81159513 (number)

81159513 is an odd 8-digits composite number following 81159512 and preceding 81159514. In scientific notation, it is written as 8.1159513 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 50923584 positive integers (up to 81159513) that are relatively prime to 81159513.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred fifty-nine thousand five hundred thirteen

Notation

Scientific notation 8.1159513 × 10^7
Engineering notation 8.1159513 × 10^6

Prime Factorization of 81159513

Prime Factorization 3 × 17 × 1591363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81159513
Product of the distinct prime numbers

The prime factorization of 81159513 is 3 × 17 × 1591363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81159513)

Multiplication

n×y
n×2 162319026
n×3 243478539
n×4 324638052
n×5 405797565

Division

n÷y
n÷2 40579756.5
n÷3 27053171
n÷3 20289878.25
n÷5 16231902.6

Exponentiation

ny
n2 6586866550397169
n3 5.3458688142622E+23
n4 4.3386810952741E+31
n5 3.5212524475475E+39

Nth Root

y√n
2√n 9008.8574747301
3√n 432.9587065287
4√n 94.915001315546
5√n 38.18281000573

Divisors of 81159513

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 -81159512
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 81159513 can be divided by 8 positive divisors. The sum of these divisors (counting 81159513) is 1, the average is 0.125.

Base conversion 81159513

Base System Value
2 Binary 100110101100110010101011001
3 Ternary 12122201022220220
4 Quaternary 10311212111121
5 Quinary 131234101023
6 Senary 12015310253
8 Octal 465462531
10 Decimal 81159513
12 Duodecimal 2321b389
16 Hexadecimal 4d66559
20 Vigesimal 1574ifd
36 Base36 1cbj2x

Cryptographic Hash Functions

md5 d07d0056139f23d7169c96c9fe9c15fe
sha1 22d782a9bf7c5bd0e22ecf5eb257e816c9da8d73
sha256 709af13f09e14b2ab7554e54325dd691e7d8ef9a72217d7d5d6246f8504864fb
sha512 7fb5a279d9d39f5eb14bc0663c382ef5d590625d727e13b0f436016ac596de6ba10f0bd7935efc1cf5d8c33d70c54e6e8223513e7ea34c5ffb61d8eb5c995c4d
ripemd-160 64fefa700a07af0c6654ed44260657806626641f

81159513 as geometric shapes

Circle

Radius = n
Diameter 162319026
Circumference 509940259.61945
Area 2.0693251564904E+16

Sphere

Radius = n
Volume 2.2392722925255E+24
Surface area 8.2773006259616E+16
Circumference 509940259.61945

Square

Length = n
Perimeter 324638052
Area 6586866550397169
Diagonal 114776884.0002

Cube

Length = n
Surface area 39521199302383014
Volume 5.3458688142622E+23
Space diagonal 140572400.03355

Equilateral Triangle

Length = n
Perimeter 243478539
Area 2.852196881991E+15
Altitude 70286200.016773

Triangular Pyramid

Length = n
Surface area 2.852196881991E+15
Volume 6.3001668164975E+22
Height 38258961.333399