82147721 is an odd 8-digits composite number following 82147720
and preceding 82147722 . In scientific notation, it is written as 8.2147721 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 80597712 positive integers (up to 82147721) that are relatively prime to 82147721.
82147721 has 4 divisors, whose sum is 83697732
The reverse of 82147721 is 12774128
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-two million one hundred forty-seven thousand seven hundred twenty-one
Scientific notation
8.2147721 × 10^7
Engineering notation
8.2147721 × 10^6
Prime Factorization
53 × 1549957
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82147721
Product of the distinct prime numbers
The prime factorization of 82147721 is 53 × 1549957.
Since it has a total of 2 prime factors.
3 , 9 , 22 , 29 , 488 , 190 , 5377 , 8996 , 69087 , 95066 , 666525 , 399719 , 5924177 , 3367402 , 40187251 , 54001984 , 274335364 , 579467241 , 8785356731 , 7393299531
n×2
164295442
n×3
246443163
n×4
328590884
n×5
410738605
n÷2
41073860.5
n÷3
27382573.666667
n÷3
20536930.25
n÷5
16429544.2
n2
6748248065493841
n3
5.5435319932298E+23
n4
4.5538851953441E+31
n5
3.7409129049316E+39
2 √n
9063.5379957277
3 √n
434.70887465671
4 √n
95.202615487852
5 √n
38.275344112234
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82147720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82147721 can be divided by 4 positive divisors.
The sum of these divisors (counting 82147721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001010111100110001001
3
Ternary
12201120112111012
4
Quaternary
10321113212021
5
Quinary
132012211341
6
Senary
12052413305
8
Octal
471274611
10
Decimal
82147721
12
Duodecimal
23617235
16
Hexadecimal
4e57989
20
Vigesimal
15d8961
36
Base36
1cwpl5
md5
5dbbabd92b7d4f402c5a81cecc58ea50
sha1
3b768f6c58ffea7600048a4580eb0c8be6aedb80
sha256
dedb6df5a34e4c7f521eeef86e67b2a08fee6ee9c5f0a9c3ca7c081c9dc5f85b
sha512
a9e592361c8ab1445945a72f6de579f5460082c8332530ef3a629b19e6f1836ff7a7d6b83eacbe6087fea0d1972e692439c758332c48d97814ec71c2b9103327
ripemd-160
48bca6971cdf5f58e609a30ac1be0f8208c6ff1e
Diameter
164295442
Circumference
516149353.60549
Area
2.1200246547157E+16
Volume
2.3220692513161E+24
Surface area
8.4800986188628E+16
Circumference
516149353.60549
Perimeter
328590884
Area
6748248065493841
Diagonal
116174421.15624
Surface area
40489488392963046
Volume
5.5435319932298E+23
Space diagonal
142284026.49799
Perimeter
246443163
Area
2.9220771278784E+15
Altitude
71142013.248996
Surface area
2.9220771278784E+15
Volume
6.5331151068956E+22
Height
38724807.05208