81482272 is an even 8-digits composite number following 81482271
and preceding 81482273 . In scientific notation, it is written as 8.1482272 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 12 positive divisors.
There are 40741120 positive integers (up to 81482272) that are relatively prime to 81482272.
81482272 has 12 divisors, whose sum is 160418286
The reverse of 81482272 is 27228418
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million four hundred eighty-two thousand two hundred seventy-two
Scientific notation
8.1482272 × 10^7
Engineering notation
8.1482272 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2546321
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5092642
Product of the distinct prime numbers
The prime factorization of 81482272 is 2 × 2 × 2 × 2 × 2 × 2546321.
Since it has a total of 6 prime factors.
7 , 8 , 87 , 62 , 330 , 449 , 2457 , 7288 , 75341 , 2277 , 20500 , 645490 , 7256606 , 2294602 , 94523259 , 54597127 , 763704007 , 26277034 , 2632309152 , 1982508966
n×2
162964544
n×3
244446816
n×4
325929088
n×5
407411360
n÷2
40741136
n÷3
27160757.333333
n÷3
20370568
n÷5
16296454.4
n2
6639360650281984
n3
5.4099019041237E+23
n4
4.4081109844513E+31
n5
3.5918289824125E+39
2 √n
9026.7531261246
3 √n
433.53188429057
4 √n
95.009226531556
5 √n
38.213131252731
1 , 2 , 4 , 8 , 16 , 32 , 2546321 , 5092642 , 10185284 , 20370568 , 40741136 , 81482272
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81482271
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81482272 can be divided by 12 positive divisors.
The sum of these divisors (counting 81482272) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110110101001000100000
3
Ternary
12200022201122221
4
Quaternary
10312311020200
5
Quinary
131324413042
6
Senary
12030240424
8
Octal
466651040
10
Decimal
81482272
12
Duodecimal
23356114
16
Hexadecimal
4db5220
20
Vigesimal
15955dc
36
Base36
1cig4g
md5
61a325a65ec61705c76ec157dbde6bbc
sha1
1070351a318ee4052ba057c86907d154601d8368
sha256
f24a612cb74e27dd113361acf53288c6ea8e8dd3404653c69119e38ef2846ca3
sha512
337724d6a72dd1c41f5c7198fc4c04c3fad1f452d82a0119ebeb8fbc2f709ce35742db4743d8940b2fb8623ab1372ae3bb47d22e54e4cbc649de7942cbdf8682
ripemd-160
8e1bd1eed24f90051ae76410359291f2fad50543
Diameter
162964544
Circumference
511968214.22601
Area
2.0858166643459E+16
Volume
2.2660944104849E+24
Surface area
8.3432666573836E+16
Circumference
511968214.22601
Perimeter
325929088
Area
6639360650281984
Diagonal
115233334.15537
Surface area
39836163901691904
Volume
5.4099019041237E+23
Space diagonal
141131435.02015
Perimeter
244446816
Area
2.8749274940155E+15
Altitude
70565717.510073
Surface area
2.8749274940155E+15
Volume
6.3756305365998E+22
Height
38411111.385125