81200537 (number)

81200537 is an odd 8-digits composite number following 81200536 and preceding 81200538. In scientific notation, it is written as 8.1200537 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 72247600 positive integers (up to 81200537) that are relatively prime to 81200537.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thousand five hundred thirty-seven

Notation

Scientific notation 8.1200537 × 10^7
Engineering notation 8.1200537 × 10^6

Prime Factorization of 81200537

Prime Factorization 517 × 157061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81200537
Product of the distinct prime numbers

The prime factorization of 81200537 is 517 × 157061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81200537)

Multiplication

n×y
n×2 162401074
n×3 243601611
n×4 324802148
n×5 406002685

Division

n÷y
n÷2 40600268.5
n÷3 27066845.666667
n÷3 20300134.25
n÷5 16240107.4

Exponentiation

ny
n2 6593527209088369
n3 5.3539795010209E+23
n4 4.3474601056989E+31
n5 3.5301609516882E+39

Nth Root

y√n
2√n 9011.1340573759
3√n 433.0316439884
4√n 94.926993302095
5√n 38.186669306812

Divisors of 81200537

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 -81200536
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 81200537 can be divided by 4 positive divisors. The sum of these divisors (counting 81200537) is 1, the average is 0.25.

Base conversion 81200537

Base System Value
2 Binary 100110101110000010110011001
3 Ternary 12122210102012022
4 Quaternary 10311300112121
5 Quinary 131241404122
6 Senary 12020224225
8 Octal 465602631
10 Decimal 81200537
12 Duodecimal 2323b075
16 Hexadecimal 4d70599
20 Vigesimal 157a16h
36 Base36 1cceqh

Cryptographic Hash Functions

md5 d4ff4017c71fb3684c7f2c35f1469c3a
sha1 b236ebe554ad524af2973dcdb256be75fd56a74b
sha256 57350715e089540c598cde84fe7f0263e0c57698ba5a607069de1a549ac84032
sha512 faf7f789439db53974892ef91f7d500ede13124a9be6120f60d54d5ef87d91b3078e81ff09fc23412dff6ed466f21861b8c4dfc372470164d85550b57b4905b3
ripemd-160 5daa9c603bef6fa900e5678641bc2c9a9b3b6bcd

81200537 as geometric shapes

Circle

Radius = n
Diameter 162401074
Circumference 510198021.01349
Area 2.0714176641316E+16

Sphere

Radius = n
Volume 2.2426696890503E+24
Surface area 8.2856706565266E+16
Circumference 510198021.01349

Square

Length = n
Perimeter 324802148
Area 6593527209088369
Diagonal 114834900.69738

Cube

Length = n
Surface area 39561163254530214
Volume 5.3539795010209E+23
Space diagonal 140643455.68588

Equilateral Triangle

Length = n
Perimeter 243601611
Area 2.8550810318072E+15
Altitude 70321727.842938

Triangular Pyramid

Length = n
Surface area 2.8550810318072E+15
Volume 6.3097253525094E+22
Height 38278300.232459