82161745 is an odd 8-digits composite number following 82161744
and preceding 82161746 . In scientific notation, it is written as 8.2161745 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 63912960 positive integers (up to 82161745) that are relatively prime to 82161745.
82161745 has 16 divisors, whose sum is 101335248
The reverse of 82161745 is 54716128
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-two million one hundred sixty-one thousand seven hundred forty-five
Scientific notation
8.2161745 × 10^7
Engineering notation
8.2161745 × 10^6
Prime Factorization
5 × 41 × 457 × 877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82161745
Product of the distinct prime numbers
The prime factorization of 82161745 is 5 × 41 × 457 × 877.
Since it has a total of 4 prime factors.
1 , 9 , 54 , 38 , 656 , 284 , 3311 , 7143 , 80247 , 763 , 62740 , 257417 , 9907429 , 3942224 , 22416447 , 73185509 , 728701839 , 291773247 , 207107952 , 7368851341
n×2
164323490
n×3
246485235
n×4
328646980
n×5
410808725
n÷2
41080872.5
n÷3
27387248.333333
n÷3
20540436.25
n÷5
16432349
n2
6750552341445025
n3
5.5463716008696E+23
n4
4.5569956914589E+31
n5
3.7441071796774E+39
2 √n
9064.311612031
3 √n
434.73361062544
4 √n
95.206678400367
5 √n
38.276650872223
1 , 5 , 41 , 205 , 457 , 877 , 2285 , 4385 , 18737 , 35957 , 93685 , 179785 , 400789 , 2003945 , 16432349 , 82161745
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82161744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82161745 can be divided by 16 positive divisors.
The sum of these divisors (counting 82161745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001011011000001010001
3
Ternary
12201121020201121
4
Quaternary
10321123001101
5
Quinary
132013133440
6
Senary
12053002241
8
Octal
471330121
10
Decimal
82161745
12
Duodecimal
23623381
16
Hexadecimal
4e5b051
20
Vigesimal
15da475
36
Base36
1cx0ep
md5
bfb92af7d10d64ce52a76209de82ed2e
sha1
7009c76366d3f1cdb36690162828b3ee2c84bcd9
sha256
bdde71bc146785da7c5fa4ddda3be9d2c4925c287029a2d82000f318f3ac97bf
sha512
ca7fef3d7c7bad73611a5ea06755ee2692a1c2e388c07e61fc7a6bc3cacb3597a997355055adedd2f6866e2f986b3ea725e1c377f05825744f6c1832a720f1b4
ripemd-160
1ce607616a3e5874fe8f6c364ccbcead9676fb12
Diameter
164323490
Circumference
516237468.99624
Area
2.1207485643557E+16
Volume
2.3232587033828E+24
Surface area
8.4829942574228E+16
Circumference
516237468.99624
Perimeter
328646980
Area
6750552341445025
Diagonal
116194254.08724
Surface area
40503314048670150
Volume
5.5463716008696E+23
Space diagonal
142308316.77852
Perimeter
246485235
Area
2.923074908634E+15
Altitude
71154158.389259
Surface area
2.923074908634E+15
Volume
6.5364616165923E+22
Height
38731418.02908