12478921 is an odd 8-digits composite number following 12478920
and preceding 12478922 . In scientific notation, it is written as 1.2478921 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 9873360 positive integers (up to 12478921) that are relatively prime to 12478921.
12478921 has 8 divisors, whose sum is 15358784
The reverse of 12478921 is 12987421
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million four hundred seventy-eight thousand nine hundred twenty-one
Scientific notation
1.2478921 × 10^7
Engineering notation
1.2478921 × 10^6
Prime Factorization
7 × 13 × 137131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12478921
Product of the distinct prime numbers
The prime factorization of 12478921 is 7 × 13 × 137131.
Since it has a total of 3 prime factors.
4 , 3 , 88 , 67 , 461 , 723 , 7768 , 5659 , 58829 , 70842 , 79682 , 220651 , 7270469 , 4671220 , 43757732 , 65437742 , 92367624 , 156641523 , 3317109498 , 5065272712
n×2
24957842
n×3
37436763
n×4
49915684
n×5
62394605
n÷2
6239460.5
n÷3
4159640.3333333
n÷3
3119730.25
n÷5
2495784.2
n2
155723469324241
n3
1.9432608715431E+21
n4
2.4249798898378E+28
n5
3.0261132471874E+35
2 √n
3532.5516273651
3 √n
231.94891488177
4 √n
59.435272585941
5 √n
26.256413730057
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
-12478920
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 12478921 can be divided by 8 positive divisors.
The sum of these divisors (counting 12478921) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111100110100111001001
3
Ternary
212110222212021
4
Quaternary
233212213021
5
Quinary
11143311141
6
Senary
1123244441
8
Octal
57464711
10
Decimal
12478921
12
Duodecimal
4219721
16
Hexadecimal
be69c9
20
Vigesimal
3hjh61
36
Base36
7fgsp
md5
2247cb82f04de5ef3ab61b7c33e7797b
sha1
65535d9e6568c509bd7d0bc03a9aeb1152cd667a
sha256
1ca4ad0eb9577df2da4c789ee8f66a22b09a79bef5ac9ac193f8fc0e1739af46
sha512
eb8c96216cfce887633cb0c0e880533ca00ac9ba958a21922634ad607ad5509a69320a8b09cf072d9fbfd2195015ca100acd4276da10588a3ce491839f7191e8
ripemd-160
7a69b410b2ee4f685f0dc4c77e5bafaeca8d64fb
Diameter
24957842
Circumference
78407373.076655
Area
4.8921970722055E+14
Volume
8.1399121040645E+21
Surface area
1.9568788288822E+15
Circumference
78407373.076655
Perimeter
49915684
Area
155723469324241
Diagonal
17647859.321982
Surface area
934340815945446
Volume
1.9432608715431E+21
Space diagonal
21614125.195638
Perimeter
37436763
Area
67430240200120
Altitude
10807062.597819
Surface area
67430240200120
Volume
2.2901548998044E+20
Height
5882619.7739941