12921609 is an odd 8-digits composite number following 12921608
and preceding 12921610 . In scientific notation, it is written as 1.2921609 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 8614404 positive integers (up to 12921609) that are relatively prime to 12921609.
12921609 has 4 divisors, whose sum is 17228816
The reverse of 12921609 is 90612921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million nine hundred twenty-one thousand six hundred nine
Scientific notation
1.2921609 × 10^7
Engineering notation
1.2921609 × 10^6
Prime Factorization
3 × 4307203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12921609
Product of the distinct prime numbers
The prime factorization of 12921609 is 3 × 4307203.
Since it has a total of 2 prime factors.
5 , 8 , 8 , 87 , 326 , 554 , 8187 , 1945 , 5876 , 47309 , 202300 , 705738 , 3891839 , 4931747 , 15887828 , 51195993 , 38092900 , 938231433 , 2486417617 , 9547165101
n×2
25843218
n×3
38764827
n×4
51686436
n×5
64608045
n÷2
6460804.5
n÷3
4307203
n÷3
3230402.25
n÷5
2584321.8
n2
166967979148881
n3
2.157494942082E+21
n4
2.7878306061061E+28
n5
3.6023257050336E+35
2 √n
3594.6639620415
3 √n
234.65989128847
4 √n
59.955516527185
5 √n
26.440113741164
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
-12921608
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 12921609 can be divided by 4 positive divisors.
The sum of these divisors (counting 12921609) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010010101100001001
3
Ternary
220022111010010
4
Quaternary
301102230021
5
Quinary
11301442414
6
Senary
1140542133
8
Octal
61225411
10
Decimal
12921609
12
Duodecimal
43b1949
16
Hexadecimal
c52b09
20
Vigesimal
40f409
36
Base36
7oydl
md5
f00453b4a8c8c350aeb8116090f15560
sha1
43d55644d83a19026cbca577eca5ffa5e474168a
sha256
5259e26db07f153d866fb52d35c2505f69cbdac5d7fb392007c173a6b82dc4cb
sha512
c8b8864002b53018366e23ae5aed4b9548fbe045600bd7fed4c1a40135e3ae6c09c616d0865bd1fc435a39619ee3cdb5802571c9c1c6478a857479db1b56f096
ripemd-160
f38963e561c5fda745561ca9a454445f7b1ca4ca
Diameter
25843218
Circumference
81188863.813919
Area
5.2454537667886E+14
Volume
9.0372936802692E+21
Surface area
2.0981815067154E+15
Circumference
81188863.813919
Perimeter
51686436
Area
166967979148881
Diagonal
18273914.695482
Surface area
1001807874893286
Volume
2.157494942082E+21
Space diagonal
22380883.303539
Perimeter
38764827
Area
72299255780741
Altitude
11190441.65177
Surface area
72299255780741
Volume
2.5426321732031E+20
Height
6091304.8984941