12661812 is an even 8-digits composite number following 12661811
and preceding 12661813 . In scientific notation, it is written as 1.2661812 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 4220568 positive integers (up to 12661812) that are relatively prime to 12661812.
12661812 has 12 divisors, whose sum is 22979040
The reverse of 12661812 is 21816621
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million six hundred sixty-one thousand eight hundred twelve
Scientific notation
1.2661812 × 10^7
Engineering notation
1.2661812 × 10^6
Prime Factorization
2 × 2 × 27 × 117239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6330906
Product of the distinct prime numbers
The prime factorization of 12661812 is 2 × 2 × 27 × 117239.
Since it has a total of 4 prime factors.
5 , 8 , 90 , 95 , 149 , 687 , 5202 , 9476 , 20867 , 87697 , 541499 , 854542 , 6074763 , 4920087 , 75549249 , 42504031 , 578915879 , 410538558 , 7581877977 , 2615859593
n×2
25323624
n×3
37985436
n×4
50647248
n×5
63309060
n÷2
6330906
n÷3
4220604
n÷3
3165453
n÷5
2532362.4
n2
160321483123344
n3
2.029960478869E+21
n4
2.5702977950869E+28
n5
3.2544627465404E+35
2 √n
3558.3439968615
3 √n
233.0765710747
4 √n
59.651856608671
5 √n
26.332929243039
1 , 2 , 4 , 27 , 54 , 108 , 117239 , 234478 , 468956 , 3165453 , 6330906 , 12661812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12661811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12661812 can be divided by 12 positive divisors.
The sum of these divisors (counting 12661812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000010011010000110100
3
Ternary
212211021202000
4
Quaternary
300103100310
5
Quinary
11220134222
6
Senary
1131215300
8
Octal
60232064
10
Decimal
12661812
12
Duodecimal
42a7530
16
Hexadecimal
c13434
20
Vigesimal
3j2eac
36
Base36
7jdx0
md5
fb4e2201a5f1a3836ed38c88243c3324
sha1
118e58c848f434cc0992664aa16108ec4f56b640
sha256
f590df31e108d5c0291257225c1391c941a144d390b62dbeb815eb12c42e43ca
sha512
0a678233abbb639697fcfb62314d034e93d9451572d8482701c6966c7d92d284323cfd893befd536b2da7ebd07ff562ee406fa73c56ce43f5d87072df9d16f81
ripemd-160
aa9a9fb87760ea38c9751c5c8e6d672e4f7bff39
Diameter
25323624
Circumference
79556511.12067
Area
5.0366479359292E+14
Volume
8.5030785699898E+21
Surface area
2.0146591743717E+15
Circumference
79556511.12067
Perimeter
50647248
Area
160321483123344
Diagonal
17906506.254618
Surface area
961928898740064
Volume
2.029960478869E+21
Space diagonal
21930901.699885
Perimeter
37985436
Area
69421238578607
Altitude
10965450.849943
Surface area
69421238578607
Volume
2.3923313669149E+20
Height
5968835.4182061