82142787 is an odd 8-digits composite number following 82142786
and preceding 82142788 . In scientific notation, it is written as 8.2142787 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 54761856 positive integers (up to 82142787) that are relatively prime to 82142787.
82142787 has 4 divisors, whose sum is 109523720
The reverse of 82142787 is 78724128
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-two million one hundred forty-two thousand seven hundred eighty-seven
Scientific notation
8.2142787 × 10^7
Engineering notation
8.2142787 × 10^6
Prime Factorization
3 × 27380929
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82142787
Product of the distinct prime numbers
The prime factorization of 82142787 is 3 × 27380929.
Since it has a total of 2 prime factors.
7 , 4 , 17 , 85 , 203 , 105 , 4801 , 5422 , 1933 , 76105 , 887542 , 931284 , 5363845 , 7747399 , 36843166 , 13948937 , 877323764 , 271114657 , 9428861798 , 7254410134
n×2
164285574
n×3
246428361
n×4
328571148
n×5
410713935
n÷2
41071393.5
n÷3
27380929
n÷3
20535696.75
n÷5
16428557.4
n2
6747437456127369
n3
5.5425331775449E+23
n4
4.5527912224351E+31
n5
3.7397895963995E+39
2 √n
9063.2658021267
3 √n
434.70017124411
4 √n
95.201185928153
5 √n
38.274884318383
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
-82142786
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 82142787 can be divided by 4 positive divisors.
The sum of these divisors (counting 82142787) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001010110011001000011
3
Ternary
12201120021201110
4
Quaternary
10321112121003
5
Quinary
132012032122
6
Senary
12052334403
8
Octal
471263103
10
Decimal
82142787
12
Duodecimal
23614403
16
Hexadecimal
4e56643
20
Vigesimal
15d7gj7
36
Base36
1cwls3
md5
37026a05b8f37bab3b95f7ee8b82b52f
sha1
359524f838219a211269faab7c2e64371a06fb22
sha256
57bf21e6315468c98d64ab703b7d1f272cbbf3ef07223033e292d5af434b3fff
sha512
b63d5b2059b138ec76af9f529f644559296616d918679d0defa08e2542eac7b1c90780d39549228708ff3b383546835e61a4f8f6ee22ad0c9c13738286754c6c
ripemd-160
678ff5dbb7c1de73e1407ff474f0268e45f52e84
Diameter
164285574
Circumference
516118352.36918
Area
2.1197699942726E+16
Volume
2.3216508683804E+24
Surface area
8.4790799770905E+16
Circumference
516118352.36918
Perimeter
328571148
Area
6747437456127369
Diagonal
116167443.42652
Surface area
40484624736764214
Volume
5.5425331775449E+23
Space diagonal
142275480.55931
Perimeter
246428361
Area
2.9217261237265E+15
Altitude
71137740.279654
Surface area
2.9217261237265E+15
Volume
6.5319379913224E+22
Height
38722481.142175