20797979 (number)

20797979 is an odd 8-digits composite number following 20797978 and preceding 20797980. In scientific notation, it is written as 2.0797979 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 20787984 positive integers (up to 20797979) that are relatively prime to 20797979.

Interesting facts

Basic properties

Name

Name twenty million seven hundred ninety-seven thousand nine hundred seventy-nine

Notation

Scientific notation 2.0797979 × 10^7
Engineering notation 2.0797979 × 10^6

Prime Factorization of 20797979

Prime Factorization 7043 × 2953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20797979
Product of the distinct prime numbers

The prime factorization of 20797979 is 7043 × 2953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20797979)

Multiplication

n×y
n×2 41595958
n×3 62393937
n×4 83191916
n×5 103989895

Division

n÷y
n÷2 10398989.5
n÷3 6932659.6666667
n÷3 5199494.75
n÷5 4159595.8

Exponentiation

ny
n2 432555930484441
n3 8.9962891585409E+21
n4 1.8710463299726E+29
n5 3.8913982278797E+36

Nth Root

y√n
2√n 4560.4801282321
3√n 275.0048660296
4√n 67.531327013706
5√n 29.080657873596

Divisors of 20797979

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 -20797978
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 20797979 can be divided by 4 positive divisors. The sum of these divisors (counting 20797979) is 1, the average is 0.25.

Base conversion 20797979

Base System Value
2 Binary 1001111010101101000011011
3 Ternary 1110010122110112
4 Quaternary 1033111220123
5 Quinary 20311013404
6 Senary 2021434535
8 Octal 117255033
10 Decimal 20797979
12 Duodecimal 6b6ba4b
16 Hexadecimal 13d5a1b
20 Vigesimal 69jeij
36 Base36 cdrtn

Cryptographic Hash Functions

md5 afd977a9dfcd95fa7e2ebd45f8c08b22
sha1 572aeb9c44eeb0949b7ae274fefcfddfc64e3473
sha256 15ea1300f16bd9360ad6a891b92ff2a406dbff4c3109298126ed58d943c8cd69
sha512 f551ab8944dd20bb96bdebbca7656326ab76bfb8458937be0dccdd348dc1491f56fc1502e1b29542275780715dd3669da5ab7d946e5d92133caf694a17806683
ripemd-160 a702dc4139d8fdabc7cfef3aec1d46c673cfa4b1

20797979 as geometric shapes

Circle

Radius = n
Diameter 41595958
Circumference 130677556.07183
Area 1.3589145334766E+15

Sphere

Radius = n
Volume 3.7683567906722E+22
Surface area 5.4356581339065E+15
Circumference 130677556.07183

Square

Length = n
Perimeter 83191916
Area 432555930484441
Diagonal 29412783.971751

Cube

Length = n
Surface area 2595335582906646
Volume 8.9962891585409E+21
Space diagonal 36023156.322751

Equilateral Triangle

Length = n
Perimeter 62393937
Area 1.8730221217857E+14
Altitude 18011578.161375

Triangular Pyramid

Length = n
Surface area 1.8730221217857E+14
Volume 1.0602228449199E+21
Height 9804261.3239169