21931722 is an even 8-digits composite number following 21931721
and preceding 21931723 . In scientific notation, it is written as 2.1931722 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 7310412 positive integers (up to 21931722) that are relatively prime to 21931722.
21931722 has 16 divisors, whose sum is 37907520
The reverse of 21931722 is 22713912
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million nine hundred thirty-one thousand seven hundred twenty-two
Scientific notation
2.1931722 × 10^7
Engineering notation
2.1931722 × 10^6
Prime Factorization
2 × 9 × 27 × 45127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21931722
Product of the distinct prime numbers
The prime factorization of 21931722 is 2 × 9 × 27 × 45127.
Since it has a total of 4 prime factors.
9 , 8 , 31 , 53 , 601 , 164 , 5751 , 9850 , 83272 , 93804 , 883870 , 82484 , 8451549 , 8169258 , 81864062 , 81829110 , 378629784 , 31763108 , 11294949 , 3034801335
n×2
43863444
n×3
65795166
n×4
87726888
n×5
109658610
n÷2
10965861
n÷3
7310574
n÷3
5482930.5
n÷5
4386344.4
n2
481000429885284
n3
1.0549167710125E+22
n4
2.3136141354983E+29
n5
5.0741542035019E+36
2 √n
4683.1316445302
3 √n
279.91375745284
4 √n
68.433410294462
5 √n
29.391012430809
1 , 2 , 9 , 18 , 27 , 54 , 243 , 486 , 45127 , 90254 , 406143 , 812286 , 1218429 , 2436858 , 10965861 , 21931722
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931721
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931722 can be divided by 16 positive divisors.
The sum of these divisors (counting 21931722) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011101010011011001010
3
Ternary
1112021020200000
4
Quaternary
1103222123022
5
Quinary
21103303342
6
Senary
2102023430
8
Octal
123523312
10
Decimal
21931722
12
Duodecimal
7417b76
16
Hexadecimal
14ea6ca
20
Vigesimal
6h1962
36
Base36
d22mi
md5
ceaee0d64a9822accf5065fbd984656e
sha1
2eb3ff467b07b33ca5c913c4831b0f406b9cfe00
sha256
f18f030e4d949a1d2aaec2d7720c0d85487b9a4a06e08e685e5ef6e40904341e
sha512
5667b9c930001f76416ad2ef6170041f57a4c0323a7cfa7c0bc6a7ba03f82f9ce3782d004f7e9558096c590de8c0108ff3450c241610ca7af55bf407cf5cf89f
ripemd-160
ed280614a8adb71b47e492b83a6e0bf80ae5e34f
Diameter
43863444
Circumference
137801073.43155
Area
1.5111074169011E+15
Volume
4.4188250372819E+22
Surface area
6.0444296676046E+15
Circumference
137801073.43155
Perimeter
87726888
Area
481000429885284
Diagonal
31016138.698596
Surface area
2886002579311704
Volume
1.0549167710125E+22
Space diagonal
37986856.801476
Perimeter
65795166
Area
2.0827929575595E+14
Altitude
18993428.400738
Surface area
2.0827929575595E+14
Volume
1.2432313372839E+21
Height
10338712.899532