21479912 is an even 8-digits composite number following 21479911
and preceding 21479913 . In scientific notation, it is written as 2.1479912 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors.
There are 10739952 positive integers (up to 21479912) that are relatively prime to 21479912.
21479912 has 8 divisors, whose sum is 40274850
The reverse of 21479912 is 21997412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred seventy-nine thousand nine hundred twelve
Scientific notation
2.1479912 × 10^7
Engineering notation
2.1479912 × 10^6
Prime Factorization
2 × 2 × 2 × 2684989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5369978
Product of the distinct prime numbers
The prime factorization of 21479912 is 2 × 2 × 2 × 2684989.
Since it has a total of 4 prime factors.
3 , 1 , 9 , 74 , 683 , 150 , 1345 , 6225 , 63738 , 68563 , 754677 , 61523 , 1263084 , 5254812 , 62323503 , 97790682 , 572931000 , 151816106 , 3205136980 , 5751411723
n×2
42959824
n×3
64439736
n×4
85919648
n×5
107399560
n÷2
10739956
n÷3
7159970.6666667
n÷3
5369978
n÷5
4295982.4
n2
461386619527744
n3
9.9105439854334E+21
n4
2.1287761267924E+29
n5
4.5725923871201E+36
2 √n
4634.6425967921
3 √n
277.97826029471
4 √n
68.078209412352
5 √n
29.268906652703
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21479911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21479912 can be divided by 8 positive divisors.
The sum of these divisors (counting 21479912) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111100000111101000
3
Ternary
1111102021220022
4
Quaternary
1101330013220
5
Quinary
20444324122
6
Senary
2044220012
8
Octal
121740750
10
Decimal
21479912
12
Duodecimal
723a608
16
Hexadecimal
147c1e8
20
Vigesimal
6e4jfc
36
Base36
cse08
md5
602074397f877cdc92fc139dbfa1267f
sha1
a2d95207726dc333236142108fd3af8be73fea4c
sha256
451572de4dd6274ba240eae13ba767129f82fbf591e186be7db226fd88e73a4b
sha512
5fed11713d1e81578fdbf72921de3d97484360d19c0674a9711cc08ea1d4a4a62a3b2e08e89103c1112bcef04e14fb3a5e78fc99a1464f8891b09ba008978de5
ripemd-160
841977571a1ffab2e920ec6e949bdfcfb294afba
Diameter
42959824
Circumference
134962267.47791
Area
1.449488814373E+15
Volume
4.1513189570288E+22
Surface area
5.797955257492E+15
Circumference
134962267.47791
Perimeter
85919648
Area
461386619527744
Diagonal
30377182.868981
Surface area
2768319717166464
Volume
9.9105439854334E+21
Space diagonal
37204298.926108
Perimeter
64439736
Area
1.9978626673863E+14
Altitude
18602149.463054
Surface area
1.9978626673863E+14
Volume
1.1679688095579E+21
Height
10125727.622994