82142821 is an odd 8-digits composite number following 82142820
and preceding 82142822 . In scientific notation, it is written as 8.2142821 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 78571372 positive integers (up to 82142821) that are relatively prime to 82142821.
82142821 has 4 divisors, whose sum is 85714272
The reverse of 82142821 is 12824128
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-two million one hundred forty-two thousand eight hundred twenty-one
Scientific notation
8.2142821 × 10^7
Engineering notation
8.2142821 × 10^6
Prime Factorization
23 × 3571427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82142821
Product of the distinct prime numbers
The prime factorization of 82142821 is 23 × 3571427.
Since it has a total of 2 prime factors.
10 , 5 , 92 , 93 , 574 , 380 , 7637 , 1836 , 43032 , 2147 , 700972 , 291336 , 5770322 , 6884478 , 41967617 , 66985596 , 908161353 , 852906279 , 8191081077 , 1269052999
n×2
164285642
n×3
246428463
n×4
328571284
n×5
410714105
n÷2
41071410.5
n÷3
27380940.333333
n÷3
20535705.25
n÷5
16428564.2
n2
6747443041838041
n3
5.542540059934E+23
n4
4.5527987602849E+31
n5
3.739797336151E+39
2 √n
9063.2676778301
3 √n
434.70023122018
4 √n
95.201195779413
5 √n
38.27488748688
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
-82142820
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 82142821 can be divided by 4 positive divisors.
The sum of these divisors (counting 82142821) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001010110011001100101
3
Ternary
12201120021202201
4
Quaternary
10321112121211
5
Quinary
132012032241
6
Senary
12052334501
8
Octal
471263145
10
Decimal
82142821
12
Duodecimal
23614431
16
Hexadecimal
4e56665
20
Vigesimal
15d7h11
36
Base36
1cwlt1
md5
e36ee17842e6513d7bc8a5aa8216876f
sha1
d8bee9aaa3cc5e4c59212f88fec0a69e12bd4ab2
sha256
1a575358c3b1282b42453462a16e41f71583b53006b99f4db2294e66f9a8a15a
sha512
280102b40320a2fab722191ebb129b0750da7727d4185b78fce0bb91fd141aa1bed75d8b3f4a9fa018ced90edeb68b915a00b76058b53f368afb1a12992bdb6b
ripemd-160
3cdaa9cd8a74baffcb211893da1e47014cd2f523
Diameter
164285642
Circumference
516118565.99748
Area
2.1197717490754E+16
Volume
2.3216537512688E+24
Surface area
8.4790869963016E+16
Circumference
516118565.99748
Perimeter
328571284
Area
6747443041838041
Diagonal
116167491.50979
Surface area
40484658251028246
Volume
5.542540059934E+23
Space diagonal
142275539.44904
Perimeter
246428463
Area
2.9217285424101E+15
Altitude
71137769.724518
Surface area
2.9217285424101E+15
Volume
6.5319461022957E+22
Height
38722497.169928