81593065 is an odd 8-digits composite number following 81593064
and preceding 81593066 . In scientific notation, it is written as 8.1593065 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 65274448 positive integers (up to 81593065) that are relatively prime to 81593065.
81593065 has 4 divisors, whose sum is 97911684
The reverse of 81593065 is 56039518
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million five hundred ninety-three thousand sixty-five
Scientific notation
8.1593065 × 10^7
Engineering notation
8.1593065 × 10^6
Prime Factorization
5 × 16318613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81593065
Product of the distinct prime numbers
The prime factorization of 81593065 is 5 × 16318613.
Since it has a total of 2 prime factors.
3 , 2 , 15 , 42 , 99 , 325 , 201 , 196 , 27913 , 89904 , 368594 , 322405 , 8129916 , 2401087 , 84170564 , 58529200 , 229955517 , 883789022 , 6291660329 , 1432794635
n×2
163186130
n×3
244779195
n×4
326372260
n×5
407965325
n÷2
40796532.5
n÷3
27197688.333333
n÷3
20398266.25
n÷5
16318613
n2
6657428256094225
n3
5.4319997643233E+23
n4
4.4321350985042E+31
n5
3.6163148718103E+39
2 √n
9032.8879656509
3 √n
433.72828915739
4 √n
95.041506541357
5 √n
38.223517430094
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
-81593064
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 81593065 can be divided by 4 positive divisors.
The sum of these divisors (counting 81593065) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111010000001011101001
3
Ternary
12200112100122101
4
Quaternary
10313100023221
5
Quinary
131341434230
6
Senary
12032453401
8
Octal
467201351
10
Decimal
81593065
12
Duodecimal
233aa261
16
Hexadecimal
4dd02e9
20
Vigesimal
159j2d5
36
Base36
1cktm1
md5
4314454a572db25cca481c9663b1ebe9
sha1
8d68032090273e73ca92ddcc3e25d7ce4e9c5d96
sha256
e926f65b530a35a21ab3291f4ac6cdad12c60a8989bacea87c0802b236c45897
sha512
87090587cfd7df0f1e2102f50581c04ee99e89dc09c39e34efe02b5e5dde1412c21908f8b93acf7b653cb1edbc4bbcab17e68d014be2eb323553a5a39dad1fa6
ripemd-160
dad9b991004244042d663a82ede39f0617823a1f
Diameter
163186130
Circumference
512664347.17575
Area
2.0914927701147E+16
Volume
2.27535074052E+24
Surface area
8.3659710804587E+16
Circumference
512664347.17575
Perimeter
326372260
Area
6657428256094225
Diagonal
115390019.11859
Surface area
39944569536565350
Volume
5.4319997643233E+23
Space diagonal
141323334.12527
Perimeter
244779195
Area
2.882750996825E+15
Altitude
70661667.062635
Surface area
2.882750996825E+15
Volume
6.4016731145946E+22
Height
38463339.706197