82161839 is an odd 8-digits composite number following 82161838
and preceding 82161840 . In scientific notation, it is written as 8.2161839 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 81004560 positive integers (up to 82161839) that are relatively prime to 82161839.
82161839 has 4 divisors, whose sum is 83319120
The reverse of 82161839 is 93816128
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-two million one hundred sixty-one thousand eight hundred thirty-nine
Scientific notation
8.2161839 × 10^7
Engineering notation
8.2161839 × 10^6
Prime Factorization
71 × 1157209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82161839
Product of the distinct prime numbers
The prime factorization of 82161839 is 71 × 1157209.
Since it has a total of 2 prime factors.
10 , 1 , 26 , 94 , 381 , 702 , 1100 , 2921 , 6875 , 40162 , 906972 , 966137 , 2874 , 5650115 , 27992666 , 3759273 , 752525370 , 195631735 , 3122153998 , 3769967983
n×2
164323678
n×3
246485517
n×4
328647356
n×5
410809195
n÷2
41080919.5
n÷3
27387279.666667
n÷3
20540459.75
n÷5
16432367.8
n2
6750567787861921
n3
5.546390637449E+23
n4
4.5570165458519E+31
n5
3.7441285976062E+39
2 √n
9064.3167971999
3 √n
434.73377641608
4 √n
95.206705631483
5 √n
38.276659630566
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
-82161838
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 82161839 can be divided by 4 positive divisors.
The sum of these divisors (counting 82161839) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001011011000010101111
3
Ternary
12201121020212002
4
Quaternary
10321123002233
5
Quinary
132013134324
6
Senary
12053002515
8
Octal
471330257
10
Decimal
82161839
12
Duodecimal
2362343b
16
Hexadecimal
4e5b0af
20
Vigesimal
15da4bj
36
Base36
1cx0hb
md5
afca3b90f7f8bbc5e23aae2971ef764d
sha1
0968753818dfc7c70074b32fd8725f98a61bbb39
sha256
e1fe2b47f6f70e6c169c538ec2ac4951ee9c5b0360ce888122d48319407188f0
sha512
97d7ca1834b3b7a38da6987dab96a7aec84a2bcc45d1dbdc28ce57582ab7ddd3f48360d6807fcb5d5f3d733f93ba3ad09a45885f26240a94558f3476de913876
ripemd-160
4ff795c8a51e33739bb73c36a638a24843eaa5f1
Diameter
164323678
Circumference
516238059.61565
Area
2.1207534169907E+16
Volume
2.3232666774065E+24
Surface area
8.4830136679628E+16
Circumference
516238059.61565
Perimeter
328647356
Area
6750567787861921
Diagonal
116194387.02331
Surface area
40503406727171526
Volume
5.546390637449E+23
Space diagonal
142308479.59129
Perimeter
246485517
Area
2.9230815971287E+15
Altitude
71154239.795647
Surface area
2.9230815971287E+15
Volume
6.5364840514162E+22
Height
38731462.341105