972918

Prime Factorization 2 × 23 × 455933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20972918
Product of the distinct prime numbers

The prime factorization of 20972918 is 2 × 23 × 455933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20972918)

Multiplication

n×y
n×2 41945836
n×3 62918754
n×4 83891672
n×5 104864590

Division

n÷y
n÷2 10486459
n÷3 6990972.6666667
n÷3 5243229.5
n÷5 4194583.6

Exponentiation

ny
n2 439863289434724
n3 9.2252167005247E+21
n4 1.9347971339234E+29
n5 4.057834163641E+36

Nth Root

y√n
2√n 4579.6198532193
3√n 275.77376791354
4√n 67.672888612939
5√n 29.129415596942

Divisors of 20972918

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 -20972917
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 20972918 can be divided by 8 positive divisors. The sum of these divisors (counting 20972918) is 1, the average is 0.125.

Base conversion 20972918

Base System Value
2 Binary 1010000000000010101110110
3 Ternary 1110110112102202
4 Quaternary 1100000111312
5 Quinary 20332113133
6 Senary 2025304502
8 Octal 120002566
10 Decimal 20972918
12 Duodecimal 7035132
16 Hexadecimal 1400576
20 Vigesimal 6b1c5i
36 Base36 chit2

Cryptographic Hash Functions

md5 badbb042bb1bfcf62fb7adcde966b5fe
sha1 134ee228306acf4d6049f111bb35014a45adab4e
sha256 2a58268d10bdb4fde9af1eeec32e6c41007d2c99453135755e8f49c3e4aeee30
sha512 9b8d9a93d58ed4806aa6bffcd3a3d36f50bf321a4ae98ea6eb8c03f784500a6cc5ac6c8088956a0b2a4e77116e2cb3aa6c478b4e9f59b686e76a6c1cbd40a98f
ripemd-160 cf5f5499767a83f465d41062c589edb0b27a1025

20972918 as geometric shapes

Circle

Radius = n
Diameter 41945836
Circumference 131776730.22628
Area 1.381871278672E+15

Sphere

Radius = n
Volume 3.864249735219E+22
Surface area 5.5274851146879E+15
Circumference 131776730.22628

Square

Length = n
Perimeter 83891672
Area 439863289434724
Diagonal 29660185.078139

Cube

Length = n
Surface area 2639179736608344
Volume 9.2252167005247E+21
Space diagonal 36326159.558976

Equilateral Triangle

Length = n
Perimeter 62918754
Area 1.9046639142133E+14
Altitude 18163079.779488

Triangular Pyramid

Length = n
Surface area 1.9046639142133E+14
Volume 1.0872022144761E+21
Height 9886728.3593796