81296270 is an even 8-digits composite number following 81296269
and preceding 81296271 . In scientific notation, it is written as 8.1296270 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 29561840 positive integers (up to 81296270) that are relatively prime to 81296270.
81296270 has 24 divisors, whose sum is 160848072
The reverse of 81296270 is 07269218
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million two hundred ninety-six thousand two hundred seventy
Scientific notation
8.1296270 × 10^7
Engineering notation
8.1296270 × 10^6
Prime Factorization
2 × 5 × 11 × 11 × 67187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7390570
Product of the distinct prime numbers
The prime factorization of 81296270 is 2 × 5 × 11 × 11 × 67187.
Since it has a total of 5 prime factors.
9 , 9 , 42 , 14 , 683 , 744 , 8233 , 1540 , 62059 , 35502 , 140057 , 187958 , 8358406 , 2027564 , 44737529 , 54754828 , 156404226 , 122497794 , 5034496549 , 965649986
n×2
162592540
n×3
243888810
n×4
325185080
n×5
406481350
n÷2
40648135
n÷3
27098756.666667
n÷3
20324067.5
n÷5
16259254
n2
6609083515912900
n3
5.372938379622E+23
n4
4.3679984920312E+31
n5
3.5510198476776E+39
2 √n
9016.4444211674
3 √n
433.20175426518
4 √n
94.954959960854
5 √n
38.195669251321
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 121 , 242 , 605 , 1210 , 67187 , 134374 , 335935 , 671870 , 739057 , 1478114 , 3695285 , 7390570 , 8129627 , 16259254 , 40648135 , 81296270
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81296269
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81296270 can be divided by 24 positive divisors.
The sum of these divisors (counting 81296270) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110000111101110001110
3
Ternary
12122222021111222
4
Quaternary
10312013232032
5
Quinary
131302440040
6
Senary
12022243342
8
Octal
466075616
10
Decimal
81296270
12
Duodecimal
23286552
16
Hexadecimal
4d87b8e
20
Vigesimal
15820da
36
Base36
1ceglq
md5
1f5086867f248c7b8a01bdbe35bd7ab9
sha1
ee8cfd615be0c3fcef8daa48451fa4c0b56ec179
sha256
70c3005e08f0de70413b0a0b94e1ca132e2ef6a737a6a434797fb24309b61344
sha512
248f2d1e2e0827b34daa0783f02f93f041057902b4302c4cd76ca6347b5e12d1bda5eb05f4b43d42355cae7053ecc4ce99b1bbc34a8c0ec8bb2242acea8e1495
ripemd-160
8f9afe27cc3671faa3c267de630b78c59a80f991
Diameter
162592540
Circumference
510799529.1925
Area
2.0763048220553E+16
Volume
2.2506111655482E+24
Surface area
8.3052192882213E+16
Circumference
510799529.1925
Perimeter
325185080
Area
6609083515912900
Diagonal
114970287.60434
Surface area
39654501095477400
Volume
5.372938379622E+23
Space diagonal
140809270.10584
Perimeter
243888810
Area
2.8618171102568E+15
Altitude
70404635.052919
Surface area
2.8618171102568E+15
Volume
6.3320686052137E+22
Height
38323429.201448