20129511 is an odd 8-digits composite number following 20129510
and preceding 20129512 . In scientific notation, it is written as 2.0129511 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13419672 positive integers (up to 20129511) that are relatively prime to 20129511.
20129511 has 4 divisors, whose sum is 26839352
The reverse of 20129511 is 11592102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-nine thousand five hundred eleven
Scientific notation
2.0129511 × 10^7
Engineering notation
2.0129511 × 10^6
Prime Factorization
3 × 6709837
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20129511
Product of the distinct prime numbers
The prime factorization of 20129511 is 3 × 6709837.
Since it has a total of 2 prime factors.
6 , 4 , 72 , 75 , 107 , 442 , 7944 , 1891 , 41231 , 44060 , 288811 , 27698 , 3511779 , 9996538 , 86831419 , 27484423 , 964345983 , 420767512 , 456408926 , 6429413748
n×2
40259022
n×3
60388533
n×4
80518044
n×5
100647555
n÷2
10064755.5
n÷3
6709837
n÷3
5032377.75
n÷5
4025902.2
n2
405197213099121
n3
8.1564217582481E+21
n4
1.6418478150329E+29
n5
3.3049593653032E+36
2 √n
4486.5923594639
3 √n
272.02641305642
4 √n
66.982030123488
5 √n
28.891270799834
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129510
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129511 can be divided by 4 positive divisors.
The sum of these divisors (counting 20129511) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010011011100111
3
Ternary
1101212200111110
4
Quaternary
1030302123213
5
Quinary
20123121021
6
Senary
1555240103
8
Octal
114623347
10
Decimal
20129511
12
Duodecimal
68a9033
16
Hexadecimal
13326e7
20
Vigesimal
65g3fb
36
Base36
bzg13
md5
d3b884dd905dca0d6e8d2700ccbb006a
sha1
132bdb3239c2650ab79ad98cc0aedf49f1aaecb6
sha256
d8808ec0e016775a2c2d91166ba34241b93dab96e95d18eabb767640bd7c16c7
sha512
2b75139f7d5e31510727397ed04ed4c9e5522df60de4fa758e871473a655a7d2c1cada6c1855f3198a6194ee1e8c8cc665890ae8788487ec395716b50137dc32
ripemd-160
26760cf8dc2ece7a764f6ce37fab1a5d2dc8cfef
Diameter
40259022
Circumference
126477447.75591
Area
1.2729645879273E+15
Volume
3.4165539567056E+22
Surface area
5.091858351709E+15
Circumference
126477447.75591
Perimeter
80518044
Area
405197213099121
Diagonal
28467427.460138
Surface area
2431183278594726
Volume
8.1564217582481E+21
Space diagonal
34865335.783517
Perimeter
60388533
Area
1.7545554004325E+14
Altitude
17432667.891758
Surface area
1.7545554004325E+14
Volume
9.6124352257912E+20
Height
9489142.4867128