12665881 is an odd 8-digits composite number following 12665880
and preceding 12665882 . In scientific notation, it is written as 1.2665881 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 12476772 positive integers (up to 12665881) that are relatively prime to 12665881.
12665881 has 4 divisors, whose sum is 12854992
The reverse of 12665881 is 18856621
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million six hundred sixty-five thousand eight hundred eighty-one
Scientific notation
1.2665881 × 10^7
Engineering notation
1.2665881 × 10^6
Prime Factorization
67 × 189043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12665881
Product of the distinct prime numbers
The prime factorization of 12665881 is 67 × 189043.
Since it has a total of 2 prime factors.
7 , 7 , 86 , 98 , 138 , 825 , 8000 , 5876 , 3310 , 60375 , 729298 , 372462 , 635344 , 9629428 , 11357075 , 83302991 , 997586668 , 895610256 , 6224497488 , 4152328149
n×2
25331762
n×3
37997643
n×4
50663524
n×5
63329405
n÷2
6332940.5
n÷3
4221960.3333333
n÷3
3166470.25
n÷5
2533176.2
n2
160424541506161
n3
2.0319181521966E+21
n4
2.5736033517462E+28
n5
3.2596953794418E+35
2 √n
3558.9157056609
3 √n
233.10153556358
4 √n
59.656648461516
5 √n
26.334621495592
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
-12665880
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 12665881 can be divided by 4 positive divisors.
The sum of these divisors (counting 12665881) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000010100010000011001
3
Ternary
212211111022201
4
Quaternary
300110100121
5
Quinary
11220302011
6
Senary
1131250201
8
Octal
60242031
10
Decimal
12665881
12
Duodecimal
42a9961
16
Hexadecimal
c14419
20
Vigesimal
3j34e1
36
Base36
7jh21
md5
75ef16851c6c7e7192647e4cfdb10187
sha1
6a246ad529272bcc300de411ac9fe96f7805c20f
sha256
dd194089edb5c5979f2762e7d4a20698fa08d82d73d0a1ec3362587a46a28237
sha512
03678ff74e8094f4aa0564a9c5e00d3948f8887ead1fee3fad7855b2be3c6c56ee1799a689c224908e6bc010859a5e2abe9db768ba22f694a9a5d9a64a3e639d
ripemd-160
114755f9a3bd000f74f4dfc03214a75db977c091
Diameter
25331762
Circumference
79582077.401685
Area
5.0398856105127E+14
Volume
8.5112788528488E+21
Surface area
2.0159542442051E+15
Circumference
79582077.401685
Perimeter
50663524
Area
160424541506161
Diagonal
17912260.689604
Surface area
962547249036966
Volume
2.0319181521966E+21
Space diagonal
21937949.414621
Perimeter
37997643
Area
69465864167403
Altitude
10968974.707311
Surface area
69465864167403
Volume
2.3946385070571E+20
Height
5970753.5632012