21291331 is an odd 8-digits composite number following 21291330
and preceding 21291332 . In scientific notation, it is written as 2.1291331 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 21163672 positive integers (up to 21291331) that are relatively prime to 21291331.
21291331 has 4 divisors, whose sum is 21418992
The reverse of 21291331 is 13319212
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million two hundred ninety-one thousand three hundred thirty-one
Scientific notation
2.1291331 × 10^7
Engineering notation
2.1291331 × 10^6
Prime Factorization
167 × 127493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21291331
Product of the distinct prime numbers
The prime factorization of 21291331 is 167 × 127493.
Since it has a total of 2 prime factors.
5 , 9 , 75 , 93 , 588 , 5 , 1011 , 3091 , 56189 , 81913 , 374052 , 187487 , 1118972 , 2539817 , 42676379 , 90799130 , 174294729 , 886948838 , 8636458903 , 7008650181
n×2
42582662
n×3
63873993
n×4
85165324
n×5
106456655
n÷2
10645665.5
n÷3
7097110.3333333
n÷3
5322832.75
n÷5
4258266.2
n2
453320775751561
n3
9.6518026857033E+21
n4
2.05499725728E+29
n5
4.375362680884E+36
2 √n
4614.2530273057
3 √n
277.1623727078
4 √n
67.928293275378
5 √n
29.217332458006
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21291330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21291331 can be divided by 4 positive divisors.
The sum of these divisors (counting 21291331) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001110000101000011
3
Ternary
1111001201012211
4
Quaternary
1101032011003
5
Quinary
20422310311
6
Senary
2040202551
8
Octal
121160503
10
Decimal
21291331
12
Duodecimal
7169457
16
Hexadecimal
144e143
20
Vigesimal
6d186b
36
Base36
cochv
md5
c683efd474633505f5826c210b5daefc
sha1
10ff0a58636182d8f61e866abd3d0a95dab0f500
sha256
5d5a1e34e64a0372fd197d3e804e707991e7bd5416337d096acbc46c70627f44
sha512
d295576c07220c3dea920e0586fa0d7ecdf3046e8b07956453cde0ee56e116c3ee13fa0188b6793cbcb38c1f724c9473f1dbccd13a3b0f2f4cef528d04fd9338
ripemd-160
3ad3324e30e6d634fe2010beb8f85702f4ffa9c2
Diameter
42582662
Circumference
133777378.1095
Area
1.4241492188207E+15
Volume
4.0429376548405E+22
Surface area
5.6965968752829E+15
Circumference
133777378.1095
Perimeter
85165324
Area
453320775751561
Diagonal
30110489.061175
Surface area
2719924654509366
Volume
9.6518026857033E+21
Space diagonal
36877667.052766
Perimeter
63873993
Area
1.9629365393206E+14
Altitude
18438833.526383
Surface area
1.9629365393206E+14
Volume
1.1374758549559E+21
Height
10036829.687058