81580135 (number)

81580135 is an odd 8-digits composite number following 81580134 and preceding 81580136. In scientific notation, it is written as 8.1580135 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 51314688 positive integers (up to 81580135) that are relatively prime to 81580135.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred eighty thousand one hundred thirty-five

Notation

Scientific notation 8.1580135 × 10^7
Engineering notation 8.1580135 × 10^6

Prime Factorization of 81580135

Prime Factorization 7 × 65 × 193 × 929

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81580135
Product of the distinct prime numbers

The prime factorization of 81580135 is 7 × 65 × 193 × 929. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81580135)

Multiplication

n×y
n×2 163160270
n×3 244740405
n×4 326320540
n×5 407900675

Division

n÷y
n÷2 40790067.5
n÷3 27193378.333333
n÷3 20395033.75
n÷5 16316027

Exponentiation

ny
n2 6655318426618225
n3 5.429417757115E+23
n4 4.4293263359684E+31
n5 3.6134504044736E+39

Nth Root

y√n
2√n 9032.1722193501
3√n 433.705377067
4√n 95.037741026132
5√n 38.222305902101

Divisors of 81580135

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 -81580134
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 81580135 can be divided by 16 positive divisors. The sum of these divisors (counting 81580135) is 1, the average is 0.0625.

Base conversion 81580135

Base System Value
2 Binary 100110111001101000001100111
3 Ternary 12200111200220111
4 Quaternary 10313031001213
5 Quinary 131341031020
6 Senary 12032313451
8 Octal 467150147
10 Decimal 81580135
12 Duodecimal 233a2887
16 Hexadecimal 4dcd067
20 Vigesimal 159ha6f
36 Base36 1ckjmv

Cryptographic Hash Functions

md5 282c63a269de2c7b750e4e5b5323a436
sha1 bbeaf2050168b8ea1e05ee71a854fb6057ead44b
sha256 6bbf879992164ad47ce532b6e61ebe6ec2181dc5f6182e6fb6b3558581dd73b2
sha512 c8d9aae5b20e28392df084982a299d1ba9b2fe268b02ee3b5aa2306822890a7cef55172f1f2afaaec879b2f1b2a99aa6a38b2fb03ad372a9665f7ef8bb50c621
ripemd-160 73599ff7de7ce918f112375d16418909aa69b626

81580135 as geometric shapes

Circle

Radius = n
Diameter 163160270
Circumference 512583105.58973
Area 2.0908299476365E+16

Sphere

Radius = n
Volume 2.2742691918697E+24
Surface area 8.3633197905458E+16
Circumference 512583105.58973

Square

Length = n
Perimeter 326320540
Area 6655318426618225
Diagonal 115371733.33723

Cube

Length = n
Surface area 39931910559709350
Volume 5.429417757115E+23
Space diagonal 141300938.70833

Equilateral Triangle

Length = n
Perimeter 244740405
Area 2.881837413863E+15
Altitude 70650469.354164

Triangular Pyramid

Length = n
Surface area 2.881837413863E+15
Volume 6.3986301899178E+22
Height 38457244.445743