21356712 is an even 8-digits composite number following 21356711
and preceding 21356713 . In scientific notation, it is written as 2.1356712 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 6571008 positive integers (up to 21356712) that are relatively prime to 21356712.
21356712 has 32 divisors, whose sum is 47917800
The reverse of 21356712 is 21765312
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred fifty-six thousand seven hundred twelve
Scientific notation
2.1356712 × 10^7
Engineering notation
2.1356712 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 13 × 22817
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5339178
Product of the distinct prime numbers
The prime factorization of 21356712 is 2 × 2 × 2 × 9 × 13 × 22817.
Since it has a total of 6 prime factors.
3 , 4 , 89 , 49 , 71 , 490 , 5497 , 3788 , 6568 , 37079 , 554863 , 591419 , 8068722 , 750921 , 95899532 , 93752319 , 677581911 , 797077847 , 3194617259 , 9976754830
n×2
42713424
n×3
64070136
n×4
85426848
n×5
106783560
n÷2
10678356
n÷3
7118904
n÷3
5339178
n÷5
4271342.4
n2
456109147450944
n3
9.7409917026753E+21
n4
2.0803555438843E+29
n5
4.442955420834E+36
2 √n
4621.3322754375
3 √n
277.44578439268
4 √n
67.98038154819
5 √n
29.235254459536
1 , 2 , 4 , 8 , 9 , 13 , 18 , 26 , 36 , 52 , 72 , 104 , 117 , 234 , 468 , 936 , 22817 , 45634 , 91268 , 182536 , 205353 , 296621 , 410706 , 593242 , 821412 , 1186484 , 1642824 , 2372968 , 2669589 , 5339178 , 10678356 , 21356712
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356711
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356712 can be divided by 32 positive divisors.
The sum of these divisors (counting 21356712) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001011110000010101000
3
Ternary
1111012000220100
4
Quaternary
1101132002220
5
Quinary
20431403322
6
Senary
2041425400
8
Octal
121360250
10
Decimal
21356712
12
Duodecimal
719b260
16
Hexadecimal
145e0a8
20
Vigesimal
6d9bfc
36
Base36
cpqy0
md5
69dda3c45c6056e1c27851069635bbd9
sha1
49371d551f5c0ccd1d37210be062a1788bcd38b3
sha256
8580d5d4d1bebadf7b91dae96fa179f20f51375da56f0e016d3db523e709445f
sha512
06b13c59e5d2080dfa946e4f3f7795d7db98b0fab2036b1f7dcfa6c3aa1a986d51fb2c45279a77e0006487a3d4b3c4afcc2004e7df130c8cdcbcf03be7ac0608
ripemd-160
f3bd81e4878968f381c8b206cc49c175af73b040
Diameter
42713424
Circumference
134188179.04807
Area
1.432909146867E+15
Volume
4.0802970629072E+22
Surface area
5.731636587468E+15
Circumference
134188179.04807
Perimeter
85426848
Area
456109147450944
Diagonal
30202951.758096
Surface area
2736654884705664
Volume
9.7409917026753E+21
Space diagonal
36990910.266616
Perimeter
64070136
Area
1.9750105429549E+14
Altitude
18495455.133308
Surface area
1.9750105429549E+14
Volume
1.1479868814073E+21
Height
10067650.586032