81730907 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty thousand nine hundred seven

Notation

Scientific notation 8.1730907 × 10^7
Engineering notation 8.1730907 × 10^6

Prime Factorization of 81730907

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.

Most popular turbo-numbers

Basic calculations (n = 81730907)

Multiplication

n×y
n×2 163461814
n×3 245192721
n×4 326923628
n×5 408654535

Division

n÷y
n÷2 40865453.5
n÷3 27243635.666667
n÷3 20432726.75
n÷5 16346181.4

Exponentiation

ny
n2 6679941159042649
n3 5.4595764963519E+23
n4 4.4621613888272E+31
n5 3.6469649748923E+39

Nth Root

y√n
2√n 9040.5147530437
3√n 433.97239625663
4√n 95.081621531417
5√n 38.236423549701

Divisors of 81730907

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 conversion 81730907

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

Cryptographic Hash Functions

md5 3b1cf5af257b4f8d786db3beff804d02
sha1 e15469c6ff5d0c1b6a5b3db3a4a47d4f608caf42
sha256 5d54882daae4f97f4a3d5783025ff1455356a7a2f316f4b7b4aaebf85cdbf436
sha512 7062c49d4b261cefdaf74c00fffe20390e571d36d61ccefe29d860dfea2bafef8db45a4f9fca46f885342a845d8298032aea17e0635883ffccd5e6052ecaea31
ripemd-160 6d751233a869659d6f5146359f911f63200d2f18

81730907 as geometric shapes

Circle

Radius = n
Diameter 163461814
Circumference 513530434.00486
Area 2.098565407166E+16

Sphere

Radius = n
Volume 2.2869020550201E+24
Surface area 8.3942616286642E+16
Circumference 513530434.00486

Square

Length = n
Perimeter 326923628
Area 6679941159042649
Diagonal 115584957.14445

Cube

Length = n
Surface area 40079646954255894
Volume 5.4595764963519E+23
Space diagonal 141562083.47269

Equilateral Triangle

Length = n
Perimeter 245192721
Area 2.8924993697581E+15
Altitude 70781041.736343

Triangular Pyramid

Length = n
Surface area 2.8924993697581E+15
Volume 6.4341726049618E+22
Height 38528319.048151