12912478 is an even 8-digits composite number following 12912477
and preceding 12912479 . In scientific notation, it is written as 1.2912478 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 6456238 positive integers (up to 12912478) that are relatively prime to 12912478.
12912478 has 4 divisors, whose sum is 19368720
The reverse of 12912478 is 87421921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred twelve thousand four hundred seventy-eight
Scientific notation
1.2912478 × 10^7
Engineering notation
1.2912478 × 10^6
Prime Factorization
2 × 6456239
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12912478
Product of the distinct prime numbers
The prime factorization of 12912478 is 2 × 6456239.
Since it has a total of 2 prime factors.
10 , 3 , 86 , 18 , 108 , 778 , 8354 , 9426 , 40538 , 72408 , 143941 , 390895 , 9552669 , 6691748 , 8040154 , 6412097 , 397741556 , 2059880 , 477768825 , 5434193304
n×2
25824956
n×3
38737434
n×4
51649912
n×5
64562390
n÷2
6456239
n÷3
4304159.3333333
n÷3
3228119.5
n÷5
2582495.6
n2
166732088100484
n3
2.1529244194916E+21
n4
2.7799589202348E+28
n5
3.5896158398435E+35
2 √n
3593.3936605944
3 √n
234.60460445923
4 √n
59.944921891636
5 √n
26.436375925724
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
-12912477
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 12912478 can be divided by 4 positive divisors.
The sum of these divisors (counting 12912478) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010000011101011110
3
Ternary
220022000120221
4
Quaternary
301100131132
5
Quinary
11301144403
6
Senary
1140431554
8
Octal
61203536
10
Decimal
12912478
12
Duodecimal
43a85ba
16
Hexadecimal
c5075e
20
Vigesimal
40e13i
36
Base36
7orby
md5
617043f2a2e47eaf13e7d2795673f045
sha1
12285e85a49e7814a7ba4d0a536c6554e7b1a6ca
sha256
722a3adcd6f67002ff9da03750ff52761df62af2bb027030382c08d98cf021cd
sha512
4d6ede53c6b8bd1dd941b820176baeed7eec8c5873401fef1fb989fa50a8cfebfb0451d6d05b5098577ea96da4edfeb042c7d2308b2cdbbdd7c921f5c8aec2fc
ripemd-160
e31864e26886ab1619be8f346437d40531cd5cb4
Diameter
25824956
Circumference
81131492.04888
Area
5.2380430309417E+14
Volume
9.0181487200117E+21
Surface area
2.0952172123767E+15
Circumference
81131492.04888
Perimeter
51649912
Area
166732088100484
Diagonal
18261001.511444
Surface area
1000392528602904
Volume
2.1529244194916E+21
Space diagonal
22365067.947615
Perimeter
38737434
Area
72197111960522
Altitude
11182533.973808
Surface area
72197111960522
Volume
2.5372457606743E+20
Height
6087000.5038147