81180260 is an even 8-digits composite number following 81180259
and preceding 81180261 . In scientific notation, it is written as 8.1180260 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 27832896 positive integers (up to 81180260) that are relatively prime to 81180260.
81180260 has 24 divisors, whose sum is 167001408
The reverse of 81180260 is 06208118
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million one hundred eighty thousand two hundred sixty
Scientific notation
8.1180260 × 10^7
Engineering notation
8.1180260 × 10^6
Prime Factorization
2 × 2 × 35 × 7 × 82837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40590130
Product of the distinct prime numbers
The prime factorization of 81180260 is 2 × 2 × 35 × 7 × 82837.
Since it has a total of 5 prime factors.
3 , 7 , 16 , 91 , 855 , 362 , 2180 , 8055 , 11674 , 13338 , 83327 , 968486 , 7736785 , 3202658 , 16290933 , 83324475 , 394112321 , 208809695 , 7723891513 , 5730629975
n×2
162360520
n×3
243540780
n×4
324721040
n×5
405901300
n÷2
40590130
n÷3
27060086.666667
n÷3
20295065
n÷5
16236052
n2
6590234613667600
n3
5.3499695939854E+23
n4
4.3431192263183E+31
n5
3.5257554800351E+39
2 √n
9010.0088790189
3 √n
432.9955961413
4 √n
94.921066571225
5 √n
38.184761958716
1 , 2 , 4 , 7 , 14 , 28 , 35 , 70 , 140 , 245 , 490 , 980 , 82837 , 165674 , 331348 , 579859 , 1159718 , 2319436 , 2899295 , 5798590 , 11597180 , 20295065 , 40590130 , 81180260
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
-81180259
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 81180260 can be divided by 24 positive divisors.
The sum of these divisors (counting 81180260) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101101011011001100100
3
Ternary
12122202101101022
4
Quaternary
10311223121210
5
Quinary
131240232020
6
Senary
12015550312
8
Octal
465533144
10
Decimal
81180260
12
Duodecimal
2322b398
16
Hexadecimal
4d6b664
20
Vigesimal
1577ad0
36
Base36
1cbz38
md5
15847f3a848e534c69a3bf0892320368
sha1
8e3c56a928403c985b2bb1f7cdb323070fef3e18
sha256
d45a3a5cb7f9699040fc2fb783a9ad2c3c9a08b06d7aada4a6b62a250776eb8a
sha512
bc0ff2e84c26337085e6abde6e00f2020fb818a3b05e2e8672fa7b90e8e29e23e9429ebbb6d98a9af1daa226823ac830cf4308f33ad1d31790a8edc0c1f7ab4d
ripemd-160
a611ac25d21e0d0c0c0d8749f16092f52ee1be1c
Diameter
162360520
Circumference
510070616.86502
Area
2.0703832647731E+16
Volume
2.2409900231191E+24
Surface area
8.2815330590925E+16
Circumference
510070616.86502
Perimeter
324721040
Area
6590234613667600
Diagonal
114806224.68897
Surface area
39541407682005600
Volume
5.3499695939854E+23
Space diagonal
140608334.89165
Perimeter
243540780
Area
2.8536552961678E+15
Altitude
70304167.445826
Surface area
2.8536552961678E+15
Volume
6.3049996317481E+22
Height
38268741.562991