20957021 is an odd 8-digits prime number following 20957020
and preceding 20957022 . In scientific notation, it is written as 2.0957021 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 20957020 positive integers (up to 20957021) that are relatively prime to 20957021.
20957021 has 2 divisors, whose sum is 20957022
The reverse of 20957021 is 12075902
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million nine hundred fifty-seven thousand twenty-one
Scientific notation
2.0957021 × 10^7
Engineering notation
2.0957021 × 10^6
Prime Factorization
20957021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20957021
Product of the distinct prime numbers
The prime factorization of 20957021 is 20957021.
Since it has a total of 1 prime factors.
5 , 9 , 75 , 50 , 410 , 85 , 3790 , 5089 , 14982 , 44392 , 78093 , 974229 , 3472435 , 9834391 , 79187810 , 53974090 , 703977051 , 645776978 , 9038095552 , 4807420717
n×2
41914042
n×3
62871063
n×4
83828084
n×5
104785105
n÷2
10478510.5
n÷3
6985673.6666667
n÷3
5239255.25
n÷5
4191404.2
n2
439196729194441
n3
9.2042550768592E+21
n4
1.928937669351E+29
n5
4.0424787244279E+36
2 √n
4577.8838997948
3 √n
275.70407353106
4 √n
67.660061334548
5 √n
29.12499836914
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20957022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10478511
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4577.8840090155
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999045666
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20957021 can be divided by 2 positive divisors.
The sum of these divisors (counting 20957021) is 20957022, the average is 10478511.
Base
System
Value
2
Binary
1001111111100011101011101
3
Ternary
1110102201121222
4
Quaternary
1033330131131
5
Quinary
20331111041
6
Senary
2025103125
8
Octal
117743535
10
Decimal
20957021
12
Duodecimal
7027aa5
16
Hexadecimal
13fc75d
20
Vigesimal
6ajcb1
36
Base36
ch6jh
md5
6730c9054b0226a0a7a1d70fc9750e72
sha1
00cba3156e28b9f7943345c67c5a60cee7ee347d
sha256
0dfbe0ce7580e6c4ae4e3d9fde6627a7c62b67f39ac27a4b884357cbd49684e2
sha512
78030ac0b179aa22c2dbe8fb92340a1298260dff2c9166e01c3dc8df25c3c7eb7240325965e9b343e01ab198ff93b134b7f6d6651db3a85c3aba4c7d8993a71d
ripemd-160
4c8713e5923e41bd8b501d9b2b24100a79ae8724
Diameter
41914042
Circumference
131676846.42945
Area
1.3797772179179E+15
Volume
3.8554693508303E+22
Surface area
5.5191088716717E+15
Circumference
131676846.42945
Perimeter
83828084
Area
439196729194441
Diagonal
29637703.325138
Surface area
2635180375166646
Volume
9.2042550768592E+21
Space diagonal
36298625.147288
Perimeter
62871063
Area
1.9017776237071E+14
Altitude
18149312.573644
Surface area
1.9017776237071E+14
Volume
1.0847318634363E+21
Height
9879234.4417126