81072588 (number)

81072588 is an even 8-digits composite number following 81072587 and preceding 81072589. In scientific notation, it is written as 8.1072588 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 26976256 positive integers (up to 81072588) that are relatively prime to 81072588.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand five hundred eighty-eight

Notation

Scientific notation 8.1072588 × 10^7
Engineering notation 8.1072588 × 10^6

Prime Factorization of 81072588

Prime Factorization 2 × 2 × 3 × 593 × 11393

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40536294
Product of the distinct prime numbers

The prime factorization of 81072588 is 2 × 2 × 3 × 593 × 11393. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81072588)

Multiplication

n×y
n×2 162145176
n×3 243217764
n×4 324290352
n×5 405362940

Division

n÷y
n÷2 40536294
n÷3 27024196
n÷3 20268147
n÷5 16214517.6

Exponentiation

ny
n2 6572764525017744
n3 5.3287103035778E+23
n4 4.3201233501332E+31
n5 3.5024358047453E+39

Nth Root

y√n
2√n 9004.0317636046
3√n 432.80407943146
4√n 94.88957668577
5√n 38.174627444055

Divisors of 81072588

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81072587
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81072588 can be divided by 24 positive divisors. The sum of these divisors (counting 81072588) is 1, the average is 0.041666666666667.

Base conversion 81072588

Base System Value
2 Binary 100110101010001000111001100
3 Ternary 12122112220200110
4 Quaternary 10311101013030
5 Quinary 131223310323
6 Senary 12013400020
8 Octal 465210714
10 Decimal 81072588
12 Duodecimal 23199010
16 Hexadecimal 4d511cc
20 Vigesimal 156e198
36 Base36 1c9o0c

Cryptographic Hash Functions

md5 bf920160d9573b1fc6a768ee6fa237d8
sha1 c0d7afa74332fc04e25e0706cb18dff74c2411fe
sha256 26af72defe707a65cea0f29011a4153ec6fb16d40761dd2d43cf70c6c03ff870
sha512 5b32dfc735f5bddf83da51d5c1397ea350f8b25c3bd7655287c9cca52949c4f1214b5b4737cacd3806db7ae5ba5308a1055287a218c314f2d1057456eda68410
ripemd-160 69ad7e4d3f5f3ebcc717788846b6067b7032e43d

81072588 as geometric shapes

Circle

Radius = n
Diameter 162145176
Circumference 509394093.73662
Area 2.0648948745571E+16

Sphere

Radius = n
Volume 2.2320849523771E+24
Surface area 8.2595794982285E+16
Circumference 509394093.73662

Square

Length = n
Perimeter 324290352
Area 6572764525017744
Diagonal 114653953.48629

Cube

Length = n
Surface area 39436587150106464
Volume 5.3287103035778E+23
Space diagonal 140421841.5171

Equilateral Triangle

Length = n
Perimeter 243217764
Area 2.8460905258793E+15
Altitude 70210920.758549

Triangular Pyramid

Length = n
Surface area 2.8460905258793E+15
Volume 6.2799453177308E+22
Height 38217984.495429