81594975 is an odd 8-digits composite number following 81594974
and preceding 81594976 . In scientific notation, it is written as 8.1594975 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 33264000 positive integers (up to 81594975) that are relatively prime to 81594975.
81594975 has 32 divisors, whose sum is 105062400
The reverse of 81594975 is 57949518
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-one million five hundred ninety-four thousand nine hundred seventy-five
Scientific notation
8.1594975 × 10^7
Engineering notation
8.1594975 × 10^6
Prime Factorization
75 × 7 × 11 × 71 × 199
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81594975
Product of the distinct prime numbers
The prime factorization of 81594975 is 75 × 7 × 11 × 71 × 199.
Since it has a total of 5 prime factors.
6 , 6 , 15 , 18 , 567 , 750 , 9645 , 5220 , 18118 , 97262 , 101690 , 797303 , 2501485 , 8716769 , 36126593 , 22717903 , 447834420 , 388624564 , 4087301576 , 6813599129
n×2
163189950
n×3
244784925
n×4
326379900
n×5
407974875
n÷2
40797487.5
n÷3
27198325
n÷3
20398743.75
n÷5
16318995
n2
6657739945250625
n3
5.4323812438923E+23
n4
4.4325501178586E+31
n5
3.6167381605292E+39
2 √n
9032.9936898018
3 √n
433.73167349146
4 √n
95.04206273962
5 √n
38.223696382153
1 , 7 , 11 , 71 , 75 , 77 , 199 , 497 , 525 , 781 , 825 , 1393 , 2189 , 5325 , 5467 , 5775 , 14129 , 14925 , 15323 , 37275 , 58575 , 98903 , 104475 , 155419 , 164175 , 410025 , 1059675 , 1087933 , 1149225 , 7417725 , 11656425 , 81594975
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81594974
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81594975 can be divided by 32 positive divisors.
The sum of these divisors (counting 81594975) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111010000101001011111
3
Ternary
12200112110021010
4
Quaternary
10313100221133
5
Quinary
131342014400
6
Senary
12032510303
8
Octal
467205137
10
Decimal
81594975
12
Duodecimal
233ab393
16
Hexadecimal
4dd0a5f
20
Vigesimal
159j78f
36
Base36
1ckv33
md5
4decd5e1fcee05bf68eca78febbc2912
sha1
aa52181c7ffbcda8a534650e048ceb3131e53e87
sha256
bef24ebb3e3affae4967c3950a54e45db698820488faffbac702b2cbf604457f
sha512
a8b458ef71e9e2a4f8ae38ee352c2b9e0219761c1f86005bb7b9607a636913ab443645b97537249b1d4a903947067f3e6cefceaca6aff5c380439ee2cad7263f
ripemd-160
3804db878272ccd17c2304f783f98886755adc4f
Diameter
163189950
Circumference
512676348.05969
Area
2.0915906901511E+16
Volume
2.2755105343081E+24
Surface area
8.3663627606043E+16
Circumference
512676348.05969
Perimeter
326379900
Area
6657739945250625
Diagonal
115392720.26649
Surface area
39946439671503750
Volume
5.4323812438923E+23
Space diagonal
141326642.34231
Perimeter
244784925
Area
2.8828859621887E+15
Altitude
70663321.171156
Surface area
2.8828859621887E+15
Volume
6.4021226925781E+22
Height
38464240.088831