81506089 (number)

81506089 is an odd 8-digits composite number following 81506088 and preceding 81506090. In scientific notation, it is written as 8.1506089 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 66572352 positive integers (up to 81506089) that are relatively prime to 81506089.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred six thousand eighty-nine

Notation

Scientific notation 8.1506089 × 10^7
Engineering notation 8.1506089 × 10^6

Prime Factorization of 81506089

Prime Factorization 23 × 317 × 7 × 1597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81506089
Product of the distinct prime numbers

The prime factorization of 81506089 is 23 × 317 × 7 × 1597. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 1, 19, 563, 221, 3901, 9883, 12050, 250, 698792, 601321, 2308776, 5581660, 28364869, 39238029, 832481877, 201460459, 2638207014, 9136255053

Basic calculations (n = 81506089)

Multiplication

n×y
n×2 163012178
n×3 244518267
n×4 326024356
n×5 407530445

Division

n÷y
n÷2 40753044.5
n÷3 27168696.333333
n÷3 20376522.25
n÷5 16301217.8

Exponentiation

ny
n2 6643242544075921
n3 5.4146471804604E+23
n4 4.413267149942E+31
n5 3.5970814510395E+39

Nth Root

y√n
2√n 9028.0722748547
3√n 433.5741201568
4√n 95.016168491761
5√n 38.215364906096

Divisors of 81506089

1, 7, 23, 161, 317, 1597, 2219, 7291, 11179, 36731, 51037, 257117, 506249, 3543743, 11643727, 81506089

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 -81506088
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 81506089 can be divided by 16 positive divisors. The sum of these divisors (counting 81506089) is 1, the average is 0.0625.

Base conversion 81506089

Base System Value
2 Binary 100110110111010111100101001
3 Ternary 12200100221100001
4 Quaternary 10312322330221
5 Quinary 131331143324
6 Senary 12030543001
8 Octal 466727451
10 Decimal 81506089
12 Duodecimal 23367a61
16 Hexadecimal 4dbaf29
20 Vigesimal 1598549
36 Base36 1ciyi1

Cryptographic Hash Functions

md5 e1fb2035c4f9d8c5d5103b6f08150918
sha1 3b210acf54403fc36005d63d7b43f8b2f6938e2a
sha256 6b8bc27b0b5b02f4fd3e7a0c6f615228467891bff7890bc7282d017c788ce13c
sha512 72554e42af438b753e86e673356bb74780d451b8aa88d7c0d6e29c1a38aed6773108e59be0d3aa4a530b4264ee4da299fc6853135a00b28e50d1882f7848f6d7
ripemd-160 bd72ddf5ea53d6675aea62691c839e1fab8dddf8

81506089 as geometric shapes

Circle

Radius = n
Diameter 163012178
Circumference 512117860.85047
Area 2.0870361972484E+16

Sphere

Radius = n
Volume 2.2680821071887E+24
Surface area 8.3481447889936E+16
Circumference 512117860.85047

Square

Length = n
Perimeter 326024356
Area 6643242544075921
Diagonal 115267016.47979

Cube

Length = n
Surface area 39859455264455526
Volume 5.4146471804604E+23
Space diagonal 141172687.27423

Equilateral Triangle

Length = n
Perimeter 244518267
Area 2.8766084033357E+15
Altitude 70586343.637115

Triangular Pyramid

Length = n
Surface area 2.8766084033357E+15
Volume 6.3812228983936E+22
Height 38422338.826596