81014805 is an odd 8-digits composite number following 81014804
and preceding 81014806 . In scientific notation, it is written as 8.1014805 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 43120224 positive integers (up to 81014805) that are relatively prime to 81014805.
81014805 has 16 divisors, whose sum is 115454976
The reverse of 81014805 is 50841018
Previous prime number is 587
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million fourteen thousand eight hundred five
Scientific notation
8.1014805 × 10^7
Engineering notation
8.1014805 × 10^6
Prime Factorization
15 × 3 × 587 × 3067
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81014805
Product of the distinct prime numbers
The prime factorization of 81014805 is 15 × 3 × 587 × 3067.
Since it has a total of 4 prime factors.
9 , 1 , 99 , 38 , 719 , 343 , 4990 , 3912 , 23470 , 45200 , 920407 , 109299 , 7937200 , 6636246 , 52349389 , 63801514 , 394510339 , 102775017 , 6953318955 , 685933779
n×2
162029610
n×3
243044415
n×4
324059220
n×5
405074025
n÷2
40507402.5
n÷3
27004935
n÷3
20253701.25
n÷5
16202961
n2
6563398629188025
n3
5.3173246008094E+23
n4
4.3078201565627E+31
n5
3.48997209959E+39
2 √n
9000.8224624198
3 √n
432.70123060346
4 √n
94.872664463584
5 √n
38.16918423892
1 , 3 , 15 , 45 , 587 , 1761 , 3067 , 8805 , 9201 , 26415 , 46005 , 138015 , 1800329 , 5400987 , 27004935 , 81014805
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
-81014804
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 81014805 can be divided by 16 positive divisors.
The sum of these divisors (counting 81014805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101000011000000010101
3
Ternary
12122102222102100
4
Quaternary
10311003000111
5
Quinary
131214433210
6
Senary
12012232313
8
Octal
465030025
10
Decimal
81014805
12
Duodecimal
2316b699
16
Hexadecimal
4d43015
20
Vigesimal
1566h05
36
Base36
1c8ff9
md5
be45b7c295f0c88b85377f981c726548
sha1
62e0cc0e92cbe34d87b4d9ae4bfb6a956cb7d3ec
sha256
63a139ca5b6ccbe2621a8bb5150e676bb948105ba0d1e5d804f2577d2ca1b68c
sha512
27517eee3a81d98add0468bbcb7a3023c87b5d1c5095da195d313f8c9baba6bc7b7d74929c7924e697851a0a217990210c72cdbb3c32d0405bdd8e994219e9b6
ripemd-160
1e8c2f615053150a06c044d636bb0ec69164f740
Diameter
162029610
Circumference
509031032.44002
Area
2.0619524916038E+16
Volume
2.227315720354E+24
Surface area
8.2478099664154E+16
Circumference
509031032.44002
Perimeter
324059220
Area
6563398629188025
Diagonal
114572235.98401
Surface area
39380391775128150
Volume
5.3173246008094E+23
Space diagonal
140321758.42529
Perimeter
243044415
Area
2.8420349740204E+15
Altitude
70160879.212643
Surface area
2.8420349740204E+15
Volume
6.2665271383372E+22
Height
38190745.328004