20561628 is an even 8-digits composite number following 20561627
and preceding 20561629 . In scientific notation, it is written as 2.0561628 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 6853872 positive integers (up to 20561628) that are relatively prime to 20561628.
20561628 has 12 divisors, whose sum is 47977160
The reverse of 20561628 is 82616502
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred sixty-one thousand six hundred twenty-eight
Scientific notation
2.0561628 × 10^7
Engineering notation
2.0561628 × 10^6
Prime Factorization
2 × 2 × 3 × 1713469
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10280814
Product of the distinct prime numbers
The prime factorization of 20561628 is 2 × 2 × 3 × 1713469.
Since it has a total of 4 prime factors.
2 , 7 , 22 , 19 , 955 , 212 , 1253 , 5439 , 75591 , 26427 , 860774 , 130818 , 8102212 , 216700 , 50156681 , 75007063 , 31611014 , 964793003 , 9700735628 , 2019188981
n×2
41123256
n×3
61684884
n×4
82246512
n×5
102808140
n÷2
10280814
n÷3
6853876
n÷3
5140407
n÷5
4112325.6
n2
422780546010384
n3
8.6930563127024E+21
n4
1.7874339008484E+29
n5
3.6752550943833E+36
2 √n
4534.4931359525
3 √n
273.95916417732
4 √n
67.338645189464
5 √n
29.014260069386
1 , 2 , 3 , 4 , 6 , 12 , 1713469 , 3426938 , 5140407 , 6853876 , 10280814 , 20561628
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20561627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20561628 can be divided by 12 positive divisors.
The sum of these divisors (counting 20561628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110011011111011011100
3
Ternary
1102200122020210
4
Quaternary
1032123323130
5
Quinary
20230433003
6
Senary
2012412420
8
Octal
116337334
10
Decimal
20561628
12
Duodecimal
6a77110
16
Hexadecimal
139bedc
20
Vigesimal
68a418
36
Base36
c8pgc
md5
1ad5b318f7adfd585f6635d85cfcf0a4
sha1
f73b4544082df7ba5c24c6b64fa3ec871bd80d2a
sha256
9808a8f57fdaea411018f03fb49f12276e8869de90ae67b54b7a54209eab8ace
sha512
400940e9040bcb1842bf548dbf64792f2c91a85dc53d729756c8d3c58b2060722cbd16bd07345baaf9adcb5678a93bae944e68d7024cbb6cd10c7a553aa2a8e0
ripemd-160
905dee51bb1c9d7de8b49e51be5f3e6aaa5305cd
Diameter
41123256
Circumference
129192518.94129
Area
1.3282042574269E+15
Volume
3.6413389132304E+22
Surface area
5.3128170297076E+15
Circumference
129192518.94129
Perimeter
82246512
Area
422780546010384
Diagonal
29078533.18207
Surface area
2536683276062304
Volume
8.6930563127024E+21
Space diagonal
35613784.382331
Perimeter
61684884
Area
1.8306934653542E+14
Altitude
17806892.191165
Surface area
1.8306934653542E+14
Volume
1.0244865113247E+21
Height
9692844.3940235