82161744 is an even 8-digits composite number following 82161743
and preceding 82161745 . In scientific notation, it is written as 8.2161744 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors.
There are 23474688 positive integers (up to 82161744) that are relatively prime to 82161744.
82161744 has 20 divisors, whose sum is 166769460
The reverse of 82161744 is 44716128
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-two million one hundred sixty-one thousand seven hundred forty-four
Scientific notation
8.2161744 × 10^7
Engineering notation
8.2161744 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 21 × 244529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10270218
Product of the distinct prime numbers
The prime factorization of 82161744 is 2 × 2 × 2 × 2 × 21 × 244529.
Since it has a total of 6 prime factors.
1 , 6 , 11 , 64 , 833 , 823 , 3550 , 3182 , 95538 , 84955 , 942669 , 632040 , 7543432 , 3552128 , 66156066 , 47456955 , 420829718 , 120659685 , 340818182 , 1659846797
n×2
164323488
n×3
246485232
n×4
328646976
n×5
410808720
n÷2
41080872
n÷3
27387248
n÷3
20540436
n÷5
16432348.8
n2
6750552177121536
n3
5.546371398353E+23
n4
4.556995469604E+31
n5
3.7441069518277E+39
2 √n
9064.3115568696
3 √n
434.73360886171
4 √n
95.206678110675
5 √n
38.276650779049
1 , 2 , 4 , 8 , 16 , 21 , 42 , 84 , 168 , 336 , 244529 , 489058 , 978116 , 1956232 , 3912464 , 5135109 , 10270218 , 20540436 , 41080872 , 82161744
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82161743
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82161744 can be divided by 20 positive divisors.
The sum of these divisors (counting 82161744) is 1, the average is 0.05.
Base
System
Value
2
Binary
100111001011011000001010000
3
Ternary
12201121020201120
4
Quaternary
10321123001100
5
Quinary
132013133434
6
Senary
12053002240
8
Octal
471330120
10
Decimal
82161744
12
Duodecimal
23623380
16
Hexadecimal
4e5b050
20
Vigesimal
15da474
36
Base36
1cx0eo
md5
5d0e207036bdf2541c6da91230071a54
sha1
0b141b67cab52f72e1cfa7141644609337c2d4da
sha256
fdc71dbfebf8732d1d71281d1e7f1ace9b273ca2752e75070c1830b18358ce77
sha512
894e2a4ec06bb5f2accc3d53831d8b6ccc3b76fc8a811b9ee59816e4a4ab649bbb88338ededaa2fc5aed502a1d8927804ad9985b61a1229799200d165ce0455b
ripemd-160
0d35a2f522c2633ccb88428a3aee191e949c79cd
Diameter
164323488
Circumference
516237462.71305
Area
2.120748512732E+16
Volume
2.3232586185529E+24
Surface area
8.4829940509278E+16
Circumference
516237462.71305
Perimeter
328646976
Area
6750552177121536
Diagonal
116194252.67303
Surface area
40503313062729216
Volume
5.546371398353E+23
Space diagonal
142308315.04647
Perimeter
246485232
Area
2.9230748374798E+15
Altitude
71154157.523234
Surface area
2.9230748374798E+15
Volume
6.5364613779242E+22
Height
38731417.557675