20692981 (number)

20692981 is an odd 8-digits composite number following 20692980 and preceding 20692982. In scientific notation, it is written as 2.0692981 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 20370000 positive integers (up to 20692981) that are relatively prime to 20692981.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-two thousand nine hundred eighty-one

Notation

Scientific notation 2.0692981 × 10^7
Engineering notation 2.0692981 × 10^6

Prime Factorization of 20692981

Prime Factorization 101 × 211 × 971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20692981
Product of the distinct prime numbers

The prime factorization of 20692981 is 101 × 211 × 971. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20692981)

Multiplication

n×y
n×2 41385962
n×3 62078943
n×4 82771924
n×5 103464905

Division

n÷y
n÷2 10346490.5
n÷3 6897660.3333333
n÷3 5173245.25
n÷5 4138596.2

Exponentiation

ny
n2 428199462666361
n3 8.8607233451652E+21
n4 1.8335477982776E+29
n5 3.794156975235E+36

Nth Root

y√n
2√n 4548.9538357737
3√n 274.54130032867
4√n 67.445932685179
5√n 29.051235825598

Divisors of 20692981

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 -20692980
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 20692981 can be divided by 8 positive divisors. The sum of these divisors (counting 20692981) is 1, the average is 0.125.

Base conversion 20692981

Base System Value
2 Binary 1001110111011111111110101
3 Ternary 1102221022102201
4 Quaternary 1032323333311
5 Quinary 20244133411
6 Senary 2015304501
8 Octal 116737765
10 Decimal 20692981
12 Duodecimal 6b1b131
16 Hexadecimal 13bbff5
20 Vigesimal 696c91
36 Base36 cbit1

Cryptographic Hash Functions

md5 6dcfcd5117fd6410854c071163a98c79
sha1 728a90048a6fa2601b64ff335e9fd3fbf6966b62
sha256 f768ec26171a43c1d3f05968e6c0b2a071444317ee9717340016fbeda781056b
sha512 ed8236c5a69486fab5be1475586f1e068c1469c5da099985ca99c341d014daea13845dc0c39720fc9f8cce0b4dde3eef3c74fe6092cf20ca5f8a8a06d3d5d8cc
ripemd-160 a4a0bfb005f0f1e25689a823e23ce06189280582

20692981 as geometric shapes

Circle

Radius = n
Diameter 41385962
Circumference 130017834.18095
Area 1.3452282861837E+15

Sphere

Radius = n
Volume 3.711571115555E+22
Surface area 5.3809131447349E+15
Circumference 130017834.18095

Square

Length = n
Perimeter 82771924
Area 428199462666361
Diagonal 29264294.376129

Cube

Length = n
Surface area 2569196775998166
Volume 8.8607233451652E+21
Space diagonal 35841294.452057

Equilateral Triangle

Length = n
Perimeter 62078943
Area 1.8541580627796E+14
Altitude 17920647.226029

Triangular Pyramid

Length = n
Surface area 1.8541580627796E+14
Volume 1.0442462605974E+21
Height 9754764.7920429