20921595 is an odd 8-digits composite number following 20921594
and preceding 20921596 . In scientific notation, it is written as 2.0921595 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11128320 positive integers (up to 20921595) that are relatively prime to 20921595.
20921595 has 16 divisors, whose sum is 33564192
The reverse of 20921595 is 59512902
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred twenty-one thousand five hundred ninety-five
Scientific notation
2.0921595 × 10^7
Engineering notation
2.0921595 × 10^6
Prime Factorization
5 × 3 × 421 × 3313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921595
Product of the distinct prime numbers
The prime factorization of 20921595 is 5 × 3 × 421 × 3313.
Since it has a total of 4 prime factors.
1 , 10 , 35 , 100 , 518 , 789 , 5697 , 9085 , 98047 , 46313 , 105086 , 176494 , 7810857 , 8898034 , 80768326 , 84080268 , 661709372 , 753171984 , 2200222218 , 6919163133
n×2
41843190
n×3
62764785
n×4
83686380
n×5
104607975
n÷2
10460797.5
n÷3
6973865
n÷3
5230398.75
n÷5
4184319
n2
437713137344025
n3
9.1576569856911E+21
n4
1.9159279060355E+29
n5
4.0084267699273E+36
2 √n
4574.0130082893
3 √n
275.54863475387
4 √n
67.631449846128
5 √n
29.115145055013
1 , 3 , 5 , 15 , 421 , 1263 , 2105 , 3313 , 6315 , 9939 , 16565 , 49695 , 1394773 , 4184319 , 6973865 , 20921595
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921594
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921595 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921595) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011110011111011
3
Ternary
1110100221000220
4
Quaternary
1033303303323
5
Quinary
20323442340
6
Senary
2024231123
8
Octal
117636373
10
Decimal
20921595
12
Duodecimal
700b4a3
16
Hexadecimal
13f3cfb
20
Vigesimal
6af3jf
36
Base36
cgf7f
md5
d451282fb03c471293fd61315c147dff
sha1
d9714f89e2d76144c6c8835b3eb4fb4513d85649
sha256
040157923ed4d8f57c84a86d0c3b97d02a9701bf47cf337f8925d2317f540fc2
sha512
16e71a91538e8f456b3616ec4382d045e5d76eebda25dd7283fecc9bf8d82b6df4c04015e21918e983a2f6809a973063f350f1f5708e3eefb15aa4bc7844f845
ripemd-160
5395531ffa4b67addc1b566ff09d0c4ce8354546
Diameter
41843190
Circumference
131454258.30676
Area
1.3751163766597E+15
Volume
3.8359503880456E+22
Surface area
5.5004655066389E+15
Circumference
131454258.30676
Perimeter
83686380
Area
437713137344025
Diagonal
29587603.395477
Surface area
2626278824064150
Volume
9.1576569856911E+21
Space diagonal
36237265.515379
Perimeter
62764785
Area
1.8953534825506E+14
Altitude
18118632.757689
Surface area
1.8953534825506E+14
Volume
1.0792402257271E+21
Height
9862534.465159