81730907 is an odd 8-digits prime number following 81730906
and preceding 81730908 . In scientific notation, it is written as 8.1730907 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 81730906 positive integers (up to 81730907) that are relatively prime to 81730907.
81730907 has 2 divisors, whose sum is 81730908
The reverse of 81730907 is 70903718
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million seven hundred thirty thousand nine hundred seven
Scientific notation
8.1730907 × 10^7
Engineering notation
8.1730907 × 10^6
Prime Factorization
81730907
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81730907
Product of the distinct prime numbers
The prime factorization of 81730907 is 81730907.
Since it has a total of 1 prime factors.
7 , 10 , 70 , 7 , 880 , 118 , 3400 , 5404 , 17796 , 15340 , 251160 , 678496 , 8180226 , 1473670 , 36242679 , 72828367 , 114375131 , 555370503 , 2730074356 , 1552850291
n×2
163461814
n×3
245192721
n×4
326923628
n×5
408654535
n÷2
40865453.5
n÷3
27243635.666667
n÷3
20432726.75
n÷5
16346181.4
n2
6679941159042649
n3
5.4595764963519E+23
n4
4.4621613888272E+31
n5
3.6469649748923E+39
2 √n
9040.5147530437
3 √n
433.97239625663
4 √n
95.081621531417
5 √n
38.236423549701
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81730908
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40865454
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9040.5148083502
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999755295
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81730907 can be divided by 2 positive divisors.
The sum of these divisors (counting 81730907) is 81730908, the average is 40865454.
Base
System
Value
2
Binary
100110111110001110101011011
3
Ternary
12200210100201122
4
Quaternary
10313301311123
5
Quinary
131410342112
6
Senary
12035435455
8
Octal
467616533
10
Decimal
81730907
12
Duodecimal
23455b8b
16
Hexadecimal
4df1d5b
20
Vigesimal
15ag757
36
Base36
1cnryz
md5
3b1cf5af257b4f8d786db3beff804d02
sha1
e15469c6ff5d0c1b6a5b3db3a4a47d4f608caf42
sha256
5d54882daae4f97f4a3d5783025ff1455356a7a2f316f4b7b4aaebf85cdbf436
sha512
7062c49d4b261cefdaf74c00fffe20390e571d36d61ccefe29d860dfea2bafef8db45a4f9fca46f885342a845d8298032aea17e0635883ffccd5e6052ecaea31
ripemd-160
6d751233a869659d6f5146359f911f63200d2f18
Diameter
163461814
Circumference
513530434.00486
Area
2.098565407166E+16
Volume
2.2869020550201E+24
Surface area
8.3942616286642E+16
Circumference
513530434.00486
Perimeter
326923628
Area
6679941159042649
Diagonal
115584957.14445
Surface area
40079646954255894
Volume
5.4595764963519E+23
Space diagonal
141562083.47269
Perimeter
245192721
Area
2.8924993697581E+15
Altitude
70781041.736343
Surface area
2.8924993697581E+15
Volume
6.4341726049618E+22
Height
38528319.048151