81746650 is an even 8-digits composite number following 81746649
and preceding 81746651 . In scientific notation, it is written as 8.1746650 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 31570560 positive integers (up to 81746650) that are relatively prime to 81746650.
81746650 has 24 divisors, whose sum is 157294620
The reverse of 81746650 is 05664718
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million seven hundred forty-six thousand six hundred fifty
Scientific notation
8.1746650 × 10^7
Engineering notation
8.1746650 × 10^6
Prime Factorization
2 × 5 × 5 × 29 × 56377
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16349330
Product of the distinct prime numbers
The prime factorization of 81746650 is 2 × 5 × 5 × 29 × 56377.
Since it has a total of 5 prime factors.
3 , 10 , 62 , 64 , 938 , 330 , 7031 , 7009 , 59609 , 63640 , 250362 , 331845 , 2847357 , 6617014 , 17723801 , 54543575 , 23579740 , 613816545 , 5437770408 , 3163376296
n×2
163493300
n×3
245239950
n×4
326986600
n×5
408733250
n÷2
40873325
n÷3
27248883.333333
n÷3
20436662.5
n÷5
16349330
n2
6682514786222500
n3
5.4627319734916E+23
n4
4.4656003868082E+31
n5
3.6504787186028E+39
2 √n
9041.3854026913
3 √n
434.00025837583
4 √n
95.086199854087
5 √n
38.237896455519
1 , 2 , 5 , 10 , 25 , 29 , 50 , 58 , 145 , 290 , 725 , 1450 , 56377 , 112754 , 281885 , 563770 , 1409425 , 1634933 , 2818850 , 3269866 , 8174665 , 16349330 , 40873325 , 81746650
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
-81746649
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 81746650 can be divided by 24 positive divisors.
The sum of these divisors (counting 81746650) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111110101101011011010
3
Ternary
12200211011022201
4
Quaternary
10313311223122
5
Quinary
131411343100
6
Senary
12040040414
8
Octal
467655332
10
Decimal
81746650
12
Duodecimal
2346310a
16
Hexadecimal
4df5ada
20
Vigesimal
15ai6ca
36
Base36
1co44a
md5
cd0f8dde105ad548195743e86958c7c4
sha1
42bf074bd219b120f7a31dc65cc80370b8300229
sha256
d7dc5666bcf10d7f93776e84dfb1d5127f3a7921064e7b561e691941da72a009
sha512
6156e7df77ddc6a980c86cbe6902e972816d63ea97af9c549479043be2fc3f04f22a72edb1f6086557ff487215b36a7df7693cb52651d29a8c6d778f16365731
ripemd-160
62ec9907de9b685dc0aeb0bc741829faee435362
Diameter
163493300
Circumference
513629350.19115
Area
2.0993739359902E+16
Volume
2.2882238181935E+24
Surface area
8.3974957439607E+16
Circumference
513629350.19115
Perimeter
326986600
Area
6682514786222500
Diagonal
115607221.10857
Surface area
40095088717335000
Volume
5.4627319734916E+23
Space diagonal
141589351.14855
Perimeter
245239950
Area
2.8936137830169E+15
Altitude
70794675.574275
Surface area
2.8936137830169E+15
Volume
6.4378913704341E+22
Height
38535740.369522