81330992 (number)

81330992 is an even 8-digits composite number following 81330991 and preceding 81330993. In scientific notation, it is written as 8.1330992 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 38273280 positive integers (up to 81330992) that are relatively prime to 81330992.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand nine hundred ninety-two

Notation

Scientific notation 8.1330992 × 10^7
Engineering notation 8.1330992 × 10^6

Prime Factorization of 81330992

Prime Factorization 2 × 2 × 2 × 2 × 17 × 299011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10166374
Product of the distinct prime numbers

The prime factorization of 81330992 is 2 × 2 × 2 × 2 × 17 × 299011. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 1, 75, 37, 545, 524, 1080, 3852, 20505, 8223, 729645, 203400, 6173747, 1811433, 46880880, 22077496, 799511040, 667824671, 3316593760, 798143142

Basic calculations (n = 81330992)

Multiplication

n×y
n×2 162661984
n×3 243992976
n×4 325323968
n×5 406654960

Division

n÷y
n÷2 40665496
n÷3 27110330.666667
n÷3 20332748
n÷5 16266198.4

Exponentiation

ny
n2 6614730259704064
n3 5.3798257383415E+23
n4 4.3754656408645E+31
n5 3.5586096103342E+39

Nth Root

y√n
2√n 9018.3696974564
3√n 433.2634196215
4√n 94.965097259237
5√n 38.198931402242

Divisors of 81330992

1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299011, 598022, 1196044, 2392088, 4784176, 5083187, 10166374, 20332748, 40665496, 81330992

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330991
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330992 can be divided by 20 positive divisors. The sum of these divisors (counting 81330992) is 1, the average is 0.05.

Base conversion 81330992

Base System Value
2 Binary 100110110010000001100110000
3 Ternary 12200001001010222
4 Quaternary 10312100030300
5 Quinary 131310042432
6 Senary 12023112212
8 Octal 466201460
10 Decimal 81330992
12 Duodecimal 232a2668
16 Hexadecimal 4d90330
20 Vigesimal 158679c
36 Base36 1cf7e8

Cryptographic Hash Functions

md5 b73f044b3713e841f08178462ef436be
sha1 313064747c9ef3ff4a429c03f5a87baec834c9d7
sha256 79b0f50ac358a1145f9fa01923614105bbc293fcb5f18e1ae0c9ac38b14fee77
sha512 2626c9fa25b17d63d558b78a3f4e13b8f8c94a697624e3b918a99fa09e90f8e95150da11d58b5953cbfca985e9e0d8f5419a9169ff058a970424f31af601292e
ripemd-160 a3df4ababe9aec39b035e968ce685e8387038be8

81330992 as geometric shapes

Circle

Radius = n
Diameter 162661984
Circumference 511017693.95274
Area 2.0780787989364E+16

Sphere

Radius = n
Volume 2.2534961356223E+24
Surface area 8.3123151957458E+16
Circumference 511017693.95274

Square

Length = n
Perimeter 325323968
Area 6614730259704064
Diagonal 115019391.92766

Cube

Length = n
Surface area 39688381558224384
Volume 5.3798257383415E+23
Space diagonal 140869410.37398

Equilateral Triangle

Length = n
Perimeter 243992976
Area 2.8642622220427E+15
Altitude 70434705.186989

Triangular Pyramid

Length = n
Surface area 2.8642622220427E+15
Volume 6.3401854353053E+22
Height 38339797.309219