12881491 is an odd 8-digits composite number following 12881490
and preceding 12881492 . In scientific notation, it is written as 1.2881491 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10832640 positive integers (up to 12881491) that are relatively prime to 12881491.
12881491 has 8 divisors, whose sum is 14999904
The reverse of 12881491 is 19418821
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million eight hundred eighty-one thousand four hundred ninety-one
Scientific notation
1.2881491 × 10^7
Engineering notation
1.2881491 × 10^6
Prime Factorization
7 × 53 × 34721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12881491
Product of the distinct prime numbers
The prime factorization of 12881491 is 7 × 53 × 34721.
Since it has a total of 3 prime factors.
1 , 3 , 42 , 46 , 581 , 165 , 4937 , 191 , 1469 , 58602 , 827600 , 77515 , 2866215 , 1777826 , 90911656 , 23906426 , 177989911 , 389794645 , 5474628426 , 9359534634
n×2
25762982
n×3
38644473
n×4
51525964
n×5
64407455
n÷2
6440745.5
n÷3
4293830.3333333
n÷3
3220372.75
n÷5
2576298.2
n2
165932810383081
n3
2.1374620035544E+21
n4
2.7533697561628E+28
n5
3.5467507733683E+35
2 √n
3589.0794084277
3 √n
234.41678830587
4 √n
59.908925949542
5 √n
26.423675474938
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
-12881490
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 12881491 can be divided by 8 positive divisors.
The sum of these divisors (counting 12881491) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001000111001010011
3
Ternary
220020110002021
4
Quaternary
301020321103
5
Quinary
11244201431
6
Senary
1140032311
8
Octal
61107123
10
Decimal
12881491
12
Duodecimal
4392697
16
Hexadecimal
c48e53
20
Vigesimal
40a3eb
36
Base36
7o3f7
md5
219ad8950039ef8618f7f490632aaeaf
sha1
0778226575c5e4b3a0001c2b914fbca9dbbc0a58
sha256
3bf2e01139c01dca8036b795200593fd099d981c3de2cc69c5cda3dfee583b87
sha512
e57e4df8b2dd3b3135dd38b8ee5922a53f5aec6180d557ad33d06c532b4d2f990eff1ddeb4e58e876d417bf48ae7d4179b4858488978fbee3243843d062997cf
ripemd-160
77bf59416591731dbd1d7d816f540d271f32ce32
Diameter
25762982
Circumference
80936794.985766
Area
5.21293298089E+14
Volume
8.9533799035916E+21
Surface area
2.085173192356E+15
Circumference
80936794.985766
Perimeter
51525964
Area
165932810383081
Diagonal
18217179.275787
Surface area
995596862298486
Volume
2.1374620035544E+21
Space diagonal
22311396.889241
Perimeter
38644473
Area
71851014556547
Altitude
11155698.444621
Surface area
71851014556547
Volume
2.5190231287365E+20
Height
6072393.091929