21131312 is an even 8-digits composite number following 21131311
and preceding 21131313 . In scientific notation, it is written as 2.1131312 × 10^7.
The sum of its digits is 14. It has a total of 6 prime factors and 20 positive divisors.
There are 10365888 positive integers (up to 21131312) that are relatively prime to 21131312.
21131312 has 20 divisors, whose sum is 41716080
The reverse of 21131312 is 21313112
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million one hundred thirty-one thousand three hundred twelve
Scientific notation
2.1131312 × 10^7
Engineering notation
2.1131312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 53 × 24919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2641414
Product of the distinct prime numbers
The prime factorization of 21131312 is 2 × 2 × 2 × 2 × 53 × 24919.
Since it has a total of 6 prime factors.
3 , 6 , 55 , 52 , 192 , 767 , 3284 , 4474 , 90271 , 61116 , 706933 , 458628 , 4997420 , 9940129 , 44153394 , 18062365 , 58058284 , 391949999 , 8710440996 , 5968093918
n×2
42262624
n×3
63393936
n×4
84525248
n×5
105656560
n÷2
10565656
n÷3
7043770.6666667
n÷3
5282828
n÷5
4226262.4
n2
446532346841344
n3
9.4358143391967E+21
n4
1.9939113677564E+29
n5
4.2133963212407E+36
2 √n
4596.8806815057
3 √n
276.46627058649
4 √n
67.80030001044
5 √n
29.173282160139
1 , 2 , 4 , 8 , 16 , 53 , 106 , 212 , 424 , 848 , 24919 , 49838 , 99676 , 199352 , 398704 , 1320707 , 2641414 , 5282828 , 10565656 , 21131312
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131312 can be divided by 20 positive divisors.
The sum of these divisors (counting 21131312) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000100111000000110000
3
Ternary
1110202120201012
4
Quaternary
1100213000300
5
Quinary
20402200222
6
Senary
2032530052
8
Octal
120470060
10
Decimal
21131312
12
Duodecimal
70b0928
16
Hexadecimal
1427030
20
Vigesimal
6c185c
36
Base36
ckx0w
md5
9cf2e0b974e67399d2740c7cfec42ed4
sha1
888ccdf9390b4ddd4f0ea6b02c434edbde360510
sha256
1f41c11fda23e7e9876d0699c80be0c7c5ee6cb7972f69bee55f8c24cc685983
sha512
4c75f54352df9edd15683e7ad7a2bf60465fd62053389a15a8a5d2db453850db826403cc9331900cf900fde699f4a4afa72d840b8c0cbd9c7aa1b61d9754053d
ripemd-160
5da648d263b1809d18007abb5fdeadbaf5bedec5
Diameter
42262624
Circumference
132771949.07983
Area
1.402822740427E+15
Volume
3.952464667821E+22
Surface area
5.6112909617079E+15
Circumference
132771949.07983
Perimeter
84525248
Area
446532346841344
Diagonal
29884188.021137
Surface area
2679194081048064
Volume
9.4358143391967E+21
Space diagonal
36600506.01459
Perimeter
63393936
Area
1.9335417798804E+14
Altitude
18300253.007295
Surface area
1.9335417798804E+14
Volume
1.1120213842105E+21
Height
9961396.0070458