20402979 (number)

20402979 is an odd 8-digits composite number following 20402978 and preceding 20402980. In scientific notation, it is written as 2.0402979 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12440736 positive integers (up to 20402979) that are relatively prime to 20402979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0402979 × 10^7
Engineering notation 2.0402979 × 10^6

Prime Factorization of 20402979

Prime Factorization 57 × 29 × 12343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402979
Product of the distinct prime numbers

The prime factorization of 20402979 is 57 × 29 × 12343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402979)

Multiplication

n×y
n×2 40805958
n×3 61208937
n×4 81611916
n×5 102014895

Division

n÷y
n÷2 10201489.5
n÷3 6800993
n÷3 5100744.75
n÷5 4080595.8

Exponentiation

ny
n2 416281552074441
n3 8.4933837650622E+21
n4 1.7329033059751E+29
n5 3.535638976084E+36

Nth Root

y√n
2√n 4516.9656850589
3√n 273.25274129373
4√n 67.208375110986
5√n 28.969347711052

Divisors of 20402979

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 -20402978
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 20402979 can be divided by 8 positive divisors. The sum of these divisors (counting 20402979) is 1, the average is 0.125.

Base conversion 20402979

Base System Value
2 Binary 1001101110101001100100011
3 Ternary 1102101120121220
4 Quaternary 1031311030203
5 Quinary 20210343404
6 Senary 2005150123
8 Octal 115651443
10 Decimal 20402979
12 Duodecimal 69bb343
16 Hexadecimal 1375323
20 Vigesimal 67a78j
36 Base36 c5b1f

Cryptographic Hash Functions

md5 3ece62d738b5e9d04fdfa208f2a5b0ff
sha1 f22384ccf5cbead1b71b84e04d3dfee61b0b3396
sha256 476c93cb27900501e7fa3e06869915ef20b51d176bfcb1e2d513b511dd4ade95
sha512 8fecf65a6ee3444e33631308f5ef64001650b5a450246ed5362e25da7acfd5d03f6d21b20e71da7a5906b830c6f6b1e948a3d03f28ce76abe6416d5ecda39c1f
ripemd-160 750fff8c839ac66919e47a105d93c81ee710bfbe

20402979 as geometric shapes

Circle

Radius = n
Diameter 40805958
Circumference 128195697.87549
Area 1.307787065822E+15

Sphere

Radius = n
Volume 3.5577002720584E+22
Surface area 5.2311482632881E+15
Circumference 128195697.87549

Square

Length = n
Perimeter 81611916
Area 416281552074441
Diagonal 28854169.614613

Cube

Length = n
Surface area 2497689312446646
Volume 8.4933837650622E+21
Space diagonal 35338996.253761

Equilateral Triangle

Length = n
Perimeter 61208937
Area 1.8025519961164E+14
Altitude 17669498.12688

Triangular Pyramid

Length = n
Surface area 1.8025519961164E+14
Volume 1.0009548759159E+21
Height 9618056.5382045