21493732 is an even 8-digits composite number following 21493731
and preceding 21493733 . In scientific notation, it is written as 2.1493732 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 9824928 positive integers (up to 21493732) that are relatively prime to 21493732.
21493732 has 24 divisors, whose sum is 40896576
The reverse of 21493732 is 23739412
Previous prime number is 3863
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-three thousand seven hundred thirty-two
Scientific notation
2.1493732 × 10^7
Engineering notation
2.1493732 × 10^6
Prime Factorization
2 × 2 × 13 × 3863 × 107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10746866
Product of the distinct prime numbers
The prime factorization of 21493732 is 2 × 2 × 13 × 3863 × 107.
Since it has a total of 5 prime factors.
1 , 6 , 20 , 29 , 538 , 275 , 3709 , 286 , 86614 , 66161 , 296349 , 636090 , 8061804 , 2219590 , 20725949 , 724686 , 386941500 , 423414557 , 7999453302 , 2931680343
n×2
42987464
n×3
64481196
n×4
85974928
n×5
107468660
n÷2
10746866
n÷3
7164577.3333333
n÷3
5373433
n÷5
4298746.4
n2
461980515287824
n3
9.9296853848184E+21
n4
2.134259965056E+29
n5
4.5873211707244E+36
2 √n
4636.1333026564
3 √n
278.03786382807
4 √n
68.089157012379
5 √n
29.272671958914
1 , 2 , 4 , 13 , 26 , 52 , 107 , 214 , 428 , 1391 , 2782 , 3863 , 5564 , 7726 , 15452 , 50219 , 100438 , 200876 , 413341 , 826682 , 1653364 , 5373433 , 10746866 , 21493732
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493731
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493732 can be divided by 24 positive divisors.
The sum of these divisors (counting 21493732) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111111011111100100
3
Ternary
1111102222212011
4
Quaternary
1101333133210
5
Quinary
21000244412
6
Senary
2044404004
8
Octal
121773744
10
Decimal
21493732
12
Duodecimal
7246604
16
Hexadecimal
147f7e4
20
Vigesimal
6e6e6c
36
Base36
csoo4
md5
f4cce4f51de03441f2022af853927688
sha1
b3048bf1d75a9bc9cec5a938b0e212f31dc36283
sha256
b67f4a12d697cb0df0a76a98190f38350ca329d791bd1ddb68bb3c7e531d4140
sha512
07249525f8548c2c9031d24d79e0def1605d60b923cdb2ea187bbe9b9024162625ce58547b88b0b33e2299fd4e8d590e78bd8dadb9af76ac9676bf708a5d3fb3
ripemd-160
f27179d4fafcd54fd2b36326fc7e806504415811
Diameter
42987464
Circumference
135049101.09886
Area
1.4513545929299E+15
Volume
4.1593368876538E+22
Surface area
5.8054183717194E+15
Circumference
135049101.09886
Perimeter
85974928
Area
461980515287824
Diagonal
30396727.300413
Surface area
2771883091726944
Volume
9.9296853848184E+21
Space diagonal
37228235.868269
Perimeter
64481196
Area
2.0004343114634E+14
Altitude
18614117.934135
Surface area
2.0004343114634E+14
Volume
1.170224645109E+21
Height
10132242.433471