20561331 is an odd 8-digits composite number following 20561330
and preceding 20561332 . In scientific notation, it is written as 2.0561331 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 11551680 positive integers (up to 20561331) that are relatively prime to 20561331.
20561331 has 8 divisors, whose sum is 21600304
The reverse of 20561331 is 13316502
Previous prime number is 427
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million five hundred sixty-one thousand three hundred thirty-one
Scientific notation
2.0561331 × 10^7
Engineering notation
2.0561331 × 10^6
Prime Factorization
21 × 427 × 2293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20561331
Product of the distinct prime numbers
The prime factorization of 20561331 is 21 × 427 × 2293.
Since it has a total of 3 prime factors.
4 , 7 , 60 , 77 , 276 , 651 , 4673 , 4201 , 91240 , 48089 , 471268 , 93963 , 1821919 , 9934514 , 440932 , 77742359 , 99163824 , 792551496 , 2894586498 , 2547205142
n×2
41122662
n×3
61683993
n×4
82245324
n×5
102806655
n÷2
10280665.5
n÷3
6853777
n÷3
5140332.75
n÷5
4112266.2
n2
422768332491561
n3
8.692679620677E+21
n4
1.787330629577E+29
n5
3.674989668117E+36
2 √n
4534.4603868597
3 √n
273.95784511407
4 √n
67.338402021875
5 √n
29.014176250293
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
-20561330
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 20561331 can be divided by 8 positive divisors.
The sum of these divisors (counting 20561331) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011011110110110011
3
Ternary
1102200121211210
4
Quaternary
1032123312303
5
Quinary
20230430311
6
Senary
2012411203
8
Octal
116336663
10
Decimal
20561331
12
Duodecimal
6a76b03
16
Hexadecimal
139bdb3
20
Vigesimal
68a36b
36
Base36
c8p83
md5
b571286df463759598bd3b836544aa86
sha1
40c87918d134ee029420664e329a6213a355216a
sha256
9998e1a918d416b8dfc622880ad560b78a86a74b4a96d408174afcb7a1254a85
sha512
18afa5b212a854d317d8d7bb5a63e30e30ceca9f5815f14ca251ba303049eb847bf36c0fddd6615ad8ff3688c25fc13b518eea21b571fa372b571ee52564aed2
ripemd-160
d303476876cc98ccf0571d18a4c5b2d0c3eee53b
Diameter
41122662
Circumference
129190652.83526
Area
1.3281658875259E+15
Volume
3.6411811248438E+22
Surface area
5.3126635501036E+15
Circumference
129190652.83526
Perimeter
82245324
Area
422768332491561
Diagonal
29078113.160642
Surface area
2536609994949366
Volume
8.692679620677E+21
Space diagonal
35613269.963241
Perimeter
61683993
Area
1.8306405792664E+14
Altitude
17806634.98162
Surface area
1.8306405792664E+14
Volume
1.0244421177438E+21
Height
9692704.3868808