81796730 is an even 8-digits composite number following 81796729
and preceding 81796731 . In scientific notation, it is written as 8.1796730 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 32182080 positive integers (up to 81796730) that are relatively prime to 81796730.
81796730 has 16 divisors, whose sum is 149648904
The reverse of 81796730 is 03769718
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million seven hundred ninety-six thousand seven hundred thirty
Scientific notation
8.1796730 × 10^7
Engineering notation
8.1796730 × 10^6
Prime Factorization
2 × 5 × 61 × 134093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81796730
Product of the distinct prime numbers
The prime factorization of 81796730 is 2 × 5 × 61 × 134093.
Since it has a total of 4 prime factors.
3 , 2 , 20 , 57 , 313 , 111 , 7802 , 5996 , 9385 , 34876 , 187242 , 897975 , 182074 , 4105211 , 38114216 , 34479468 , 277692835 , 371430254 , 7442124297 , 5012828718
n×2
163593460
n×3
245390190
n×4
327186920
n×5
408983650
n÷2
40898365
n÷3
27265576.666667
n÷3
20449182.5
n÷5
16359346
n2
6690705038692900
n3
5.472777935596E+23
n4
4.4765533914791E+31
n5
3.661674290934E+39
2 √n
9044.1544657309
3 √n
434.08886667982
4 √n
95.100759543396
5 √n
38.242580402244
1 , 2 , 5 , 10 , 61 , 122 , 305 , 610 , 134093 , 268186 , 670465 , 1340930 , 8179673 , 16359346 , 40898365 , 81796730
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
-81796729
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 81796730 can be divided by 16 positive divisors.
The sum of these divisors (counting 81796730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000000001111001111010
3
Ternary
12200220201000112
4
Quaternary
10320001321322
5
Quinary
131414443410
6
Senary
12041104322
8
Octal
470017172
10
Decimal
81796730
12
Duodecimal
234880a2
16
Hexadecimal
4e01e7a
20
Vigesimal
15b4bga
36
Base36
1cp6re
md5
25fcccb32a6e3c2f95ddfd4bdd86cd5d
sha1
ab9818fee96e492968fd8b6dfa726f51c92ed36d
sha256
4e8a0f14ad0c6308f19f879e4497aadb13cc5817c0fdeeef2c2291693f741da7
sha512
966ae682f2ddcea07c53044d33779d4f337212010180c45696cb02e2e0661c1a9059bbc61085d94260609d3e329b8e76a2ca8a913e13c3d2ac86a7e16d29e0f4
ripemd-160
1f7753f29e2c070ac8961499d2102e8ab277648c
Diameter
163593460
Circumference
513944012.11134
Area
2.1019469796894E+16
Volume
2.2924318609596E+24
Surface area
8.4077879187575E+16
Circumference
513944012.11134
Perimeter
327186920
Area
6690705038692900
Diagonal
115678044.92377
Surface area
40144230232157400
Volume
5.472777935596E+23
Space diagonal
141676092.25299
Perimeter
245390190
Area
2.8971602663683E+15
Altitude
70838046.126497
Surface area
2.8971602663683E+15
Volume
6.4497306503134E+22
Height
38559348.307923