21131351 is an odd 8-digits composite number following 21131350
and preceding 21131352 . In scientific notation, it is written as 2.1131351 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 21103104 positive integers (up to 21131351) that are relatively prime to 21131351.
21131351 has 4 divisors, whose sum is 21159600
The reverse of 21131351 is 15313112
Previous prime number is 769
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million one hundred thirty-one thousand three hundred fifty-one
Scientific notation
2.1131351 × 10^7
Engineering notation
2.1131351 × 10^6
Prime Factorization
769 × 27479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21131351
Product of the distinct prime numbers
The prime factorization of 21131351 is 769 × 27479.
Since it has a total of 2 prime factors.
5 , 9 , 16 , 96 , 868 , 494 , 845 , 5458 , 79075 , 7748 , 569396 , 252469 , 1063745 , 4426692 , 75007856 , 53113080 , 748012260 , 531909842 , 9604950947 , 2744675339
n×2
42262702
n×3
63394053
n×4
84525404
n×5
105656755
n÷2
10565675.5
n÷3
7043783.6666667
n÷3
5282837.75
n÷5
4226270.2
n2
446533995085201
n3
9.4358665835777E+21
n4
1.9939260876675E+29
n5
4.2134352026559E+36
2 √n
4596.8849235107
3 √n
276.46644066866
4 √n
67.800331293517
5 √n
29.173292928587
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
-21131350
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 21131351 can be divided by 4 positive divisors.
The sum of these divisors (counting 21131351) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100111000001010111
3
Ternary
1110202120202122
4
Quaternary
1100213001113
5
Quinary
20402200401
6
Senary
2032530155
8
Octal
120470127
10
Decimal
21131351
12
Duodecimal
70b095b
16
Hexadecimal
1427057
20
Vigesimal
6c187b
36
Base36
ckx1z
md5
a9958ae2b5e0ad5f8c39c5bde92334cf
sha1
37cff6161e3347b5e5d92e3b45e90e44140e0e6a
sha256
ebfae8a78949027e5aeccb6efdee50e25c7cf725fe239cb73b0162d7747b9ee1
sha512
3b5e21ebb7b13a4ddb50f64ef4ee1a04c56ab83d723448878f6e7ff0519c6b73c143998a68b1c81d80fca9c22fe14bfc55e6b524b1cac69972ce85cc1bde920d
ripemd-160
02844bbc6bbe14ad0a458a0dcfcf15ccca8f1ea2
Diameter
42262702
Circumference
132772194.12405
Area
1.4028279185378E+15
Volume
3.9524865518961E+22
Surface area
5.6113116741511E+15
Circumference
132772194.12405
Perimeter
84525404
Area
446533995085201
Diagonal
29884243.175466
Surface area
2679203970511206
Volume
9.4358665835777E+21
Space diagonal
36600573.564571
Perimeter
63394053
Area
1.9335489169857E+14
Altitude
18300286.782286
Surface area
1.9335489169857E+14
Volume
1.1120275412699E+21
Height
9961414.3918221