20129757 is an odd 8-digits composite number following 20129756
and preceding 20129758 . In scientific notation, it is written as 2.0129757 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 12921840 positive integers (up to 20129757) that are relatively prime to 20129757.
20129757 has 16 divisors, whose sum is 27844608
The reverse of 20129757 is 75792102
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred twenty-nine thousand seven hundred fifty-seven
Scientific notation
2.0129757 × 10^7
Engineering notation
2.0129757 × 10^6
Prime Factorization
31 × 3 × 263 × 823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20129757
Product of the distinct prime numbers
The prime factorization of 20129757 is 31 × 3 × 263 × 823.
Since it has a total of 4 prime factors.
8 , 8 , 95 , 34 , 439 , 555 , 9710 , 7452 , 15527 , 14129 , 669141 , 541252 , 6769465 , 1172573 , 58913442 , 65801587 , 189318686 , 923040685 , 923595116 , 4082977642
n×2
40259514
n×3
60389271
n×4
80519028
n×5
100648785
n÷2
10064878.5
n÷3
6709919
n÷3
5032439.25
n÷5
4025951.4
n2
405207116879049
n3
8.1567207974459E+21
n4
1.6419280756943E+29
n5
3.3051613175204E+36
2 √n
4486.6197743959
3 √n
272.02752118444
4 √n
66.982234767107
5 √n
28.891341414742
1 , 3 , 31 , 93 , 263 , 789 , 823 , 2469 , 8153 , 24459 , 25513 , 76539 , 216449 , 649347 , 6709919 , 20129757
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
-20129756
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 20129757 can be divided by 16 positive divisors.
The sum of these divisors (counting 20129757) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010011111011101
3
Ternary
1101212200211120
4
Quaternary
1030302133131
5
Quinary
20123123012
6
Senary
1555241153
8
Octal
114623735
10
Decimal
20129757
12
Duodecimal
68a91b9
16
Hexadecimal
13327dd
20
Vigesimal
65g47h
36
Base36
bzg7x
md5
bf7662699d9a498ab68a0330514904e7
sha1
2b360f161397c670679f7be8602e0a359aa9a042
sha256
a349d0738f5462bc4ba15b2302bf286196bbdf83f3d2f402353a86b0f165b1a3
sha512
78d7e7863b9df2208c61a9bd1222c9db6332aaab6aca49010301a3df86d6aa821945c60d4ba8b4fc7fc099737b9a20469336d721216df0ff8e23c06ae6415475
ripemd-160
30a44c1e9d9ffa1e35f053579dad9b257b42d0e4
Diameter
40259514
Circumference
126478993.4195
Area
1.2729957015695E+15
Volume
3.4166792179519E+22
Surface area
5.0919828062781E+15
Circumference
126478993.4195
Perimeter
80519028
Area
405207116879049
Diagonal
28467775.356675
Surface area
2431242701274294
Volume
8.1567207974459E+21
Space diagonal
34865761.868015
Perimeter
60389271
Area
1.7545982850575E+14
Altitude
17432880.934008
Surface area
1.7545982850575E+14
Volume
9.6127876468655E+20
Height
9489258.4522249