20158640 is an even 8-digits composite number following 20158639
and preceding 20158641 . In scientific notation, it is written as 2.0158640 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 8063424 positive integers (up to 20158640) that are relatively prime to 20158640.
20158640 has 20 divisors, whose sum is 46869024
The reverse of 20158640 is 04685102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred fifty-eight thousand six hundred forty
Scientific notation
2.0158640 × 10^7
Engineering notation
2.0158640 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 251983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2519830
Product of the distinct prime numbers
The prime factorization of 20158640 is 2 × 2 × 2 × 2 × 5 × 251983.
Since it has a total of 6 prime factors.
10 , 3 , 14 , 68 , 75 , 854 , 9744 , 1254 , 69313 , 15012 , 281962 , 750772 , 3823025 , 4288175 , 2434051 , 11603120 , 599904896 , 762548746 , 2842914768 , 1562216248
n×2
40317280
n×3
60475920
n×4
80634560
n×5
100793200
n÷2
10079320
n÷3
6719546.6666667
n÷3
5039660
n÷5
4031728
n2
406370766649600
n3
8.1918819914133E+21
n4
1.6513719998738E+29
n5
3.3289413651537E+36
2 √n
4489.8374135374
3 √n
272.15756441765
4 √n
67.006249063333
5 √n
28.899627556439
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 251983 , 503966 , 1007932 , 1259915 , 2015864 , 2519830 , 4031728 , 5039660 , 10079320 , 20158640
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20158639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20158640 can be divided by 20 positive divisors.
The sum of these divisors (counting 20158640) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100111001100010110000
3
Ternary
1101221011110022
4
Quaternary
1030321202300
5
Quinary
20130034030
6
Senary
2000023012
8
Octal
114714260
10
Decimal
20158640
12
Duodecimal
6901a68
16
Hexadecimal
13398b0
20
Vigesimal
65jgc0
36
Base36
c02i8
md5
df98843cc1455a85bda5af6a3e1f9090
sha1
2456dd380e11240eed009e48cb4cbd7d18e3669f
sha256
01c8417500178ac161906058372c4c689877c2ea9b26991bcefb4b911d4d530c
sha512
3612c1238609521e2f51d87d31dfce6cbdc7353e74ef4287ac373ecb9eeb0f6244daf6244de3d641ba8dee8778d65dadb57c55f14760c5cd0ae865eec0c7740c
ripemd-160
3d3d919858652684cfb72c998059b97b4b991b91
Diameter
40317280
Circumference
126660470.66072
Area
1.27665141514E+15
Volume
3.4314075044398E+22
Surface area
5.1066056605601E+15
Circumference
126660470.66072
Perimeter
80634560
Area
406370766649600
Diagonal
28508622.086997
Surface area
2438224599897600
Volume
8.1918819914133E+21
Space diagonal
34915788.69149
Perimeter
60475920
Area
1.7596370363696E+14
Altitude
17457894.345745
Surface area
1.7596370363696E+14
Volume
9.6542255113472E+20
Height
9502874.0289989