20644513 is an odd 8-digits composite number following 20644512
and preceding 20644514 . In scientific notation, it is written as 2.0644513 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 20294548 positive integers (up to 20644513) that are relatively prime to 20644513.
20644513 has 4 divisors, whose sum is 20994480
The reverse of 20644513 is 31544602
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million six hundred forty-four thousand five hundred thirteen
Scientific notation
2.0644513 × 10^7
Engineering notation
2.0644513 × 10^6
Prime Factorization
59 × 349907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20644513
Product of the distinct prime numbers
The prime factorization of 20644513 is 59 × 349907.
Since it has a total of 2 prime factors.
4 , 8 , 71 , 56 , 682 , 983 , 6684 , 2013 , 76517 , 60782 , 73031 , 589070 , 2175606 , 88519 , 10865231 , 36526392 , 604200084 , 915168147 , 7264211546 , 3072746745
n×2
41289026
n×3
61933539
n×4
82578052
n×5
103222565
n÷2
10322256.5
n÷3
6881504.3333333
n÷3
5161128.25
n÷5
4128902.6
n2
426195917007169
n3
8.7986071492014E+21
n4
1.8164295967358E+29
n5
3.7499304423397E+36
2 √n
4543.6233338603
3 √n
274.32678523488
4 √n
67.406404249599
5 √n
29.037614043813
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
-20644512
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 20644513 can be divided by 4 positive divisors.
The sum of these divisors (counting 20644513) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110110000001010100001
3
Ternary
1102211211221121
4
Quaternary
1032300022201
5
Quinary
20241111023
6
Senary
2014252241
8
Octal
116601241
10
Decimal
20644513
12
Duodecimal
6ab7081
16
Hexadecimal
13b02a1
20
Vigesimal
690b5d
36
Base36
cahep
md5
4ac5d810ddeb0f0ea871c4daabfcc8d8
sha1
48383de5645306e3a74f45a20dabfd05af9c3f58
sha256
741be4c3f6540e9d09382ed3c3034ee2fe8a2c1a56b1d70f2bc467e807ca978a
sha512
94a375ac84a4de7a57a74b27ab4c38d5632b141b33723e18cfacbe787cda6d03d69fd6a25edac6a2456385b1ae5871c2fb9a7b7f864bf0d74fb1a1bf9aac6ec5
ripemd-160
86e384214ab92f880d8e8a4b93eadeb61200f00d
Diameter
41289026
Circumference
129713300.75548
Area
1.3389339618597E+15
Volume
3.6855519442338E+22
Surface area
5.3557358474387E+15
Circumference
129713300.75548
Perimeter
82578052
Area
426195917007169
Diagonal
29195750.273188
Surface area
2557175502043014
Volume
8.7986071492014E+21
Space diagonal
35757345.413516
Perimeter
61933539
Area
1.8454824555871E+14
Altitude
17878672.706758
Surface area
1.8454824555871E+14
Volume
1.0369257966995E+21
Height
9731916.7577292