12881386 is an even 8-digits composite number following 12881385
and preceding 12881387 . In scientific notation, it is written as 1.2881386 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 5466384 positive integers (up to 12881386) that are relatively prime to 12881386.
12881386 has 8 divisors, whose sum is 19351044
The reverse of 12881386 is 68318821
Previous prime number is 721
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million eight hundred eighty-one thousand three hundred eighty-six
Scientific notation
1.2881386 × 10^7
Engineering notation
1.2881386 × 10^6
Prime Factorization
2 × 721 × 8933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12881386
Product of the distinct prime numbers
The prime factorization of 12881386 is 2 × 721 × 8933.
Since it has a total of 3 prime factors.
7 , 3 , 62 , 61 , 982 , 150 , 8134 , 2376 , 4664 , 12921 , 407363 , 127021 , 4259545 , 4924325 , 66683009 , 11688778 , 842789984 , 9229446 , 1203893426 , 6535386414
n×2
25762772
n×3
38644158
n×4
51525544
n×5
64406930
n÷2
6440693
n÷3
4293795.3333333
n÷3
3220346.5
n÷5
2576277.2
n2
165930105280996
n3
2.1374097351451E+21
n4
2.7532799838562E+28
n5
3.5466062238126E+35
2 √n
3589.0647806915
3 √n
234.41615137573
4 √n
59.908803866306
5 √n
26.423632397705
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
-12881385
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 12881386 can be divided by 8 positive divisors.
The sum of these divisors (counting 12881386) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001000110111101010
3
Ternary
220020102221101
4
Quaternary
301020313222
5
Quinary
11244201021
6
Senary
1140032014
8
Octal
61106752
10
Decimal
12881386
12
Duodecimal
439260a
16
Hexadecimal
c48dea
20
Vigesimal
40a396
36
Base36
7o3ca
md5
36fe481c1e4fd30757ea0dac216a6f82
sha1
3e0d3e9f4c91c4d656264a609a3d491829665666
sha256
45fc949f6115eb3aaa29cd59f0a8ae693c50d91e75d33758059adfed5c41de07
sha512
121f1441a474779ee91342f003271b92ad16381a0cdf465393def5aedd5840bb05685247983fe10f9ca9780e2b233ae049573bf7fd28b72007cb85e5959ab3fd
ripemd-160
0e814af517a260f1387cd14cf770074322ff6c7c
Diameter
25762772
Circumference
80936135.251309
Area
5.2128479976016E+14
Volume
8.9531609621911E+21
Surface area
2.0851391990406E+15
Circumference
80936135.251309
Perimeter
51525544
Area
165930105280996
Diagonal
18217030.783363
Surface area
995580631685976
Volume
2.1374097351451E+21
Space diagonal
22311215.023906
Perimeter
38644158
Area
71849843212984
Altitude
11155607.511953
Surface area
71849843212984
Volume
2.5189615298255E+20
Height
6072343.5944543