12345981 is an odd 8-digits composite number following 12345980
and preceding 12345982 . In scientific notation, it is written as 1.2345981 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 8153520 positive integers (up to 12345981) that are relatively prime to 12345981.
12345981 has 8 divisors, whose sum is 16615584
The reverse of 12345981 is 18954321
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million three hundred forty-five thousand nine hundred eighty-one
Scientific notation
1.2345981 × 10^7
Engineering notation
1.2345981 × 10^6
Prime Factorization
107 × 3 × 38461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12345981
Product of the distinct prime numbers
The prime factorization of 12345981 is 107 × 3 × 38461.
Since it has a total of 3 prime factors.
9 , 8 , 7 , 26 , 419 , 324 , 4121 , 8408 , 73314 , 24413 , 288862 , 171868 , 1183617 , 6425654 , 99564508 , 17949072 , 262012737 , 987240573 , 1963402129 , 1931224268
n×2
24691962
n×3
37037943
n×4
49383924
n×5
61729905
n÷2
6172990.5
n÷3
4115327
n÷3
3086495.25
n÷5
2469196.2
n2
152423246852361
n3
1.8818145095976E+21
n4
2.3232846181016E+28
n5
2.8683227752674E+35
2 √n
3513.6848179653
3 √n
231.12230924708
4 √n
59.276342818744
5 √n
26.20023102811
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
-12345980
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 12345981 can be divided by 8 positive divisors.
The sum of these divisors (counting 12345981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111000110001001111101
3
Ternary
212020020111120
4
Quaternary
233012021331
5
Quinary
11130032411
6
Senary
1120341153
8
Octal
57061175
10
Decimal
12345981
12
Duodecimal
41747b9
16
Hexadecimal
bc627d
20
Vigesimal
3h34j1
36
Base36
7cm7x
md5
775ae37c3cd9f610ed8b9ad0fb5c3f3f
sha1
bfadac3070eec75f274c31c32fd6aba1d9eaa18d
sha256
998581e1000004987108b65be840efd3857f43688ebe8832f5dd02fc667217d0
sha512
009c44f771dfaa76dfc3c7776132e20acb50e53cd65b1a014102fd4ce13377e37af4aa73c4b04e9bebbc84cad36c19409667e288e589354af39f936444a0795d
ripemd-160
b400e2a8ac2521e7799805208b07e6c2e210f318
Diameter
24691962
Circumference
77572086.421918
Area
4.7885175254768E+14
Volume
7.8825261850272E+21
Surface area
1.9154070101907E+15
Circumference
77572086.421918
Perimeter
49383924
Area
152423246852361
Diagonal
17459853.771001
Surface area
914539481114166
Volume
1.8818145095976E+21
Space diagonal
21383866.36128
Perimeter
37037943
Area
66001201950726
Altitude
10691933.18064
Surface area
66001201950726
Volume
2.2177396677861E+20
Height
5819951.2570002