81659097 (number)

81659097 is an odd 8-digits composite number following 81659096 and preceding 81659098. In scientific notation, it is written as 8.1659097 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors. There are 50251104 positive integers (up to 81659097) that are relatively prime to 81659097.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred fifty-nine thousand ninety-seven

Notation

Scientific notation 8.1659097 × 10^7
Engineering notation 8.1659097 × 10^6

Prime Factorization of 81659097

Prime Factorization 3 × 3 × 9 × 13 × 77549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27219699
Product of the distinct prime numbers

The prime factorization of 81659097 is 3 × 3 × 9 × 13 × 77549. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81659097)

Multiplication

n×y
n×2 163318194
n×3 244977291
n×4 326636388
n×5 408295485

Division

n÷y
n÷2 40829548.5
n÷3 27219699
n÷3 20414774.25
n÷5 16331819.4

Exponentiation

ny
n2 6668208122855409
n3 5.4451985392044E+23
n4 4.4464999569715E+31
n5 3.6309717129683E+39

Nth Root

y√n
2√n 9036.5423144032
3√n 433.84526079751
4√n 95.060729612197
5√n 38.229702168108

Divisors of 81659097

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 -81659096
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 81659097 can be divided by 20 positive divisors. The sum of these divisors (counting 81659097) is 1, the average is 0.05.

Base conversion 81659097

Base System Value
2 Binary 100110111100000010011011001
3 Ternary 12200122201020000
4 Quaternary 10313200103121
5 Quinary 131401042342
6 Senary 12034123213
8 Octal 467402331
10 Decimal 81659097
12 Duodecimal 23420509
16 Hexadecimal 4de04d9
20 Vigesimal 15a77eh
36 Base36 1cm8k9

Cryptographic Hash Functions

md5 6dd95fd349f321df947285f9b1c4dae8
sha1 9b47875a2aa1845534368eb8871f54022a96c383
sha256 4d706a6b643ee9e33753f37fdcdfec6eb9c11f715639dc02e68d5fa2663f0c57
sha512 e9b44774e9bc253c53fd9fe49497666ffc8a0085644dad56706b6f3898c2c39850812db9cd23b4fd26ffdfd0ec36596fc2fce012d1608a91b176c8edecccbd3b
ripemd-160 29780228bdbb2d71c6b9bd5013449c85b58e7fb0

81659097 as geometric shapes

Circle

Radius = n
Diameter 163318194
Circumference 513079238.46795
Area 2.094879365137E+16

Sphere

Radius = n
Volume 2.2808794304136E+24
Surface area 8.3795174605481E+16
Circumference 513079238.46795

Square

Length = n
Perimeter 326636388
Area 6668208122855409
Diagonal 115483402.46854

Cube

Length = n
Surface area 40009248737132454
Volume 5.4451985392044E+23
Space diagonal 141437704.9042

Equilateral Triangle

Length = n
Perimeter 244977291
Area 2.8874188160573E+15
Altitude 70718852.452098

Triangular Pyramid

Length = n
Surface area 2.8874188160573E+15
Volume 6.4172280199642E+22
Height 38494467.489513