81593530 is an even 8-digits composite number following 81593529
and preceding 81593531 . In scientific notation, it is written as 8.1593530 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 31511872 positive integers (up to 81593530) that are relatively prime to 81593530.
81593530 has 16 divisors, whose sum is 151933320
The reverse of 81593530 is 03539518
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million five hundred ninety-three thousand five hundred thirty
Scientific notation
8.1593530 × 10^7
Engineering notation
8.1593530 × 10^6
Prime Factorization
2 × 5 × 29 × 281357
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81593530
Product of the distinct prime numbers
The prime factorization of 81593530 is 2 × 5 × 29 × 281357.
Since it has a total of 4 prime factors.
8 , 8 , 52 , 54 , 803 , 305 , 3963 , 6725 , 25981 , 80491 , 918783 , 103788 , 9181577 , 2942799 , 98638501 , 87463361 , 8155722 , 360813377 , 9150264866 , 7039134642
n×2
163187060
n×3
244780590
n×4
326374120
n×5
407967650
n÷2
40796765
n÷3
27197843.333333
n÷3
20398382.5
n÷5
16318706
n2
6657504137860900
n3
5.4320926359768E+23
n4
4.4322361345635E+31
n5
3.6164179201259E+39
2 √n
9032.9137048906
3 √n
433.72911309699
4 √n
95.041641951781
5 √n
38.223560997265
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 281357 , 562714 , 1406785 , 2813570 , 8159353 , 16318706 , 40796765 , 81593530
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81593529
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81593530 can be divided by 16 positive divisors.
The sum of these divisors (counting 81593530) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111010000010010111010
3
Ternary
12200112101021121
4
Quaternary
10313100102322
5
Quinary
131341443110
6
Senary
12032455454
8
Octal
467202272
10
Decimal
81593530
12
Duodecimal
233aa58a
16
Hexadecimal
4dd04ba
20
Vigesimal
159j3ga
36
Base36
1cktyy
md5
fd958ee18069bc257d4d64554498d01e
sha1
ab80e9bc218ee454793514eded5cb85d8ab8735a
sha256
6270427907aa00998b8829889b2dce1c8e4ae869601f19e551ab7c6d43bb9636
sha512
b6293e6ac0870496a8456febc14d5d02cdf11e9ccf8bf4ebeffe5973c176d11fbd9dcc303eb5324f977e5fbc34531ed721fa3571b8562f0b42cbc6a9a52a430b
ripemd-160
94abde67e05f65887712c10bd4abae00ab63dd8c
Diameter
163187060
Circumference
512667268.85692
Area
2.0915166090747E+16
Volume
2.2753896425072E+24
Surface area
8.366066436299E+16
Circumference
512667268.85692
Perimeter
326374120
Area
6657504137860900
Diagonal
115390676.7279
Surface area
39945024827165400
Volume
5.4320926359768E+23
Space diagonal
141324139.5289
Perimeter
244780590
Area
2.8827838545938E+15
Altitude
70662069.764448
Surface area
2.8827838545938E+15
Volume
6.4017825648878E+22
Height
38463558.909299