20956979 (number)

20956979 is an odd 8-digits composite number following 20956978 and preceding 20956980. In scientific notation, it is written as 2.0956979 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 20045784 positive integers (up to 20956979) that are relatively prime to 20956979.

Interesting facts

Basic properties

Name

Name twenty million nine hundred fifty-six thousand nine hundred seventy-nine

Notation

Scientific notation 2.0956979 × 10^7
Engineering notation 2.0956979 × 10^6

Prime Factorization of 20956979

Prime Factorization 23 × 911173

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20956979
Product of the distinct prime numbers

The prime factorization of 20956979 is 23 × 911173. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20956979)

Multiplication

n×y
n×2 41913958
n×3 62870937
n×4 83827916
n×5 104784895

Division

n÷y
n÷2 10478489.5
n÷3 6985659.6666667
n÷3 5239244.75
n÷5 4191395.8

Exponentiation

ny
n2 439194968806441
n3 9.2041997381822E+21
n4 1.9289222062489E+29
n5 4.0424382168992E+36

Nth Root

y√n
2√n 4577.8793125202
3√n 275.70388935127
4√n 67.660027435112
5√n 29.12498669524

Divisors of 20956979

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 -20956978
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 20956979 can be divided by 4 positive divisors. The sum of these divisors (counting 20956979) is 1, the average is 0.25.

Base conversion 20956979

Base System Value
2 Binary 1001111111100011100110011
3 Ternary 1110102201120102
4 Quaternary 1033330130303
5 Quinary 20331110404
6 Senary 2025103015
8 Octal 117743463
10 Decimal 20956979
12 Duodecimal 7027a6b
16 Hexadecimal 13fc733
20 Vigesimal 6ajc8j
36 Base36 ch6ib

Cryptographic Hash Functions

md5 9a754c595e54228962f71bac9b4b8ab8
sha1 2911c11c966d107a2576845d3bcc74bad4c6e41c
sha256 c638657857c9f22617e4f2f2c18c487740a62884f1b6fe4f8ac61985a1ced23c
sha512 9a0e34a819cb6e9272312cc57faa54457358f0932414c697d75c64af0faef33027fa68e3f86dc5d6a2c9fa96c69dd6d74e53e9e3f86be9077156d9c04864b0e7
ripemd-160 79ae2968c627702d1e8c88e3628d14a2d3cd381c

20956979 as geometric shapes

Circle

Radius = n
Diameter 41913958
Circumference 131676582.53567
Area 1.3797716874959E+15

Sphere

Radius = n
Volume 3.8554461706195E+22
Surface area 5.5190867499837E+15
Circumference 131676582.53567

Square

Length = n
Perimeter 83827916
Area 439194968806441
Diagonal 29637643.928168

Cube

Length = n
Surface area 2635169812838646
Volume 9.2041997381822E+21
Space diagonal 36298552.401154

Equilateral Triangle

Length = n
Perimeter 62870937
Area 1.9017700010035E+14
Altitude 18149276.200577

Triangular Pyramid

Length = n
Surface area 1.9017700010035E+14
Volume 1.0847253417107E+21
Height 9879214.6427227