21539908 is an even 8-digits composite number following 21539907
and preceding 21539909 . In scientific notation, it is written as 2.1539908 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 9909024 positive integers (up to 21539908) that are relatively prime to 21539908.
21539908 has 24 divisors, whose sum is 40727232
The reverse of 21539908 is 80993512
Previous prime number is 887
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred thirty-nine thousand nine hundred eight
Scientific notation
2.1539908 × 10^7
Engineering notation
2.1539908 × 10^6
Prime Factorization
2 × 2 × 13 × 887 × 467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10769954
Product of the distinct prime numbers
The prime factorization of 21539908 is 2 × 2 × 13 × 887 × 467.
Since it has a total of 5 prime factors.
9 , 9 , 1 , 52 , 203 , 222 , 6606 , 4165 , 77124 , 20016 , 926586 , 716780 , 2041154 , 2626955 , 49148795 , 86966860 , 261603801 , 184821263 , 8569806018 , 8814222165
n×2
43079816
n×3
64619724
n×4
86159632
n×5
107699540
n÷2
10769954
n÷3
7179969.3333333
n÷3
5384977
n÷5
4307981.6
n2
463967636648464
n3
9.9938202083853E+21
n4
2.1526596785716E+29
n5
4.6368091431742E+36
2 √n
4641.1106429388
3 √n
278.23682870737
4 √n
68.125697375798
5 √n
29.285238737278
1 , 2 , 4 , 13 , 26 , 52 , 467 , 887 , 934 , 1774 , 1868 , 3548 , 6071 , 11531 , 12142 , 23062 , 24284 , 46124 , 414229 , 828458 , 1656916 , 5384977 , 10769954 , 21539908
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
-21539907
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 21539908 can be divided by 24 positive divisors.
The sum of these divisors (counting 21539908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001010110001000100
3
Ternary
1111112100012101
4
Quaternary
1102022301010
5
Quinary
21003234113
6
Senary
2045401444
8
Octal
122126104
10
Decimal
21539908
12
Duodecimal
7269284
16
Hexadecimal
148ac44
20
Vigesimal
6ec9f8
36
Base36
ctoas
md5
95027f22fbbcd5dd42140cce5e40300d
sha1
c489cfd0afb322deb54ec53afcd29d19fdc4a5f1
sha256
0d0ef0de1dd9bd2f8bfab436068a33f0132d19b2f3b62ab29339a56e87b68dbc
sha512
44d74e8e2bff7c0b8869928c19593215808f4dabbe3a9616c461d1bead543eb87241ac439acf6289c899659d271218452db0afb68c8db84340de8f13fb30eb47
ripemd-160
65509fe163160d40d3667303a4f8eb14cf60a6ef
Diameter
43079816
Circumference
135339233.4636
Area
1.4575973187982E+15
Volume
4.1862016197281E+22
Surface area
5.8303892751929E+15
Circumference
135339233.4636
Perimeter
86159632
Area
463967636648464
Diagonal
30462030.025869
Surface area
2783805819890784
Volume
9.9938202083853E+21
Space diagonal
37308215.046359
Perimeter
64619724
Area
2.009038799357E+14
Altitude
18654107.52318
Surface area
2.009038799357E+14
Volume
1.1777830065514E+21
Height
10154010.008623