20158729 is an odd 8-digits composite number following 20158728
and preceding 20158730 . In scientific notation, it is written as 2.0158729 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20062980 positive integers (up to 20158729) that are relatively prime to 20158729.
20158729 has 4 divisors, whose sum is 20254480
The reverse of 20158729 is 92785102
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred fifty-eight thousand seven hundred twenty-nine
Scientific notation
2.0158729 × 10^7
Engineering notation
2.0158729 × 10^6
Prime Factorization
211 × 95539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20158729
Product of the distinct prime numbers
The prime factorization of 20158729 is 211 × 95539.
Since it has a total of 2 prime factors.
9 , 9 , 53 , 4 , 36 , 94 , 8521 , 1722 , 19364 , 77458 , 953450 , 5891 , 8889766 , 1955964 , 3263733 , 38815403 , 898345332 , 622820148 , 8737433027 , 4267773962
n×2
40317458
n×3
60476187
n×4
80634916
n×5
100793645
n÷2
10079364.5
n÷3
6719576.3333333
n÷3
5039682.25
n÷5
4031745.8
n2
406374354895441
n3
8.191990492887E+21
n4
1.6514011631669E+29
n5
3.3290148518565E+36
2 √n
4489.8473247985
3 √n
272.1579649405
4 √n
67.006323021029
5 √n
28.899653074651
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
-20158728
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 20158729 can be divided by 4 positive divisors.
The sum of these divisors (counting 20158729) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001100100001001
3
Ternary
1101221011120121
4
Quaternary
1030321210021
5
Quinary
20130034404
6
Senary
2000023241
8
Octal
114714411
10
Decimal
20158729
12
Duodecimal
6901b21
16
Hexadecimal
1339909
20
Vigesimal
65jgg9
36
Base36
c02kp
md5
07eaed31949a33184553b144f84e899b
sha1
3a711a96b50c03ee81e2b53580403ad93c84ebf4
sha256
4e6bde5d222805ff89e85ac47f41de05c8388e5ada85076fb53842581138ddac
sha512
f90502a814249707bf52049e183f853ddc9620c63e1c422423a4027ae76e3e6a4c697773dec75cf32189601c886471e91e1c4709215b450b8e9a6a5b1529499a
ripemd-160
791650d32112be7537d375a3a2735227895dcd75
Diameter
40317458
Circumference
126661029.86422
Area
1.2766626879468E+15
Volume
3.4314529534308E+22
Surface area
5.1066507517872E+15
Circumference
126661029.86422
Perimeter
80634916
Area
406374354895441
Diagonal
28508747.952004
Surface area
2438246129372646
Volume
8.191990492887E+21
Space diagonal
34915942.844012
Perimeter
60476187
Area
1.7596525739298E+14
Altitude
17457971.422006
Surface area
1.7596525739298E+14
Volume
9.6543533815602E+20
Height
9502915.9840013