81872023 (number)

81872023 is an odd 8-digits composite number following 81872022 and preceding 81872024. In scientific notation, it is written as 8.1872023 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 79073400 positive integers (up to 81872023) that are relatively prime to 81872023.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1872023 × 10^7
Engineering notation 8.1872023 × 10^6

Prime Factorization of 81872023

Prime Factorization 563 × 31 × 4691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81872023
Product of the distinct prime numbers

The prime factorization of 81872023 is 563 × 31 × 4691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81872023)

Multiplication

n×y
n×2 163744046
n×3 245616069
n×4 327488092
n×5 409360115

Division

n÷y
n÷2 40936011.5
n÷3 27290674.333333
n÷3 20468005.75
n÷5 16374404.6

Exponentiation

ny
n2 6703028150112529
n3 5.4879047487566E+23
n4 4.4930586381201E+31
n5 3.6785580016052E+39

Nth Root

y√n
2√n 9048.316031174
3√n 434.22201719324
4√n 95.12263679679
5√n 38.249618187274

Divisors of 81872023

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 -81872022
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 81872023 can be divided by 8 positive divisors. The sum of these divisors (counting 81872023) is 1, the average is 0.125.

Base conversion 81872023

Base System Value
2 Binary 100111000010100010010010111
3 Ternary 12201001112022011
4 Quaternary 10320110102113
5 Quinary 131424401043
6 Senary 12042445051
8 Octal 470242227
10 Decimal 81872023
12 Duodecimal 23503787
16 Hexadecimal 4e14497
20 Vigesimal 15be013
36 Base36 1cqsuv

Cryptographic Hash Functions

md5 13be1fc6a8b9dd172891e3a4d81df35e
sha1 749b976200d68664f26d821fe9e81c6d2b2ad623
sha256 0589cd940e928288cd12edde178c415155734f832cb077520bbca6a4683aa53b
sha512 242a3254aab8bdfa8f420fc4d67b70213f1d513ab3ecf66b6e187dd2b36d4cafb98e8199ab7e13ceb0db19146769ee321b5f4f838a7dc1ae8b247b7fd4b20afd
ripemd-160 5d2dea651a7e445a86a41ee9553679e4f67245f8

81872023 as geometric shapes

Circle

Radius = n
Diameter 163744046
Circumference 514417091.98267
Area 2.1058183993199E+16

Sphere

Radius = n
Volume 2.2987681656392E+24
Surface area 8.4232735972796E+16
Circumference 514417091.98267

Square

Length = n
Perimeter 327488092
Area 6703028150112529
Diagonal 115784525.30552

Cube

Length = n
Surface area 40218168900675174
Volume 5.4879047487566E+23
Space diagonal 141806503.55445

Equilateral Triangle

Length = n
Perimeter 245616069
Area 2.9024963301398E+15
Altitude 70903251.777224

Triangular Pyramid

Length = n
Surface area 2.9024963301398E+15
Volume 6.4675577705861E+22
Height 38594841.768507