81796239 is an odd 8-digits composite number following 81796238
and preceding 81796240 . In scientific notation, it is written as 8.1796239 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 46738944 positive integers (up to 81796239) that are relatively prime to 81796239.
81796239 has 24 divisors, whose sum is 137789600
The reverse of 81796239 is 93269718
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-one million seven hundred ninety-six thousand two hundred thirty-nine
Scientific notation
8.1796239 × 10^7
Engineering notation
8.1796239 × 10^6
Prime Factorization
3 × 3 × 49 × 7 × 26497
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27265413
Product of the distinct prime numbers
The prime factorization of 81796239 is 3 × 3 × 49 × 7 × 26497.
Since it has a total of 5 prime factors.
6 , 5 , 13 , 62 , 923 , 232 , 2809 , 6936 , 78669 , 42744 , 987633 , 393503 , 3534962 , 1857935 , 40644731 , 72968016 , 740886010 , 986596757 , 3311220320 , 3917609569
n×2
163592478
n×3
245388717
n×4
327184956
n×5
408981195
n÷2
40898119.5
n÷3
27265413
n÷3
20449059.75
n÷5
16359247.8
n2
6690624714545121
n3
5.4726793821024E+23
n4
4.4764459070882E+31
n5
3.6615643928676E+39
2 √n
9044.1273210852
3 √n
434.08799811184
4 √n
95.100616828101
5 √n
38.242534490501
1 , 3 , 7 , 9 , 21 , 49 , 63 , 147 , 343 , 441 , 1029 , 3087 , 26497 , 79491 , 185479 , 238473 , 556437 , 1298353 , 1669311 , 3895059 , 9088471 , 11685177 , 27265413 , 81796239
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81796238
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81796239 can be divided by 24 positive divisors.
The sum of these divisors (counting 81796239) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111000000001110010001111
3
Ternary
12200220200100100
4
Quaternary
10320001302033
5
Quinary
131414434424
6
Senary
12041102143
8
Octal
470016217
10
Decimal
81796239
12
Duodecimal
23487953
16
Hexadecimal
4e01c8f
20
Vigesimal
15b4abj
36
Base36
1cp6dr
md5
98fcfc19d587963715f1de0d47e49f66
sha1
ceb62422c0d4f3f89f324d04aa37a1144e62ee6b
sha256
c2dbe60113de3cd81cbb63a5d7b48155f23165ecd8ed86eeb9aa7b128553ca9e
sha512
e90029a659f6acaa308ba4de3a72c54caa5b7663669f2f713c0558446c2d8d05e0f41d19562029771192dce50a8b104d4ed54b786ff1efd08c0ca1cd25425ad1
ripemd-160
982472242f4e18babba62ac8192a423bda5cf4aa
Diameter
163592478
Circumference
513940927.06735
Area
2.1019217451141E+16
Volume
2.2923905789687E+24
Surface area
8.4076869804565E+16
Circumference
513940927.06735
Perimeter
327184956
Area
6690624714545121
Diagonal
115677350.54491
Surface area
40143748287270726
Volume
5.4726793821024E+23
Space diagonal
141675241.81605
Perimeter
245388717
Area
2.897125484992E+15
Altitude
70837620.908023
Surface area
2.897125484992E+15
Volume
6.4496145039073E+22
Height
38559116.848304