81275300 is an even 8-digits composite number following 81275299
and preceding 81275301 . In scientific notation, it is written as 8.1275300 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 30597120 positive integers (up to 81275300) that are relatively prime to 81275300.
81275300 has 24 divisors, whose sum is 156625560
The reverse of 81275300 is 00357218
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million two hundred seventy-five thousand three hundred
Scientific notation
8.1275300 × 10^7
Engineering notation
8.1275300 × 10^6
Prime Factorization
2 × 2 × 25 × 17 × 47809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40637650
Product of the distinct prime numbers
The prime factorization of 81275300 is 2 × 2 × 25 × 17 × 47809.
Since it has a total of 5 prime factors.
4 , 7 , 39 , 10 , 382 , 142 , 5923 , 6523 , 72591 , 12606 , 597787 , 72133 , 7066923 , 5462467 , 38785289 , 36407355 , 709770481 , 52723061 , 5906447210 , 2459727487
n×2
162550600
n×3
243825900
n×4
325101200
n×5
406376500
n÷2
40637650
n÷3
27091766.666667
n÷3
20318825
n÷5
16255060
n2
6605674390090000
n3
5.3687816775688E+23
n4
4.3634934147891E+31
n5
3.5464423633501E+39
2 √n
9015.2814709248
3 √n
433.16450359354
4 √n
94.948836069353
5 √n
38.193698568437
1 , 2 , 4 , 17 , 25 , 34 , 50 , 68 , 100 , 425 , 850 , 1700 , 47809 , 95618 , 191236 , 812753 , 1195225 , 1625506 , 2390450 , 3251012 , 4780900 , 20318825 , 40637650 , 81275300
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
-81275299
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 81275300 can be divided by 24 positive divisors.
The sum of these divisors (counting 81275300) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110000010100110100100
3
Ternary
12122221012202022
4
Quaternary
10312002212210
5
Quinary
131301302200
6
Senary
12022002312
8
Octal
466024644
10
Decimal
81275300
12
Duodecimal
23276398
16
Hexadecimal
4d829a4
20
Vigesimal
157j850
36
Base36
1ce0f8
md5
01d0cde05eb5d714cc614df52ed785ed
sha1
451e88f8d2b9e9091a149a2c8b5e8b852a1fb131
sha256
c37fe8bfb4bd97e2ce66f27078e31937d7e1b6c950777b1b143516c371c5d1e0
sha512
52bb62697515b8d9ebdae002cfb7f7c8b28710e441daa565bd9eb5262af00da9ba68ddfc4583ac4b301bdec303b0f47fd8b6fc260bdd3f75117a2cf82db70375
ripemd-160
9633035ece08eddcf2a8c79429edae9a30db2a1f
Diameter
162550600
Circumference
510667770.79661
Area
2.0752338135913E+16
Volume
2.2488700102637E+24
Surface area
8.3009352543652E+16
Circumference
510667770.79661
Perimeter
325101200
Area
6605674390090000
Diagonal
114940631.54594
Surface area
39634046340540000
Volume
5.3687816775688E+23
Space diagonal
140772949.0004
Perimeter
243825900
Area
2.8603409154731E+15
Altitude
70386474.500201
Surface area
2.8603409154731E+15
Volume
6.327169884865E+22
Height
38313543.848647