12881431 is an odd 8-digits composite number following 12881430
and preceding 12881432 . In scientific notation, it is written as 1.2881431 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 12397920 positive integers (up to 12881431) that are relatively prime to 12881431.
12881431 has 8 divisors, whose sum is 13374144
The reverse of 12881431 is 13418821
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million eight hundred eighty-one thousand four hundred thirty-one
Scientific notation
1.2881431 × 10^7
Engineering notation
1.2881431 × 10^6
Prime Factorization
47 × 61 × 4493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12881431
Product of the distinct prime numbers
The prime factorization of 12881431 is 47 × 61 × 4493.
Since it has a total of 3 prime factors.
7 , 8 , 34 , 15 , 263 , 324 , 7690 , 4599 , 87494 , 59375 , 296566 , 774656 , 5139986 , 8754996 , 184295 , 61445233 , 863750124 , 454220306 , 9418149822 , 7546236665
n×2
25762862
n×3
38644293
n×4
51525724
n×5
64407155
n÷2
6440715.5
n÷3
4293810.3333333
n÷3
3220357.75
n÷5
2576286.2
n2
165931264607761
n3
2.1374321357876E+21
n4
2.7533184574331E+28
n5
3.5466681730451E+35
2 √n
3589.0710497286
3 √n
234.41642434622
4 √n
59.908856187784
5 √n
26.423650859411
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
-12881430
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 12881431 can be divided by 8 positive divisors.
The sum of these divisors (counting 12881431) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001000111000010111
3
Ternary
220020110000001
4
Quaternary
301020320113
5
Quinary
11244201211
6
Senary
1140032131
8
Octal
61107027
10
Decimal
12881431
12
Duodecimal
4392647
16
Hexadecimal
c48e17
20
Vigesimal
40a3bb
36
Base36
7o3dj
md5
a6f43cf24828efc6021e6619d0e9ea96
sha1
23338828b48d938a4ea16b4b8213ae38cfed5b7e
sha256
9969420d679bd3627c70bc792ce1a76aa12c21890d1204e2b06eb538e821a628
sha512
c6584b19dde17192751394115cc442bc18171118566418e898b4df00962faa5e80583a6fdd758e15c35f0d88657aa7814970cb54a5ff5a9a3ea280e4c899d256
ripemd-160
df6c424c0692ca242c8bade72abb11e83f62eb44
Diameter
25762862
Circumference
80936417.994648
Area
5.2128844189261E+14
Volume
8.9532547937828E+21
Surface area
2.0851537675704E+15
Circumference
80936417.994648
Perimeter
51525724
Area
165931264607761
Diagonal
18217094.422973
Surface area
995587587646566
Volume
2.1374321357876E+21
Space diagonal
22311292.966193
Perimeter
38644293
Area
71850345216199
Altitude
11155646.483096
Surface area
71850345216199
Volume
2.5189879292358E+20
Height
6072364.8076577