81232425 is an odd 8-digits composite number following 81232424
and preceding 81232426 . In scientific notation, it is written as 8.1232425 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 43323840 positive integers (up to 81232425) that are relatively prime to 81232425.
81232425 has 8 divisors, whose sum is 93868840
The reverse of 81232425 is 52423218
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million two hundred thirty-two thousand four hundred twenty-five
Scientific notation
8.1232425 × 10^7
Engineering notation
8.1232425 × 10^6
Prime Factorization
25 × 9 × 361033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81232425
Product of the distinct prime numbers
The prime factorization of 81232425 is 25 × 9 × 361033.
Since it has a total of 3 prime factors.
9 , 10 , 62 , 24 , 352 , 643 , 908 , 8410 , 98352 , 76362 , 282565 , 130862 , 3709827 , 8315522 , 1726482 , 36430416 , 589735288 , 578895192 , 4481147306 , 190081276
n×2
162464850
n×3
243697275
n×4
324929700
n×5
406162125
n÷2
40616212.5
n÷3
27077475
n÷3
20308106.25
n÷5
16246485
n2
6598706871380625
n3
5.3602896102641E+23
n4
4.3542932374406E+31
n5
3.537097988384E+39
2 √n
9012.9032503406
3 √n
433.08832138818
4 √n
94.936311548009
5 √n
38.18966806845
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81232424
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81232425 can be divided by 8 positive divisors.
The sum of these divisors (counting 81232425) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101111000001000101001
3
Ternary
12122212000221100
4
Quaternary
10311320020221
5
Quinary
131243414200
6
Senary
12021032013
8
Octal
465701051
10
Decimal
81232425
12
Duodecimal
23255609
16
Hexadecimal
4d78229
20
Vigesimal
157e115
36
Base36
1cd3c9
md5
d3efa3e2e4a193b9c70020e14946162c
sha1
c0085864495a86574ac60f1ae02a164c39523a17
sha256
6821da7bc96a0fcbd584fcc72f770ddf269895028f0f3f72b83f9f13d7d35f95
sha512
ae7f51dbfb6e00274b3996aa8c7d098449bcaecd53c5177a0eb7781fcb52156e532af343eb15cbc3ead35519132b8525a8af6623e6045fa962123a28b8832739
ripemd-160
8394dd1b837f56fdfd7a42d673c67ea23493b810
Diameter
162464850
Circumference
510398379.22657
Area
2.0730449030322E+16
Volume
2.2453128614293E+24
Surface area
8.2921796121287E+16
Circumference
510398379.22657
Perimeter
324929700
Area
6598706871380625
Diagonal
114879997.13946
Surface area
39592241228283750
Volume
5.3602896102641E+23
Space diagonal
140698687.32203
Perimeter
243697275
Area
2.8573238913713E+15
Altitude
70349343.661014
Surface area
2.8573238913713E+15
Volume
6.3171618875693E+22
Height
38293332.379818