81680963 (number)

81680963 is an odd 8-digits composite number following 81680962 and preceding 81680964. In scientific notation, it is written as 8.1680963 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 64626624 positive integers (up to 81680963) that are relatively prime to 81680963.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty thousand nine hundred sixty-three

Notation

Scientific notation 8.1680963 × 10^7
Engineering notation 8.1680963 × 10^6

Prime Factorization of 81680963

Prime Factorization 7 × 13 × 897593

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81680963
Product of the distinct prime numbers

The prime factorization of 81680963 is 7 × 13 × 897593. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81680963)

Multiplication

n×y
n×2 163361926
n×3 245042889
n×4 326723852
n×5 408404815

Division

n÷y
n÷2 40840481.5
n÷3 27226987.666667
n÷3 20420240.75
n÷5 16336192.6

Exponentiation

ny
n2 6671779716607369
n3 5.4495739217636E+23
n4 4.4512644586934E+31
n5 3.6358356755375E+39

Nth Root

y√n
2√n 9037.7520988352
3√n 433.88398117778
4√n 95.067092617978
5√n 38.231749315768

Divisors of 81680963

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81680962
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81680963 can be divided by 8 positive divisors. The sum of these divisors (counting 81680963) is 1, the average is 0.125.

Base conversion 81680963

Base System Value
2 Binary 100110111100101101001000011
3 Ternary 12200200211012212
4 Quaternary 10313211221003
5 Quinary 131402242323
6 Senary 12034412335
8 Octal 467455103
10 Decimal 81680963
12 Duodecimal 234310ab
16 Hexadecimal 4de5a43
20 Vigesimal 15aa283
36 Base36 1cmpfn

Cryptographic Hash Functions

md5 80c05f4823bf4f6d821a4022324a82de
sha1 5d5cdf39b565f7ec09e8ccaeeb3d9440219eeb51
sha256 e7fbc6aafc17243d9f5031a8090db3d6baaaabdcc54d23df0ad1efa32c6d5bb4
sha512 df3a1db26af4a1c32118c155f0cf62c6b32a59d96f105160b79de7a85507a91ddde9e99cf7ad967a8c99a7f7476fccfae9edf55e00136ad473b25ba626c43cc3
ripemd-160 d04c1354d332b8e57e2be27682848ea78e39c35c

81680963 as geometric shapes

Circle

Radius = n
Diameter 163361926
Circumference 513216626.59788
Area 2.0960014144063E+16

Sphere

Radius = n
Volume 2.2827121863743E+24
Surface area 8.3840056576252E+16
Circumference 513216626.59788

Square

Length = n
Perimeter 326723852
Area 6671779716607369
Diagonal 115514325.66229

Cube

Length = n
Surface area 40030678299644214
Volume 5.4495739217636E+23
Space diagonal 141475577.92715

Equilateral Triangle

Length = n
Perimeter 245042889
Area 2.8889653615179E+15
Altitude 70737788.963577

Triangular Pyramid

Length = n
Surface area 2.8889653615179E+15
Volume 6.4223844577606E+22
Height 38504775.220765