20149645 is an odd 8-digits composite number following 20149644
and preceding 20149646 . In scientific notation, it is written as 2.0149645 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 15683904 positive integers (up to 20149645) that are relatively prime to 20149645.
20149645 has 8 divisors, whose sum is 24833304
The reverse of 20149645 is 54694102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-nine thousand six hundred forty-five
Scientific notation
2.0149645 × 10^7
Engineering notation
2.0149645 × 10^6
Prime Factorization
5 × 37 × 108917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149645
Product of the distinct prime numbers
The prime factorization of 20149645 is 5 × 37 × 108917.
Since it has a total of 3 prime factors.
3 , 6 , 2 , 19 , 488 , 725 , 4151 , 5068 , 52840 , 17402 , 151641 , 371068 , 5907094 , 2921139 , 68905409 , 9053023 , 428847456 , 831245451 , 1099086650 , 6711252336
n×2
40299290
n×3
60448935
n×4
80598580
n×5
100748225
n÷2
10074822.5
n÷3
6716548.3333333
n÷3
5037411.25
n÷5
4029929
n2
406008193626025
n3
8.1809209686557E+21
n4
1.6484265329147E+29
n5
3.3215209446812E+36
2 √n
4488.8355951182
3 √n
272.11707852676
4 √n
66.998773086663
5 √n
28.897048031633
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149644
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149645 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149645) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111010110001101
3
Ternary
1101220201010011
4
Quaternary
1030313112031
5
Quinary
20124242040
6
Senary
1555513221
8
Octal
114672615
10
Decimal
20149645
12
Duodecimal
68b8811
16
Hexadecimal
133758d
20
Vigesimal
65ie25
36
Base36
bzvkd
md5
07ab01e8f3b2d0270925fd980f423a8b
sha1
17ee171dff1fa93feca95fe3ed4730c126e6dd74
sha256
75e5da4f3f07adad7e76c53aa5072e1bb0b0f3de4cdcaff348848e08cd0d2e51
sha512
3baff152ac5b331d30513c83ab9910ccdc893abbed800d04597930f046b029a5add65eb3a15bf4ba1382cfdc900824f45fef61c77dd39254c96077eca1ab8de8
ripemd-160
7c0d7478be8c1ff6f0949ab7f8fd8ba5d09e104c
Diameter
40299290
Circumference
126603953.40888
Area
1.2755123583928E+15
Volume
3.4268161619636E+22
Surface area
5.1020494335711E+15
Circumference
126603953.40888
Perimeter
80598580
Area
406008193626025
Diagonal
28495901.236003
Surface area
2436049161756150
Volume
8.1809209686557E+21
Space diagonal
34900208.894476
Perimeter
60448935
Area
1.7580670491238E+14
Altitude
17450104.447238
Surface area
1.7580670491238E+14
Volume
9.6413078221461E+20
Height
9498633.7453344