81572023 (number)

81572023 is an odd 8-digits composite number following 81572022 and preceding 81572024. In scientific notation, it is written as 8.1572023 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 75297240 positive integers (up to 81572023) that are relatively prime to 81572023.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-two thousand twenty-three

Notation

Scientific notation 8.1572023 × 10^7
Engineering notation 8.1572023 × 10^6

Prime Factorization of 81572023

Prime Factorization 13 × 6274771

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81572023
Product of the distinct prime numbers

The prime factorization of 81572023 is 13 × 6274771. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81572023)

Multiplication

n×y
n×2 163144046
n×3 244716069
n×4 326288092
n×5 407860115

Division

n÷y
n÷2 40786011.5
n÷3 27190674.333333
n÷3 20393005.75
n÷5 16314404.6

Exponentiation

ny
n2 6653994936312529
n3 5.4277982798677E+23
n4 4.4275648612473E+31
n5 3.6116542269565E+39

Nth Root

y√n
2√n 9031.7231467755
3√n 433.69100128529
4√n 95.035378395498
5√n 38.221545737439

Divisors of 81572023

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 -81572022
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 81572023 can be divided by 4 positive divisors. The sum of these divisors (counting 81572023) is 1, the average is 0.25.

Base conversion 81572023

Base System Value
2 Binary 100110111001011000010110111
3 Ternary 12200111021210001
4 Quaternary 10313023002313
5 Quinary 131340301043
6 Senary 12032212131
8 Octal 467130267
10 Decimal 81572023
12 Duodecimal 2339a047
16 Hexadecimal 4dcb0b7
20 Vigesimal 159ga13
36 Base36 1ckddj

Cryptographic Hash Functions

md5 46e1558fd0bfa0943b667a56b21f45ce
sha1 1550153da1647b66490db2f9af0ba86a2e46b086
sha256 457abecfb678a1d3acb2e30dc520bf3fc78bbd99f5e43d758ea53fa425823861
sha512 514f7c2ce3ec3489f13e931e517a4b41a795dc833b154ddfcef3e8a51316e32641ca976360cda500e0afa3bc6051fa4c909af7dc0849eb0d8f84a455867b9297
ripemd-160 c7924c1a5c93fca457ca7701ef7befbf196aa245

81572023 as geometric shapes

Circle

Radius = n
Diameter 163144046
Circumference 512532136.39052
Area 2.0904141608943E+16

Sphere

Radius = n
Volume 2.2735908268266E+24
Surface area 8.3616566435772E+16
Circumference 512532136.39052

Square

Length = n
Perimeter 326288092
Area 6653994936312529
Diagonal 115360261.23681

Cube

Length = n
Surface area 39923969617875174
Volume 5.4277982798677E+23
Space diagonal 141286888.31218

Equilateral Triangle

Length = n
Perimeter 244716069
Area 2.8812643257498E+15
Altitude 70643444.156089

Triangular Pyramid

Length = n
Surface area 2.8812643257498E+15
Volume 6.3967216176785E+22
Height 38453420.41227