21479908 is an even 8-digits composite number following 21479907
and preceding 21479909 . In scientific notation, it is written as 2.1479908 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10108160 positive integers (up to 21479908) that are relatively prime to 21479908.
21479908 has 12 divisors, whose sum is 39801132
The reverse of 21479908 is 80997412
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred seventy-nine thousand nine hundred eight
Scientific notation
2.1479908 × 10^7
Engineering notation
2.1479908 × 10^6
Prime Factorization
2 × 2 × 17 × 315881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10739954
Product of the distinct prime numbers
The prime factorization of 21479908 is 2 × 2 × 17 × 315881.
Since it has a total of 4 prime factors.
6 , 7 , 50 , 49 , 835 , 332 , 4310 , 9855 , 25628 , 51343 , 49820 , 497210 , 9620227 , 9108913 , 66636990 , 65251400 , 125904464 , 343617189 , 7581835164 , 2925401104
n×2
42959816
n×3
64439724
n×4
85919632
n×5
107399540
n÷2
10739954
n÷3
7159969.3333333
n÷3
5369977
n÷5
4295981.6
n2
461386447688464
n3
9.910538448795E+21
n4
2.1287745411058E+29
n5
4.5725881295695E+36
2 √n
4634.6421652594
3 √n
277.97824303963
4 √n
68.078206242963
5 √n
29.268905562609
1 , 2 , 4 , 17 , 34 , 68 , 315881 , 631762 , 1263524 , 5369977 , 10739954 , 21479908
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
-21479907
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 21479908 can be divided by 12 positive divisors.
The sum of these divisors (counting 21479908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111100000111100100
3
Ternary
1111102021220011
4
Quaternary
1101330013210
5
Quinary
20444324113
6
Senary
2044220004
8
Octal
121740744
10
Decimal
21479908
12
Duodecimal
723a604
16
Hexadecimal
147c1e4
20
Vigesimal
6e4jf8
36
Base36
cse04
md5
77cc56a63c022badb7fc93118a30f489
sha1
3603bab68b2d8678ff64125bf4063a7a75c855f4
sha256
9f3ecc3ea80ada5d9faf7d7d852f2e22bb79d69f657e544db83e379f7349c959
sha512
b72b07f31246c4004afaeb221f75163b28c6ed30d9baabd5aeafd8d0fdcf614927bca79ac06afa72ef919c7779dda35b24b3ee2791521d31e14aa9aa0c0548ee
ripemd-160
70ae6317a102f94307aa4b8031b509358dd24f81
Diameter
42959816
Circumference
134962242.34517
Area
1.449488274524E+15
Volume
4.1513166378471E+22
Surface area
5.7979530980959E+15
Circumference
134962242.34517
Perimeter
85919632
Area
461386447688464
Diagonal
30377177.212126
Surface area
2768318686130784
Volume
9.910538448795E+21
Space diagonal
37204291.997905
Perimeter
64439724
Area
1.9978619233003E+14
Altitude
18602145.998953
Surface area
1.9978619233003E+14
Volume
1.1679681570588E+21
Height
10125725.737375