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.
81200537 has 4 divisors, whose sum is 81358116
The reverse of 81200537 is 73500218
Previous prime number is 517
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million two hundred thousand five hundred thirty-seven
Scientific notation
8.1200537 × 10^7
Engineering notation
8.1200537 × 10^6
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.
3 , 1 , 36 , 31 , 270 , 608 , 6299 , 4787 , 10464 , 17069 , 74276 , 108854 , 6908216 , 6920539 , 37499074 , 56087043 , 224881561 , 704159661 , 1527445835 , 74010866
n×2
162401074
n×3
243601611
n×4
324802148
n×5
406002685
n÷2
40600268.5
n÷3
27066845.666667
n÷3
20300134.25
n÷5
16240107.4
n2
6593527209088369
n3
5.3539795010209E+23
n4
4.3474601056989E+31
n5
3.5301609516882E+39
2 √n
9011.1340573759
3 √n
433.0316439884
4 √n
94.926993302095
5 √n
38.186669306812
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
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
md5
d4ff4017c71fb3684c7f2c35f1469c3a
sha1
b236ebe554ad524af2973dcdb256be75fd56a74b
sha256
57350715e089540c598cde84fe7f0263e0c57698ba5a607069de1a549ac84032
sha512
faf7f789439db53974892ef91f7d500ede13124a9be6120f60d54d5ef87d91b3078e81ff09fc23412dff6ed466f21861b8c4dfc372470164d85550b57b4905b3
ripemd-160
5daa9c603bef6fa900e5678641bc2c9a9b3b6bcd
Diameter
162401074
Circumference
510198021.01349
Area
2.0714176641316E+16
Volume
2.2426696890503E+24
Surface area
8.2856706565266E+16
Circumference
510198021.01349
Perimeter
324802148
Area
6593527209088369
Diagonal
114834900.69738
Surface area
39561163254530214
Volume
5.3539795010209E+23
Space diagonal
140643455.68588
Perimeter
243601611
Area
2.8550810318072E+15
Altitude
70321727.842938
Surface area
2.8550810318072E+15
Volume
6.3097253525094E+22
Height
38278300.232459