12881231 is an odd 8-digits composite number following 12881230
and preceding 12881232 . In scientific notation, it is written as 1.2881231 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 11647000 positive integers (up to 12881231) that are relatively prime to 12881231.
12881231 has 8 divisors, whose sum is 14128128
The reverse of 12881231 is 13218821
Previous prime number is 6131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million eight hundred eighty-one thousand two hundred thirty-one
Scientific notation
1.2881231 × 10^7
Engineering notation
1.2881231 × 10^6
Prime Factorization
11 × 6131 × 191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12881231
Product of the distinct prime numbers
The prime factorization of 12881231 is 11 × 6131 × 191.
Since it has a total of 3 prime factors.
4 , 4 , 32 , 71 , 811 , 157 , 6858 , 2534 , 5279 , 22555 , 610547 , 782913 , 8934065 , 3019460 , 70871363 , 81500815 , 494827981 , 84674133 , 2621144726 , 6743630607
n×2
25762462
n×3
38643693
n×4
51524924
n×5
64406155
n÷2
6440615.5
n÷3
4293743.6666667
n÷3
3220307.75
n÷5
2576246.2
n2
165926112075361
n3
2.1373325785746E+21
n4
2.7531474668445E+28
n5
3.5463928497489E+35
2 √n
3589.0431872576
3 √n
234.4152111392
4 √n
59.90862364683
5 √n
26.42356880699
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
-12881230
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 12881231 can be divided by 8 positive divisors.
The sum of these divisors (counting 12881231) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001000110101001111
3
Ternary
220020102201122
4
Quaternary
301020311033
5
Quinary
11244144411
6
Senary
1140031155
8
Octal
61106517
10
Decimal
12881231
12
Duodecimal
43924bb
16
Hexadecimal
c48d4f
20
Vigesimal
40a31b
36
Base36
7o37z
md5
b35c69c5871a4b2fc4263d8a12057c0d
sha1
208562cd3775545d0ce23d5f7b3b8dc202b17eec
sha256
0dfe5f7c4450eb9d18ed77f0603dbcc116fa9a1098d5953334b4aa6bdb453c27
sha512
c8e67e9717fc86afebb0cb4fed1f933fd29df99a54facc350319c30a58b1d7b9a066a06532930c7a7d885806494e52afda8f839bc907d61ad5cf8835bd44aa44
ripemd-160
79afde5277c1a7a80ee964c1237d6cd080d0074e
Diameter
25762462
Circumference
80935161.357586
Area
5.2127225473467E+14
Volume
8.9528377695042E+21
Surface area
2.0850890189387E+15
Circumference
80935161.357586
Perimeter
51524924
Area
165926112075361
Diagonal
18216811.580261
Surface area
995556672452166
Volume
2.1373325785746E+21
Space diagonal
22310946.556031
Perimeter
38643693
Area
71848114104223
Altitude
11155473.278016
Surface area
71848114104223
Volume
2.5188705999351E+20
Height
6072270.5267536