21132810 is an even 8-digits composite number following 21132809
and preceding 21132811 . In scientific notation, it is written as 2.1132810 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 5635392 positive integers (up to 21132810) that are relatively prime to 21132810.
21132810 has 16 divisors, whose sum is 42265800
The reverse of 21132810 is 01823112
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million one hundred thirty-two thousand eight hundred ten
Scientific notation
2.1132810 × 10^7
Engineering notation
2.1132810 × 10^6
Prime Factorization
2 × 9 × 5 × 234809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21132810
Product of the distinct prime numbers
The prime factorization of 21132810 is 2 × 9 × 5 × 234809.
Since it has a total of 4 prime factors.
6 , 6 , 13 , 74 , 81 , 168 , 1484 , 6001 , 63420 , 90942 , 940417 , 28613 , 4510173 , 6003101 , 31841700 , 65655870 , 34708000 , 166280593 , 2442085938 , 1084476792
n×2
42265620
n×3
63398430
n×4
84531240
n×5
105664050
n÷2
10566405
n÷3
7044270
n÷3
5283202.5
n÷5
4226562
n2
446595658496100
n3
9.437821197823E+21
n4
1.9944768218757E+29
n5
4.2148899726102E+36
2 √n
4597.0436151944
3 √n
276.47280333573
4 √n
67.801501570352
5 √n
29.173695767562
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 234809 , 469618 , 1174045 , 2113281 , 2348090 , 4226562 , 10566405 , 21132810
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21132809
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21132810 can be divided by 16 positive divisors.
The sum of these divisors (counting 21132810) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111011000001010
3
Ternary
1110202122202200
4
Quaternary
1100213120022
5
Quinary
20402222220
6
Senary
2032541030
8
Octal
120473012
10
Decimal
21132810
12
Duodecimal
70b1776
16
Hexadecimal
142760a
20
Vigesimal
6c1c0a
36
Base36
cky6i
md5
7a63022c1a9d3b624869f42d73d41fb5
sha1
1d857025f417ad7365fcab73dd8004fbffb6ccc3
sha256
0b89ad50dea5616d3438f96daa122a8bab8d107c676fbea7a41cbd69d6927137
sha512
6c1c050663ac82723d2f77c50f4d331c89777336b1a9451b3ede44fa7a0df930240e980594343211e20301f61f5eea541f4f43afd700faa220b5023a66a74044
ripemd-160
2d04fa039e62efe15ba85ff03b86bf38c2348f92
Diameter
42265620
Circumference
132781361.29142
Area
1.4030216398564E+15
Volume
3.9533052987966E+22
Surface area
5.6120865594258E+15
Circumference
132781361.29142
Perimeter
84531240
Area
446595658496100
Diagonal
29886306.513054
Surface area
2679573950976600
Volume
9.437821197823E+21
Space diagonal
36603100.6267
Perimeter
63398430
Area
1.9338159273873E+14
Altitude
18301550.31335
Surface area
1.9338159273873E+14
Volume
1.1122578947678E+21
Height
9962102.1710179