81296392 is an even 8-digits composite number following 81296391
and preceding 81296393 . In scientific notation, it is written as 8.1296392 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 40616640 positive integers (up to 81296392) that are relatively prime to 81296392.
81296392 has 16 divisors, whose sum is 152549100
The reverse of 81296392 is 29369218
Previous prime number is 1621
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million two hundred ninety-six thousand three hundred ninety-two
Scientific notation
8.1296392 × 10^7
Engineering notation
8.1296392 × 10^6
Prime Factorization
2 × 2 × 2 × 1621 × 6269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20324098
Product of the distinct prime numbers
The prime factorization of 81296392 is 2 × 2 × 2 × 1621 × 6269.
Since it has a total of 5 prime factors.
10 , 9 , 6 , 75 , 977 , 238 , 2722 , 5423 , 51930 , 91149 , 511044 , 975143 , 8901775 , 6123397 , 21285317 , 19880275 , 398898454 , 8304651 , 546684117 , 5517806526
n×2
162592784
n×3
243889176
n×4
325185568
n×5
406481960
n÷2
40648196
n÷3
27098797.333333
n÷3
20324098
n÷5
16259278.4
n2
6609103352217664
n3
5.372962568904E+23
n4
4.3680247120295E+31
n5
3.5510464925484E+39
2 √n
9016.4511865811
3 √n
433.2019709647
4 √n
94.954995585178
5 √n
38.195680715239
1 , 2 , 4 , 8 , 1621 , 3242 , 6269 , 6484 , 12538 , 12968 , 25076 , 50152 , 10162049 , 20324098 , 40648196 , 81296392
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81296391
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81296392 can be divided by 16 positive divisors.
The sum of these divisors (counting 81296392) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110000111110000001000
3
Ternary
12122222021200111
4
Quaternary
10312013300020
5
Quinary
131302441032
6
Senary
12022244104
8
Octal
466076010
10
Decimal
81296392
12
Duodecimal
23286634
16
Hexadecimal
4d87c08
20
Vigesimal
15820jc
36
Base36
1cegp4
md5
b349414d056ff4f63e2c2fc1e11edb7e
sha1
82964e299168bd09eccf46b99f71f4b411279131
sha256
ac28187d5e424f83a81eaf76e47a97baf70da9afaf2de038c0b76d483271ab01
sha512
8b833edf63ccc11d9648296ced3b9f215c96660af74588571c638f1906c1670da40668a7b56fdc67651d1cc1b056ece3c51324045243bcb33e1c9d324fc52aae
ripemd-160
ff4b852ce869a40125689d5adef614fd103709ae
Diameter
162592784
Circumference
510800295.74111
Area
2.0763110538143E+16
Volume
2.2506212979309E+24
Surface area
8.3052442152571E+16
Circumference
510800295.74111
Perimeter
325185568
Area
6609103352217664
Diagonal
114970460.1384
Surface area
39654620113305984
Volume
5.372962568904E+23
Space diagonal
140809481.41604
Perimeter
243889176
Area
2.8618256996287E+15
Altitude
70404740.708018
Surface area
2.8618256996287E+15
Volume
6.3320971125559E+22
Height
38323486.7128