12542915 is an odd 8-digits composite number following 12542914
and preceding 12542916 . In scientific notation, it is written as 1.2542915 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 7818720 positive integers (up to 12542915) that are relatively prime to 12542915.
12542915 has 16 divisors, whose sum is 18766080
The reverse of 12542915 is 51924521
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million five hundred forty-two thousand nine hundred fifteen
Scientific notation
1.2542915 × 10^7
Engineering notation
1.2542915 × 10^6
Prime Factorization
7 × 5 × 11 × 32579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12542915
Product of the distinct prime numbers
The prime factorization of 12542915 is 7 × 5 × 11 × 32579.
Since it has a total of 4 prime factors.
9 , 6 , 9 , 30 , 280 , 440 , 4442 , 7514 , 83737 , 24143 , 363808 , 347529 , 3204009 , 4939009 , 78517676 , 21833802 , 358600299 , 501194960 , 6750480047 , 1263544979
n×2
25085830
n×3
37628745
n×4
50171660
n×5
62714575
n÷2
6271457.5
n÷3
4180971.6666667
n÷3
3135728.75
n÷5
2508583
n2
157324716697225
n3
1.9733105489324E+21
n4
2.4751066483862E+28
n5
3.1045052306643E+35
2 √n
3541.5978032521
3 √n
232.34473002894
4 √n
59.51132499997
5 √n
26.283288118632
1 , 5 , 7 , 11 , 35 , 55 , 77 , 385 , 32579 , 162895 , 228053 , 358369 , 1140265 , 1791845 , 2508583 , 12542915
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12542914
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12542915 can be divided by 16 positive divisors.
The sum of these divisors (counting 12542915) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111110110001111000011
3
Ternary
212121020122102
4
Quaternary
233312033003
5
Quinary
11202333130
6
Senary
1124501015
8
Octal
57661703
10
Decimal
12542915
12
Duodecimal
424a76b
16
Hexadecimal
bf63c3
20
Vigesimal
3i7h5f
36
Base36
7gu6b
md5
395e51603fb13438e9bafd971f6690bf
sha1
85b26b1aa7696a1bf691430e81227e9427139094
sha256
7a99298572490b9ad53d5af362cc5e274896d213a2ca6d1d086d157c4d2acbb8
sha512
c3d47c7e874c9120b1b081e63b691bf7b0a2e1d865ce3e4cb5b1497ea9da9c84604548b29ef87e88ca5ac7c5703198420357b8493b31f6035c551828b99607c0
ripemd-160
11f71fec10b2f7dcff46385e9b4961413428af09
Diameter
25085830
Circumference
78809459.237202
Area
4.942501742041E+14
Volume
8.2657838983696E+21
Surface area
1.9770006968164E+15
Circumference
78809459.237202
Perimeter
50171660
Area
157324716697225
Diagonal
17738360.504693
Surface area
943948300183350
Volume
1.9733105489324E+21
Space diagonal
21724966.055018
Perimeter
37628745
Area
68123600651493
Altitude
10862483.027509
Surface area
68123600651493
Volume
2.3255687842284E+20
Height
5912786.8348976