12981491 is an odd 8-digits prime number following 12981490
and preceding 12981492 . In scientific notation, it is written as 1.2981491 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 12981490 positive integers (up to 12981491) that are relatively prime to 12981491.
12981491 has 2 divisors, whose sum is 12981492
The reverse of 12981491 is 19418921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million nine hundred eighty-one thousand four hundred ninety-one
Scientific notation
1.2981491 × 10^7
Engineering notation
1.2981491 × 10^6
Prime Factorization
12981491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12981491
Product of the distinct prime numbers
The prime factorization of 12981491 is 12981491.
Since it has a total of 1 prime factors.
4 , 4 , 45 , 71 , 910 , 766 , 8422 , 5849 , 92178 , 23500 , 337668 , 821241 , 3730588 , 7004901 , 32965009 , 21853339 , 315368712 , 345883286 , 9435530742 , 4991794700
n×2
25962982
n×3
38944473
n×4
51925964
n×5
64907455
n÷2
6490745.5
n÷3
4327163.6666667
n÷3
3245372.75
n÷5
2596298.2
n2
168519108583081
n3
2.1876292913993E+21
n4
2.8398689957636E+28
n5
3.6865733809685E+35
2 √n
3602.9836247199
3 √n
235.0218238371
4 √n
60.024858389837
5 √n
26.464574473336
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12981492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6490746
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3602.9837634938
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998459345
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981491 can be divided by 2 positive divisors.
The sum of these divisors (counting 12981491) is 12981492, the average is 6490746.
Base
System
Value
2
Binary
110001100001010011110011
3
Ternary
220102112020222
4
Quaternary
301201103303
5
Quinary
11310401431
6
Senary
1142123255
8
Octal
61412363
10
Decimal
12981491
12
Duodecimal
442052b
16
Hexadecimal
c614f3
20
Vigesimal
412deb
36
Base36
7q8kz
md5
20a5cb271a4d99cc135dab64914e7c1b
sha1
827470168322b07e75222f771c85c00a7cb646d5
sha256
34facde8b2b86beb6ba83461d584dd41f3c1dcfce968d4beb5130d6402b3c6f3
sha512
e15347d1d7c0dc985fd1e8921cd21e8d2766f601352f7b8bab83ba9111f64484acb8316baf3ad86cdea0cf0541ec8824470d9364b4dc573d76afe3568850b018
ripemd-160
193748d7535122b7a5e93e285894a72f615463d2
Diameter
25962982
Circumference
81565113.516484
Area
5.2941839351411E+14
Volume
9.1635201475171E+21
Surface area
2.1176735740564E+15
Circumference
81565113.516484
Perimeter
51925964
Area
168519108583081
Diagonal
18358600.632024
Surface area
1011114651498486
Volume
2.1876292913993E+21
Space diagonal
22484601.969998
Perimeter
38944473
Area
72970914528028
Altitude
11242300.984999
Surface area
72970914528028
Volume
2.5781458444513E+20
Height
6119533.5440081