20921131 (number)

20921131 is an odd 8-digits composite number following 20921130 and preceding 20921132. In scientific notation, it is written as 2.0921131 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 16302120 positive integers (up to 20921131) that are relatively prime to 20921131.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand one hundred thirty-one

Notation

Scientific notation 2.0921131 × 10^7
Engineering notation 2.0921131 × 10^6

Prime Factorization of 20921131

Prime Factorization 77 × 271703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921131
Product of the distinct prime numbers

The prime factorization of 20921131 is 77 × 271703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921131)

Multiplication

n×y
n×2 41842262
n×3 62763393
n×4 83684524
n×5 104605655

Division

n÷y
n÷2 10460565.5
n÷3 6973710.3333333
n÷3 5230282.75
n÷5 4184226.2

Exponentiation

ny
n2 437693722319161
n3 9.1570477025168E+21
n4 1.915757945576E+29
n5 4.0079822943687E+36

Nth Root

y√n
2√n 4573.9622866832
3√n 275.5465976958
4√n 67.631074859736
5√n 29.115015910489

Divisors of 20921131

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 -20921130
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 20921131 can be divided by 4 positive divisors. The sum of these divisors (counting 20921131) is 1, the average is 0.25.

Base conversion 20921131

Base System Value
2 Binary 1001111110011101100101011
3 Ternary 1110100220101201
4 Quaternary 1033303230223
5 Quinary 20323434011
6 Senary 2024225031
8 Octal 117635453
10 Decimal 20921131
12 Duodecimal 700b177
16 Hexadecimal 13f3b2b
20 Vigesimal 6af2gb
36 Base36 cgeuj

Cryptographic Hash Functions

md5 3c88c3886130c8c04fb4d3aa870c62b1
sha1 6283aeab9193cd961717409bdf3c746013543268
sha256 464b1032b30911269137e0f2c83930229e1ef44477f9035d8619dc1920d86947
sha512 b2362207923a4193970811b0a16c53e7d490500f77510c5d682f40c893d314736c80a70cf79c8e5ca631d61536e99aa7690c9055ee7734290fb7e374d12fcd6a
ripemd-160 ef7e42694722243baf86c2609fd72adec7775fc6

20921131 as geometric shapes

Circle

Radius = n
Diameter 41842262
Circumference 131451342.90878
Area 1.3750553825602E+15

Sphere

Radius = n
Volume 3.8356951721064E+22
Surface area 5.500221530241E+15
Circumference 131451342.90878

Square

Length = n
Perimeter 83684524
Area 437693722319161
Diagonal 29586947.200384

Cube

Length = n
Surface area 2626162333914966
Volume 9.1570477025168E+21
Space diagonal 36236461.843804

Equilateral Triangle

Length = n
Perimeter 62763393
Area 1.8952694130268E+14
Altitude 18118230.921902

Triangular Pyramid

Length = n
Surface area 1.8952694130268E+14
Volume 1.0791684210164E+21
Height 9862315.7334614