81330995 (number)

81330995 is an odd 8-digits composite number following 81330994 and preceding 81330996. In scientific notation, it is written as 8.1330995 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 62259840 positive integers (up to 81330995) that are relatively prime to 81330995.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330995 × 10^7
Engineering notation 8.1330995 × 10^6

Prime Factorization of 81330995

Prime Factorization 5 × 37 × 61 × 7207

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330995
Product of the distinct prime numbers

The prime factorization of 81330995 is 5 × 37 × 61 × 7207. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 66, 88, 864, 989, 6259, 1, 75511, 89023, 702951, 67664, 1533350, 3576421, 74835306, 11227740, 183427839, 464047961, 3374069574, 6685571204

Basic calculations (n = 81330995)

Multiplication

n×y
n×2 162661990
n×3 243992985
n×4 325323980
n×5 406654975

Division

n÷y
n÷2 40665497.5
n÷3 27110331.666667
n÷3 20332748.75
n÷5 16266199

Exponentiation

ny
n2 6614730747690025
n3 5.3798263336672E+23
n4 4.3754662864436E+31
n5 3.5586102666541E+39

Nth Root

y√n
2√n 9018.3698637836
3√n 433.26342494866
4√n 94.965098134965
5√n 38.198931684045

Divisors of 81330995

1, 5, 37, 61, 185, 305, 2257, 7207, 11285, 36035, 266659, 439627, 1333295, 2198135, 16266199, 81330995

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 -81330994
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 81330995 can be divided by 16 positive divisors. The sum of these divisors (counting 81330995) is 1, the average is 0.0625.

Base conversion 81330995

Base System Value
2 Binary 100110110010000001100110011
3 Ternary 12200001001011002
4 Quaternary 10312100030303
5 Quinary 131310042440
6 Senary 12023112215
8 Octal 466201463
10 Decimal 81330995
12 Duodecimal 232a266b
16 Hexadecimal 4d90333
20 Vigesimal 158679f
36 Base36 1cf7eb

Cryptographic Hash Functions

md5 bd3bc4651c11219c0bc8c08c50cd2c0c
sha1 680e61802f60ad13a3f8a689c1abf7be2208b2ca
sha256 e6f10992a4c009b0c70f77c5b51fd2596fe26eb54233750620d3984d20594a68
sha512 cd5b066454bf64a8db4d9c5ec7ea74fd95aa1bbcece604783199cc93f8c0590667ddd3d324c1849d93e382738ec5d2a70b8660d45fabe9f433f6b89fd68b17d9
ripemd-160 ade18c7aecacd980d214191d20301941c111d049

81330995 as geometric shapes

Circle

Radius = n
Diameter 162661990
Circumference 511017712.8023
Area 2.0780789522418E+16

Sphere

Radius = n
Volume 2.2534963849917E+24
Surface area 8.312315808967E+16
Circumference 511017712.8023

Square

Length = n
Perimeter 325323980
Area 6614730747690025
Diagonal 115019396.1703

Cube

Length = n
Surface area 39688384486140150
Volume 5.3798263336672E+23
Space diagonal 140869415.57013

Equilateral Triangle

Length = n
Perimeter 243992985
Area 2.8642624333468E+15
Altitude 70434707.785065

Triangular Pyramid

Length = n
Surface area 2.8642624333468E+15
Volume 6.3401861369034E+22
Height 38339798.723433