12461981 is an odd 8-digits composite number following 12461980
and preceding 12461982 . In scientific notation, it is written as 1.2461981 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10681692 positive integers (up to 12461981) that are relatively prime to 12461981.
12461981 has 4 divisors, whose sum is 14242272
The reverse of 12461981 is 18916421
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million four hundred sixty-one thousand nine hundred eighty-one
Scientific notation
1.2461981 × 10^7
Engineering notation
1.2461981 × 10^6
Prime Factorization
7 × 1780283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12461981
Product of the distinct prime numbers
The prime factorization of 12461981 is 7 × 1780283.
Since it has a total of 2 prime factors.
9 , 2 , 49 , 69 , 638 , 525 , 4740 , 3089 , 12919 , 76684 , 801034 , 889178 , 201204 , 6016735 , 19257842 , 50541505 , 978349224 , 385631257 , 6438833265 , 7505826473
n×2
24923962
n×3
37385943
n×4
49847924
n×5
62309905
n÷2
6230990.5
n÷3
4153993.6666667
n÷3
3115495.25
n÷5
2492396.2
n2
155300970444361
n3
1.9353577429592E+21
n4
2.411839142096E+28
n5
3.0056293563857E+35
2 √n
3530.1531128267
3 √n
231.84391130773
4 √n
59.415091625165
5 √n
26.249281296715
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
-12461980
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 12461981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12461981) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010011110011101
3
Ternary
212110010121212
4
Quaternary
233202132131
5
Quinary
11142240411
6
Senary
1123034205
8
Octal
57423635
10
Decimal
12461981
12
Duodecimal
420b965
16
Hexadecimal
be279d
20
Vigesimal
3hhej1
36
Base36
7f3q5
md5
1d5cb4ee2075c294af392f54e50d04d5
sha1
0f55ecb373400e0e7ba6893c0ced71afe5d6a4db
sha256
1e6146f571a948399dfe3bddb50a7e28899daabd06eea7a93903cecd0d3ff6aa
sha512
6f87a3706ff6d666caf72b5479a25dbb736257fef90c8c499da5bad91b513155b9cb5dd44ee5ce5af9ed4004ea380717c3e794b9fc2235ac68874f792a635a60
ripemd-160
7edf4b57b39e6c7ac770367302ae615c7686e69d
Diameter
24923962
Circumference
78300935.917551
Area
4.8789238784337E+14
Volume
8.1068075564649E+21
Surface area
1.9515695513735E+15
Circumference
78300935.917551
Perimeter
49847924
Area
155300970444361
Diagonal
17623902.544236
Surface area
931805822666166
Volume
1.9353577429592E+21
Space diagonal
21584784.254958
Perimeter
37385943
Area
67247292818596
Altitude
10792392.127479
Surface area
67247292818596
Volume
2.2808409734472E+20
Height
5874634.1814119