21461539 is an odd 8-digits composite number following 21461538
and preceding 21461540 . In scientific notation, it is written as 2.1461539 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 19510480 positive integers (up to 21461539) that are relatively prime to 21461539.
21461539 has 4 divisors, whose sum is 23412600
The reverse of 21461539 is 93516412
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred sixty-one thousand five hundred thirty-nine
Scientific notation
2.1461539 × 10^7
Engineering notation
2.1461539 × 10^6
Prime Factorization
11 × 1951049
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21461539
Product of the distinct prime numbers
The prime factorization of 21461539 is 11 × 1951049.
Since it has a total of 2 prime factors.
6 , 8 , 89 , 71 , 67 , 941 , 397 , 5165 , 31391 , 50016 , 662989 , 492092 , 8632675 , 4948251 , 97239493 , 16078102 , 133332186 , 929881533 , 9102378020 , 7355145719
n×2
42923078
n×3
64384617
n×4
85846156
n×5
107307695
n÷2
10730769.5
n÷3
7153846.3333333
n÷3
5365384.75
n÷5
4292307.8
n2
460597656248521
n3
9.8851345628862E+21
n4
2.1215020094163E+29
n5
4.5530698113666E+36
2 √n
4632.6600350123
3 √n
277.8989807729
4 √n
68.063646941758
5 √n
29.263897863967
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21461538
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21461539 can be divided by 4 positive divisors.
The sum of these divisors (counting 21461539) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110111101000100011
3
Ternary
1111101100200211
4
Quaternary
1101313220203
5
Quinary
20443232124
6
Senary
2043554551
8
Octal
121675043
10
Decimal
21461539
12
Duodecimal
722ba57
16
Hexadecimal
1477a23
20
Vigesimal
6e2dgj
36
Base36
crztv
md5
fecbacd3031052c403ced054a1dbaf9f
sha1
96045027a49e92e41e3fda5213d5c931bf0e84e5
sha256
897d9f5c05ddda6ec246e63e13ee78ffb265367e63823f2011058a8861026fb7
sha512
1cab549b198b06650791d490ebc3fb3a39858b099a82c84448f4e20dcd6dd82f56a474c90d656cb070e62ff36180477bc11ae7fe69b434ef31d4254b78d22d13
ripemd-160
40a9358bc976713a59c73b46ad30d4bb2b04d2cc
Diameter
42923078
Circumference
134846826.51426
Area
1.447010213131E+15
Volume
4.1406754830013E+22
Surface area
5.7880408525241E+15
Circumference
134846826.51426
Perimeter
85846156
Area
460597656248521
Diagonal
30351199.523199
Surface area
2763585937491126
Volume
9.8851345628862E+21
Space diagonal
37172475.956621
Perimeter
64384617
Area
1.994446356174E+14
Altitude
18586237.97831
Surface area
1.994446356174E+14
Volume
1.1649742803931E+21
Height
10117066.507733