20129931 is an odd 8-digits composite number following 20129930
and preceding 20129932 . In scientific notation, it is written as 2.0129931 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13267584 positive integers (up to 20129931) that are relatively prime to 20129931.
20129931 has 16 divisors, whose sum is 30160800
The reverse of 20129931 is 13992102
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-nine thousand nine hundred thirty-one
Scientific notation
2.0129931 × 10^7
Engineering notation
2.0129931 × 10^6
Prime Factorization
9 × 3 × 89 × 8377
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20129931
Product of the distinct prime numbers
The prime factorization of 20129931 is 9 × 3 × 89 × 8377.
Since it has a total of 4 prime factors.
8 , 5 , 74 , 93 , 831 , 522 , 3394 , 1291 , 67414 , 11360 , 252040 , 713161 , 234268 , 4699323 , 74120690 , 17001712 , 135754597 , 420376719 , 7073753262 , 8206755202
n×2
40259862
n×3
60389793
n×4
80519724
n×5
100649655
n÷2
10064965.5
n÷3
6709977
n÷3
5032482.75
n÷5
4025986.2
n2
405214122064761
n3
8.1569323173892E+21
n4
1.6419848472072E+29
n5
3.3053041677325E+36
2 √n
4486.6391653441
3 √n
272.02830497685
4 √n
66.9823795139
5 √n
28.891391361456
1 , 3 , 9 , 27 , 89 , 267 , 801 , 2403 , 8377 , 25131 , 75393 , 226179 , 745553 , 2236659 , 6709977 , 20129931
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
-20129930
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 20129931 can be divided by 16 positive divisors.
The sum of these divisors (counting 20129931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010100010001011
3
Ternary
1101212201002000
4
Quaternary
1030302202023
5
Quinary
20123124211
6
Senary
1555242043
8
Octal
114624213
10
Decimal
20129931
12
Duodecimal
68a9323
16
Hexadecimal
133288b
20
Vigesimal
65g4gb
36
Base36
bzgcr
md5
0f062061764e7411dc3186fbf50bb31f
sha1
2ec702149e959d1a461fe153d8131071f8fbfe33
sha256
2272583c0f9e3baf66aad686d37a8554a2f341ab1890e2d5d554887c53689c4f
sha512
8beb972e25ac3dee38d42c05542e1ac471b06a1e0ad6750fe97001f53e0b1fd4faa6762b8b3bfb3f8c84181cff259903d16070e7ac5e34cd6dcab48f311d58a7
ripemd-160
83f2e7313cd7e5de4b07500fa4e8ded9614121e9
Diameter
40259862
Circumference
126480086.69374
Area
1.2730177090095E+15
Volume
3.4167678192186E+22
Surface area
5.092070836038E+15
Circumference
126480086.69374
Perimeter
80519724
Area
405214122064761
Diagonal
28468021.429835
Surface area
2431284732388566
Volume
8.1569323173892E+21
Space diagonal
34866063.244856
Perimeter
60389793
Area
1.7546286184015E+14
Altitude
17433031.622428
Surface area
1.7546286184015E+14
Volume
9.6130369255094E+20
Height
9489340.4766115