20942571 is an odd 8-digits composite number following 20942570
and preceding 20942572 . In scientific notation, it is written as 2.0942571 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12887712 positive integers (up to 20942571) that are relatively prime to 20942571.
20942571 has 8 divisors, whose sum is 30071440
The reverse of 20942571 is 17524902
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred forty-two thousand five hundred seventy-one
Scientific notation
2.0942571 × 10^7
Engineering notation
2.0942571 × 10^6
Prime Factorization
3 × 13 × 536989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20942571
Product of the distinct prime numbers
The prime factorization of 20942571 is 3 × 13 × 536989.
Since it has a total of 3 prime factors.
7 , 8 , 35 , 69 , 913 , 475 , 1233 , 623 , 16663 , 61404 , 829838 , 890267 , 8675153 , 4466677 , 4460832 , 25376648 , 854372705 , 762223180 , 862815368 , 3769372445
n×2
41885142
n×3
62827713
n×4
83770284
n×5
104712855
n÷2
10471285.5
n÷3
6980857
n÷3
5235642.75
n÷5
4188514.2
n2
438591280090041
n3
9.1852290232666E+21
n4
1.9236231097102E+29
n5
4.0285613552347E+36
2 √n
4576.305387537
3 √n
275.64069238765
4 √n
67.648395306444
5 √n
29.120980886429
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
-20942570
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 20942571 can be divided by 8 positive divisors.
The sum of these divisors (counting 20942571) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111000111011101011
3
Ternary
1110101222210210
4
Quaternary
1033320323223
5
Quinary
20330130241
6
Senary
2024512203
8
Octal
117707353
10
Decimal
20942571
12
Duodecimal
701b663
16
Hexadecimal
13f8eeb
20
Vigesimal
6ahg8b
36
Base36
cgve3
md5
0770868d698211d8e7302ebd6507271f
sha1
baafcf55aad86f2f860c481c54d39b800f729201
sha256
c978d3f8e26a778274db3c08694968980443a1870165ce2bc0cec2fc4e0237cc
sha512
09d7dc0780eafecedef57bc3f5b572b2937bd97dd1603c3cec274893f5945f646e3ba8698f362681d75ae93d1cb520cf72cd8e2f6a37b72bf4fb116ca6762aa5
ripemd-160
30d10a60d66311c5865e8d750805cb156454819c
Diameter
41885142
Circumference
131586054.40177
Area
1.3778751434594E+15
Volume
3.8474997361379E+22
Surface area
5.5115005738377E+15
Circumference
131586054.40177
Perimeter
83770284
Area
438591280090041
Diagonal
29617267.939161
Surface area
2631547680540246
Volume
9.1852290232666E+21
Space diagonal
36273597.013119
Perimeter
62827713
Area
1.8991559521816E+14
Altitude
18136798.506559
Surface area
1.8991559521816E+14
Volume
1.0824896215172E+21
Height
9872422.6463872