21931331 is an odd 8-digits prime number following 21931330
and preceding 21931332 . In scientific notation, it is written as 2.1931331 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 21931330 positive integers (up to 21931331) that are relatively prime to 21931331.
21931331 has 2 divisors, whose sum is 21931332
The reverse of 21931331 is 13313912
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million nine hundred thirty-one thousand three hundred thirty-one
Scientific notation
2.1931331 × 10^7
Engineering notation
2.1931331 × 10^6
Prime Factorization
21931331
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21931331
Product of the distinct prime numbers
The prime factorization of 21931331 is 21931331.
Since it has a total of 1 prime factors.
9 , 1 , 96 , 100 , 792 , 994 , 1483 , 2413 , 18835 , 10881 , 36217 , 815332 , 8824296 , 7974204 , 76050165 , 82178757 , 468727733 , 285111249 , 8534516119 , 8821819069
n×2
43862662
n×3
65793993
n×4
87725324
n×5
109656655
n÷2
10965665.5
n÷3
7310443.6666667
n÷3
5482832.75
n÷5
4386266.2
n2
480983279431561
n3
1.0548603506679E+22
n4
2.3134491509274E+29
n5
5.0737019080658E+36
2 √n
4683.0898987741
3 √n
279.91209400344
4 √n
68.43310528373
5 √n
29.39090763313
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21931332
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10965666
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4683.0900055412
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999088063
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931331 can be divided by 2 positive divisors.
The sum of these divisors (counting 21931331) is 21931332, the average is 10965666.
Base
System
Value
2
Binary
1010011101010010101000011
3
Ternary
1112021020010112
4
Quaternary
1103222111003
5
Quinary
21103300311
6
Senary
2102021535
8
Octal
123522503
10
Decimal
21931331
12
Duodecimal
74178ab
16
Hexadecimal
14ea543
20
Vigesimal
6h186b
36
Base36
d22bn
md5
beb8d5bafbe856681bedade215901290
sha1
f28677417580b36ddcc36dc29b6aef57afa51c8c
sha256
56a09b1ea933d6f6dd5f9f730918515fe3a95d69b016c7a1b6f546713f155268
sha512
6616726b252283a0a09aa88cbb576725a5bb5a88dad399b2baf4adacd8fa5979555110b37d22465fe3145394f9ed98604536e928bc393fd6ae9649de1912b46e
ripemd-160
22965996a5606838dcd364179853325e7d271118
Diameter
43862662
Circumference
137798616.70609
Area
1.5110535371617E+15
Volume
4.4185887042953E+22
Surface area
6.0442141486469E+15
Circumference
137798616.70609
Perimeter
87725324
Area
480983279431561
Diagonal
31015585.741093
Surface area
2885899676589366
Volume
1.0548603506679E+22
Space diagonal
37986179.56961
Perimeter
65793993
Area
2.0827186939164E+14
Altitude
18993089.784805
Surface area
2.0827186939164E+14
Volume
1.2431648452702E+21
Height
10338528.580364