81551163 (number)

81551163 is an odd 8-digits composite number following 81551162 and preceding 81551164. In scientific notation, it is written as 8.1551163 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 54322688 positive integers (up to 81551163) that are relatively prime to 81551163.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-one thousand one hundred sixty-three

Notation

Scientific notation 8.1551163 × 10^7
Engineering notation 8.1551163 × 10^6

Prime Factorization of 81551163

Prime Factorization 3 × 1289 × 21089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81551163
Product of the distinct prime numbers

The prime factorization of 81551163 is 3 × 1289 × 21089. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81551163)

Multiplication

n×y
n×2 163102326
n×3 244653489
n×4 326204652
n×5 407755815

Division

n÷y
n÷2 40775581.5
n÷3 27183721
n÷3 20387790.75
n÷5 16310232.6

Exponentiation

ny
n2 6650592186652569
n3 5.4236352746023E+23
n4 4.4230376433164E+31
n5 3.6070386380523E+39

Nth Root

y√n
2√n 9030.5682545452
3√n 433.65402959971
4√n 95.029302083858
5√n 38.219590697014

Divisors of 81551163

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 -81551162
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 81551163 can be divided by 8 positive divisors. The sum of these divisors (counting 81551163) is 1, the average is 0.125.

Base conversion 81551163

Base System Value
2 Binary 100110111000101111100111011
3 Ternary 12200110020011110
4 Quaternary 10313011330323
5 Quinary 131334114123
6 Senary 12031531403
8 Octal 467057473
10 Decimal 81551163
12 Duodecimal 23389b63
16 Hexadecimal 4dc5f3b
20 Vigesimal 159dhi3
36 Base36 1cjxa3

Cryptographic Hash Functions

md5 dc218847bec17e73e1dbb8b7100f515d
sha1 b35735b1a7898fb93666ecf5cd7958a3c8a77745
sha256 30fd29528142f4f7547fef3dafefc55d1d54eb581cf3eb6f55744188904348b6
sha512 4c021ba3de964231190dd8c035cb2623a9253a4b3515d3ec78d4bf88e36d7c2aeb4acb38054320f419dff284da4ec5a3f8f3aa777e19c4c26d32dce29cb6ee43
ripemd-160 43d2713758ab7e78c968da90455a521093194c67

81551163 as geometric shapes

Circle

Radius = n
Diameter 163102326
Circumference 512401069.14501
Area 2.0893451555609E+16

Sphere

Radius = n
Volume 2.2718470312588E+24
Surface area 8.3573806222438E+16
Circumference 512401069.14501

Square

Length = n
Perimeter 326204652
Area 6650592186652569
Diagonal 115330760.7419

Cube

Length = n
Surface area 39903553119915414
Volume 5.4236352746023E+23
Space diagonal 141250757.73233

Equilateral Triangle

Length = n
Perimeter 244653489
Area 2.8797908919257E+15
Altitude 70625378.866166

Triangular Pyramid

Length = n
Surface area 2.8797908919257E+15
Volume 6.3918154689231E+22
Height 38443586.913966