21131836 is an even 8-digits composite number following 21131835
and preceding 21131837 . In scientific notation, it is written as 2.1131836 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 9273600 positive integers (up to 21131836) that are relatively prime to 21131836.
21131836 has 24 divisors, whose sum is 41736240
The reverse of 21131836 is 63813112
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred thirty-one thousand eight hundred thirty-six
Scientific notation
2.1131836 × 10^7
Engineering notation
2.1131836 × 10^6
Prime Factorization
2 × 2 × 11 × 29 × 16561
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10565918
Product of the distinct prime numbers
The prime factorization of 21131836 is 2 × 2 × 11 × 29 × 16561.
Since it has a total of 5 prime factors.
6 , 8 , 44 , 31 , 318 , 90 , 7894 , 3308 , 96302 , 16729 , 857809 , 260315 , 5735315 , 5589842 , 37754549 , 37689000 , 123638629 , 158200082 , 9039962720 , 1490495165
n×2
42263672
n×3
63395508
n×4
84527344
n×5
105659180
n÷2
10565918
n÷3
7043945.3333333
n÷3
5282959
n÷5
4226367.2
n2
446554492730896
n3
9.4365163054525E+21
n4
1.9941091497815E+29
n5
4.2139187519282E+36
2 √n
4596.9376763232
3 √n
276.46855577554
4 √n
67.800720323041
5 √n
29.173426842573
1 , 2 , 4 , 11 , 22 , 29 , 44 , 58 , 116 , 319 , 638 , 1276 , 16561 , 33122 , 66244 , 182171 , 364342 , 480269 , 728684 , 960538 , 1921076 , 5282959 , 10565918 , 21131836
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131835
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131836 can be divided by 24 positive divisors.
The sum of these divisors (counting 21131836) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100111001000111100
3
Ternary
1110202121102121
4
Quaternary
1100213020330
5
Quinary
20402204321
6
Senary
2032532324
8
Octal
120471074
10
Decimal
21131836
12
Duodecimal
70b10a4
16
Hexadecimal
142723c
20
Vigesimal
6c19bg
36
Base36
ckxfg
md5
c76e05a2feba29824bf802cd3d9baf01
sha1
61de8f9185598e9408a05189d4d4079c748de4f8
sha256
706f587833aed853cddc0c4d1f9fdb9d620cb1aefbd91a9cfc1ec73385fc6cc7
sha512
4b9cbc6690101cee826cc7c52df5d1f2a215f6f103c8887bc579b9f799d5faec77e3e689c8aed71dd060f61c85a6ed704759a1918c8e6ac7aed50a88ab77d7e3
ripemd-160
39f1ed0f49a5c04d2dd4c3c1ee5fa3f70172fa73
Diameter
42263672
Circumference
132775241.46893
Area
1.4028923137909E+15
Volume
3.9527587067586E+22
Surface area
5.6115692551636E+15
Circumference
132775241.46893
Perimeter
84527344
Area
446554492730896
Diagonal
29884929.069044
Surface area
2679326956385376
Volume
9.4365163054525E+21
Space diagonal
36601413.609213
Perimeter
63395508
Area
1.9336376743951E+14
Altitude
18300706.804607
Surface area
1.9336376743951E+14
Volume
1.1121041117271E+21
Height
9961643.0230147