81551133 (number)

81551133 is an odd 8-digits composite number following 81551132 and preceding 81551134. In scientific notation, it is written as 8.1551133 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 54367416 positive integers (up to 81551133) that are relatively prime to 81551133.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1551133 × 10^7
Engineering notation 8.1551133 × 10^6

Prime Factorization of 81551133

Prime Factorization 9 × 9061237

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81551133
Product of the distinct prime numbers

The prime factorization of 81551133 is 9 × 9061237. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81551133)

Multiplication

n×y
n×2 163102266
n×3 244653399
n×4 326204532
n×5 407755665

Division

n÷y
n÷2 40775566.5
n÷3 27183711
n÷3 20387783.25
n÷5 16310226.6

Exponentiation

ny
n2 6650587293583689
n3 5.4236292890715E+23
n4 4.4230311349577E+31
n5 3.6070320035007E+39

Nth Root

y√n
2√n 9030.56659352
3√n 433.653976424
4√n 95.029293344316
5√n 38.219587885067

Divisors of 81551133

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81551132
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81551133 can be divided by 4 positive divisors. The sum of these divisors (counting 81551133) is 1, the average is 0.25.

Base conversion 81551133

Base System Value
2 Binary 100110111000101111100011101
3 Ternary 12200110020010100
4 Quaternary 10313011330131
5 Quinary 131334114013
6 Senary 12031531313
8 Octal 467057435
10 Decimal 81551133
12 Duodecimal 23389b39
16 Hexadecimal 4dc5f1d
20 Vigesimal 159dhgd
36 Base36 1cjx99

Cryptographic Hash Functions

md5 c4ee4a99c32a6853967099b52da4f1fc
sha1 b22f097ca0c4344889251ad45df2f0e0ab74a6ff
sha256 3dba925625a18be9fa2b14b7ee75fafd4e20c96003652f98f282b1ce5998c681
sha512 bb7c0dce58cfb05e05b2f6f7594293ebb08f3e0df80bae66e0341fcc1e3cde94bb6425f582bd512407a75ceddf429b87c406b71bce7c84c784aaf6ac5f7ca9f7
ripemd-160 75c13f57eae2097fb22c74d40fd83c5d49fc4049

81551133 as geometric shapes

Circle

Radius = n
Diameter 163102266
Circumference 512400880.64945
Area 2.089343618358E+16

Sphere

Radius = n
Volume 2.2718445240455E+24
Surface area 8.3573744734321E+16
Circumference 512400880.64945

Square

Length = n
Perimeter 326204532
Area 6650587293583689
Diagonal 115330718.31549

Cube

Length = n
Surface area 39903523761502134
Volume 5.4236292890715E+23
Space diagonal 141250705.77081

Equilateral Triangle

Length = n
Perimeter 244653399
Area 2.8797887731647E+15
Altitude 70625352.885403

Triangular Pyramid

Length = n
Surface area 2.8797887731647E+15
Volume 6.3918084149074E+22
Height 38443572.771831