12487145 is an odd 8-digits composite number following 12487144
and preceding 12487146 . In scientific notation, it is written as 1.2487145 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 8976000 positive integers (up to 12487145) that are relatively prime to 12487145.
12487145 has 8 divisors, whose sum is 12862080
The reverse of 12487145 is 54178421
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million four hundred eighty-seven thousand one hundred forty-five
Scientific notation
1.2487145 × 10^7
Engineering notation
1.2487145 × 10^6
Prime Factorization
55 × 89 × 2551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12487145
Product of the distinct prime numbers
The prime factorization of 12487145 is 55 × 89 × 2551.
Since it has a total of 3 prime factors.
2 , 8 , 67 , 28 , 429 , 91 , 7207 , 2622 , 68753 , 98555 , 920506 , 43301 , 2989972 , 4741538 , 15690383 , 65654176 , 477467681 , 634656836 , 1519340691 , 9642812223
n×2
24974290
n×3
37461435
n×4
49948580
n×5
62435725
n÷2
6243572.5
n÷3
4162381.6666667
n÷3
3121786.25
n÷5
2497429
n2
155928790251025
n3
1.9471054135391E+21
n4
2.4313787629148E+28
n5
3.0360979162438E+35
2 √n
3533.7154667573
3 √n
231.99985756036
4 √n
59.445062593603
5 √n
26.259873578011
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
-12487144
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 12487145 can be divided by 8 positive divisors.
The sum of these divisors (counting 12487145) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111101000100111101001
3
Ternary
212111102010212
4
Quaternary
233220213221
5
Quinary
11144042040
6
Senary
1123350505
8
Octal
57504751
10
Decimal
12487145
12
Duodecimal
4222435
16
Hexadecimal
be89e9
20
Vigesimal
3i0hh5
36
Base36
7fn55
md5
317f74a99ac94fddeff4f44499a15d50
sha1
ac8617258701553869b0070673fc638fb615f771
sha256
881ba4789a12b6c40196bfa900485ddb183a735e4e1751051f0dae4b1b16fe35
sha512
5c91780b0477ea5d14389b52441820b1c25d08cde609431e93582703b2d16ff367ab33f9d3c89aa49f2f0f3b861fb07a492152f165011eda7a891d897af4c1d2
ripemd-160
ad73581475a351e87f49b98eea013fede5df843c
Diameter
24974290
Circumference
78459045.992621
Area
4.8986474193576E+14
Volume
8.1560160839193E+21
Surface area
1.9594589677431E+15
Circumference
78459045.992621
Perimeter
49948580
Area
155928790251025
Diagonal
17659489.814319
Surface area
935572741506150
Volume
1.9471054135391E+21
Space diagonal
21628369.58148
Perimeter
37461435
Area
67519146769381
Altitude
10814184.79074
Surface area
67519146769381
Volume
2.2946857359976E+20
Height
5886496.6047731