81593521 is an odd 8-digits prime number following 81593520
and preceding 81593522 . In scientific notation, it is written as 8.1593521 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 81593520 positive integers (up to 81593521) that are relatively prime to 81593521.
81593521 has 2 divisors, whose sum is 81593522
The reverse of 81593521 is 12539518
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
eighty-one million five hundred ninety-three thousand five hundred twenty-one
Scientific notation
8.1593521 × 10^7
Engineering notation
8.1593521 × 10^6
Prime Factorization
81593521
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
81593521 Product of the distinct prime numbers
The prime factorization of 81593521 is 81593521.
Since it has a total of 1 prime factors.
2 , 2 , 3 , 9 , 714 , 382 , 540 , 9333 , 87916 , 53262 , 211270 , 723394 , 5607946 , 9944504 , 847076 , 4736278 , 844872845 , 10182775 , 4261241937 , 8227428090
n×2
163187042
n×3
244780563
n×4
326374084
n×5
407967605
n÷2
40796760.5
n÷3
27197840.333333
n÷3
20398380.25
n÷5
16318704.2
n2
6657502669177441
n3
5.4320908384509E+23
n4
4.4322341790105E+31
n5
3.6164159256201E+39
2 √n9032.9132067124
3 √n433.7290971498
4 √n95.04163933094
5 √n38.223560154031
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
81593522 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
40796761 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9032.9132620656 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999754883 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81593521 can be divided by 2 positive divisors.
The sum of these divisors (counting 81593521) is 81593522, the average is 40796761.
Base
System
Value
2
Binary
100110111010000010010110001
3
Ternary
12200112101021021
4
Quaternary
10313100102301
5
Quinary
131341443041
6
Senary
12032455441
8
Octal
467202261
10
Decimal
81593521
12
Duodecimal
233aa581
16
Hexadecimal
4dd04b1
20
Vigesimal
159j3g1
36
Base36
1cktyp
md5
81468eaa985c5171d3bfae11fa2fb0f5
sha1
50094a66f9b016ccefb66125aed2124de3131892
sha256
b513e03697db11d00987aee0131d0bfc7c9bbc5a602ca1f11035aecd7b04b248
sha512
cbffee9324f80679f5f90dd07386d7fe2cdfcb84500292484ce376395263bdbd16842410448a6c0577c9095d823655d77e56e2b94d239d1d8b7112346be56088
ripemd-160
352e439826d607a6a047a6f8567e7231af1e584d
Diameter
163187042
Circumference
512667212.30825
Area
2.0915161476742E+16
Volume
2.2753888895613E+24
Surface area
8.3660645906969E+16
Circumference
512667212.30825
Perimeter
326374084
Area
6657502669177441
Diagonal
115390663.99997
Surface area
39945016015064646
Volume
5.4320908384509E+23
Space diagonal
141324123.94044
Perimeter
244780563
Area
2.8827832186352E+15
Altitude
70662061.970219
Surface area
2.8827832186352E+15
Volume
6.4017804464832E+22
Height
38463554.666658