21132428 is an even 8-digits composite number following 21132427
and preceding 21132429 . In scientific notation, it is written as 2.1132428 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 9944640 positive integers (up to 21132428) that are relatively prime to 21132428.
21132428 has 12 divisors, whose sum is 39157272
The reverse of 21132428 is 82423112
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred thirty-two thousand four hundred twenty-eight
Scientific notation
2.1132428 × 10^7
Engineering notation
2.1132428 × 10^6
Prime Factorization
2 × 2 × 17 × 310771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10566214
Product of the distinct prime numbers
The prime factorization of 21132428 is 2 × 2 × 17 × 310771.
Since it has a total of 4 prime factors.
10 , 10 , 44 , 47 , 398 , 379 , 4640 , 7202 , 56512 , 63090 , 672901 , 329476 , 598816 , 7122130 , 49473533 , 41305765 , 975145891 , 603493849 , 4384491185 , 2008434815
n×2
42264856
n×3
63397284
n×4
84529712
n×5
105662140
n÷2
10566214
n÷3
7044142.6666667
n÷3
5283107
n÷5
4226485.6
n2
446579513175184
n3
9.4373094084496E+21
n4
1.9943326158778E+29
n5
4.214509041309E+36
2 √n
4597.0020665647
3 √n
276.47113747039
4 √n
67.801195170621
5 √n
29.173590297136
1 , 2 , 4 , 17 , 34 , 68 , 310771 , 621542 , 1243084 , 5283107 , 10566214 , 21132428
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
-21132427
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 21132428 can be divided by 12 positive divisors.
The sum of these divisors (counting 21132428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111010010001100
3
Ternary
1110202122020112
4
Quaternary
1100213102030
5
Quinary
20402214203
6
Senary
2032535152
8
Octal
120472214
10
Decimal
21132428
12
Duodecimal
70b14b8
16
Hexadecimal
142748c
20
Vigesimal
6c1b18
36
Base36
ckxvw
md5
4e0e5c17dc855a8475409985ae2131a7
sha1
3ed6ecfd5b73976707943706cc166be625745477
sha256
dac507d91497096aee058e5de6905a78f4de9b3432019aa1a4d9584f8305512b
sha512
5ec8dcfb46768fc32590a07d40cb2a09d2838a492debfcf09b6c66dbee094cf5854f10f9857a09c2808c2ede9f9c8a9f701313d651042c3cc6381a89b3e3dd7e
ripemd-160
52664aa2f5cfe34b2546683f0672ea5ad645639d
Diameter
42264856
Circumference
132778961.11463
Area
1.4029709178349E+15
Volume
3.9530909209652E+22
Surface area
5.6118836713395E+15
Circumference
132778961.11463
Perimeter
84529712
Area
446579513175184
Diagonal
29885766.283473
Surface area
2679477079051104
Volume
9.4373094084496E+21
Space diagonal
36602438.983291
Perimeter
63397284
Area
1.933746016097E+14
Altitude
18301219.491646
Surface area
1.933746016097E+14
Volume
1.1121975798117E+21
Height
9961922.094491