21931339 is an odd 8-digits composite number following 21931338
and preceding 21931340 . In scientific notation, it is written as 2.1931339 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 20525256 positive integers (up to 21931339) that are relatively prime to 21931339.
21931339 has 8 divisors, whose sum is 23365440
The reverse of 21931339 is 93313912
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million nine hundred thirty-one thousand three hundred thirty-nine
Scientific notation
2.1931339 × 10^7
Engineering notation
2.1931339 × 10^6
Prime Factorization
19 × 83 × 13907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21931339
Product of the distinct prime numbers
The prime factorization of 21931339 is 19 × 83 × 13907.
Since it has a total of 3 prime factors.
10 , 9 , 65 , 94 , 83 , 418 , 1159 , 8649 , 19451 , 93144 , 294988 , 557557 , 2833000 , 1130525 , 62998623 , 29005052 , 872258975 , 806826670 , 8326101377 , 9967610380
n×2
43862678
n×3
65794017
n×4
87725356
n×5
109656695
n÷2
10965669.5
n÷3
7310446.3333333
n÷3
5482834.75
n÷5
4386267.8
n2
480983630332921
n3
1.0548615050282E+22
n4
2.3134525264824E+29
n5
5.0737111618691E+36
2 √n
4683.0907529109
3 √n
279.91212803841
4 √n
68.4331115244
5 √n
29.390909777343
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
-21931338
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 21931339 can be divided by 8 positive divisors.
The sum of these divisors (counting 21931339) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011101010010101001011
3
Ternary
1112021020010211
4
Quaternary
1103222111023
5
Quinary
21103300324
6
Senary
2102021551
8
Octal
123522513
10
Decimal
21931339
12
Duodecimal
74178b7
16
Hexadecimal
14ea54b
20
Vigesimal
6h186j
36
Base36
d22bv
md5
5231e8eb7a4bd76915369e729e026f2d
sha1
b334d3c0593c40b59879805ef8a209c7991cd234
sha256
52916d7167978f98bdd983b2cc01fd90fb88043567891df87108b6094504634a
sha512
95e1a852593c1af4958fabfb664e1466d6a48ac130b0d8cf9a6ab8026d4a8ae6b262d4ccf7ebfa66cae1cbd8322fa943402401d5ad01c4c86245aaecc5cc8424
ripemd-160
86094bd72a09095705c37ed72234788a46d5e931
Diameter
43862678
Circumference
137798666.97157
Area
1.5110546395509E+15
Volume
4.4185935396683E+22
Surface area
6.0442185582034E+15
Circumference
137798666.97157
Perimeter
87725356
Area
480983630332921
Diagonal
31015597.054802
Surface area
2885901781997526
Volume
1.0548615050282E+22
Space diagonal
37986193.426017
Perimeter
65794017
Area
2.0827202133639E+14
Altitude
18993096.713008
Surface area
2.0827202133639E+14
Volume
1.2431662056968E+21
Height
10338532.351601