21231275 is an odd 8-digits composite number following 21231274
and preceding 21231276 . In scientific notation, it is written as 2.1231275 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 15678240 positive integers (up to 21231275) that are relatively prime to 21231275.
21231275 has 12 divisors, whose sum is 28352352
The reverse of 21231275 is 57213212
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million two hundred thirty-one thousand two hundred seventy-five
Scientific notation
2.1231275 × 10^7
Engineering notation
2.1231275 × 10^6
Prime Factorization
5 × 5 × 13 × 65327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4246255
Product of the distinct prime numbers
The prime factorization of 21231275 is 5 × 5 × 13 × 65327.
Since it has a total of 4 prime factors.
8 , 8 , 85 , 62 , 494 , 567 , 792 , 9320 , 18669 , 65056 , 453593 , 568999 , 2181103 , 6656175 , 33223006 , 78413883 , 887780095 , 196739903 , 5629592946 , 6112031999
n×2
42462550
n×3
63693825
n×4
84925100
n×5
106156375
n÷2
10615637.5
n÷3
7077091.6666667
n÷3
5307818.75
n÷5
4246255
n2
450767038125625
n3
9.5703589473806E+21
n4
2.0319092266055E+29
n5
4.3140023565098E+36
2 √n
4607.740769618
3 √n
276.90153198756
4 √n
67.88034155496
5 √n
29.20083128928
1 , 5 , 13 , 25 , 65 , 325 , 65327 , 326635 , 849251 , 1633175 , 4246255 , 21231275
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21231274
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21231275 can be divided by 12 positive divisors.
The sum of these divisors (counting 21231275) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000111111011010101011
3
Ternary
1110221122211112
4
Quaternary
1100333122223
5
Quinary
20413400100
6
Senary
2035020535
8
Octal
120773253
10
Decimal
21231275
12
Duodecimal
713a74b
16
Hexadecimal
143f6ab
20
Vigesimal
6cdi3f
36
Base36
cn25n
md5
203c38848b046a034fd7b1631907cf2f
sha1
4b16240f8398b69bed33e6e1de4eaad674eaa86b
sha256
75f031b92aa887e98aef2aa38b65ef3020a5a10c37f0ce236758b9b3233b713a
sha512
5a9eb068abca4bc82c14436ae980c60a3fb1ad69898442bd3c981997d7a0fc3a2d64d61badf7695e422ecd688c44acb0a57dfc89e0d66e02984a2bd01afa11a9
ripemd-160
b10dfe1ea4985903113eb7eae163c75464c49e21
Diameter
42462550
Circumference
133400035.13269
Area
1.4161264154559E+15
Volume
4.0088225815078E+22
Surface area
5.6645056618236E+15
Circumference
133400035.13269
Perimeter
84925100
Area
450767038125625
Diagonal
30025557.051473
Surface area
2704602228753750
Volume
9.5703589473806E+21
Space diagonal
36773647.009467
Perimeter
63693825
Area
1.9518785310273E+14
Altitude
18386823.504733
Surface area
1.9518785310273E+14
Volume
1.127877618347E+21
Height
10008519.017158