20931429 is an odd 8-digits composite number following 20931428
and preceding 20931430 . In scientific notation, it is written as 2.0931429 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13881600 positive integers (up to 20931429) that are relatively prime to 20931429.
20931429 has 8 divisors, whose sum is 28053952
The reverse of 20931429 is 92413902
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred thirty-one thousand four hundred twenty-nine
Scientific notation
2.0931429 × 10^7
Engineering notation
2.0931429 × 10^6
Prime Factorization
3 × 193 × 36151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20931429
Product of the distinct prime numbers
The prime factorization of 20931429 is 3 × 193 × 36151.
Since it has a total of 3 prime factors.
6 , 2 , 98 , 61 , 918 , 927 , 4664 , 7390 , 61758 , 71382 , 414100 , 693872 , 1524886 , 9009123 , 30866208 , 13965266 , 406847933 , 968446097 , 2177116092 , 9918056178
n×2
41862858
n×3
62794287
n×4
83725716
n×5
104657145
n÷2
10465714.5
n÷3
6977143
n÷3
5232857.25
n÷5
4186285.8
n2
438124719982041
n3
9.170576469449E+21
n4
1.9195327025934E+29
n5
4.0178562477512E+36
2 √n
4575.0878680087
3 √n
275.59180101058
4 √n
67.639395828235
5 √n
29.117881600856
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
-20931428
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 20931429 can be divided by 8 positive divisors.
The sum of these divisors (counting 20931429) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110110001101100101
3
Ternary
1110101102112010
4
Quaternary
1033312031211
5
Quinary
20324301204
6
Senary
2024344433
8
Octal
117661545
10
Decimal
20931429
12
Duodecimal
7015119
16
Hexadecimal
13f6365
20
Vigesimal
6ag8b9
36
Base36
cgmsl
md5
bce2de9c99b1979bfa5c0a0c9d3e28e4
sha1
665dc984fff94eb0c26af07c13a8fad09795aaf4
sha256
743a28810220b3318f6d6802a6d2ec70cb99bd240cdb6f8672adc576407f45f1
sha512
13f4eb8d02f6321d1a18c93b4fb60c22178984940b96f6c84dcd1d467a1f29c9e02123e1b0471c7d6716fd282d0063d946dd69c90782f248a4afc21bcddc593a
ripemd-160
3c62fee26f6322576dbf79c82acb1d577ec19518
Diameter
41862858
Circumference
131516047.15107
Area
1.3764094016517E+15
Volume
3.8413620887472E+22
Surface area
5.5056376066067E+15
Circumference
131516047.15107
Perimeter
83725716
Area
438124719982041
Diagonal
29601510.77165
Surface area
2628748319892246
Volume
9.170576469449E+21
Space diagonal
36254298.503021
Perimeter
62794287
Area
1.897135687652E+14
Altitude
18127149.25151
Surface area
1.897135687652E+14
Volume
1.0807628014895E+21
Height
9867170.2572165