82143721 is an odd 8-digits composite number following 82143720
and preceding 82143722 . In scientific notation, it is written as 8.2143721 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 74676100 positive integers (up to 82143721) that are relatively prime to 82143721.
82143721 has 4 divisors, whose sum is 89611344
The reverse of 82143721 is 12734128
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-two million one hundred forty-three thousand seven hundred twenty-one
Scientific notation
8.2143721 × 10^7
Engineering notation
8.2143721 × 10^6
Prime Factorization
11 × 7467611
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82143721
Product of the distinct prime numbers
The prime factorization of 82143721 is 11 × 7467611.
Since it has a total of 2 prime factors.
8 , 4 , 46 , 35 , 468 , 764 , 6356 , 4761 , 29612 , 15555 , 584736 , 993661 , 3788695 , 7212041 , 90750817 , 3960878 , 495359878 , 527958364 , 751759816 , 8957709577
n×2
164287442
n×3
246431163
n×4
328574884
n×5
410718605
n÷2
41071860.5
n÷3
27381240.333333
n÷3
20535930.25
n÷5
16428744.2
n2
6747590899725841
n3
5.5427222428922E+23
n4
4.5529982950063E+31
n5
3.7400022165847E+39
2 √n
9063.3173286606
3 √n
434.70181881592
4 √n
95.201456546949
5 √n
38.274971358476
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
-82143720
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 82143721 can be divided by 4 positive divisors.
The sum of these divisors (counting 82143721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001010110100111101001
3
Ternary
12201120100000001
4
Quaternary
10321112213221
5
Quinary
132012044341
6
Senary
12052343001
8
Octal
471264751
10
Decimal
82143721
12
Duodecimal
23614a61
16
Hexadecimal
4e569e9
20
Vigesimal
15d7j61
36
Base36
1cwmi1
md5
051a6bd8a94abe065443b9c6700c6bef
sha1
2dcc0e49728718bb6b8719a8f5095e5dfb9a2d92
sha256
99e0e5af2650dda5e5c78ec5ffaa4c67245d6de62a7217b1a1702d8eefb3d3bb
sha512
1fdc1ccafdfeb5bb279d34538035d18b16b9d145f7dea75ea0e8b46aa6958460ce5fc821b9ef5efab0453b3aeb1c51085e9fbe576a55881d47a44843347a65a8
ripemd-160
f96929f96c7849c668a589b6314756215e73d39a
Diameter
164287442
Circumference
516124220.86426
Area
2.1198182000008E+16
Volume
2.3217300638878E+24
Surface area
8.4792728000032E+16
Circumference
516124220.86426
Perimeter
328574884
Area
6747590899725841
Diagonal
116168764.30199
Surface area
40485545398355046
Volume
5.5427222428922E+23
Space diagonal
142277098.29476
Perimeter
246431163
Area
2.9217925667536E+15
Altitude
71138549.147381
Surface area
2.9217925667536E+15
Volume
6.532160806971E+22
Height
38722921.433997