82149905 is an odd 8-digits composite number following 82149904
and preceding 82149906 . In scientific notation, it is written as 8.2149905 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 62713728 positive integers (up to 82149905) that are relatively prime to 82149905.
82149905 has 16 divisors, whose sum is 103109760
The reverse of 82149905 is 50994128
Previous prime number is 809
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-two million one hundred forty-nine thousand nine hundred five
Scientific notation
8.2149905 × 10^7
Engineering notation
8.2149905 × 10^6
Prime Factorization
5 × 23 × 809 × 883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82149905
Product of the distinct prime numbers
The prime factorization of 82149905 is 5 × 23 × 809 × 883.
Since it has a total of 4 prime factors.
3 , 3 , 85 , 29 , 402 , 54 , 7140 , 4724 , 21757 , 81519 , 33361 , 288066 , 2288485 , 8047150 , 58115971 , 70103712 , 562818989 , 214195859 , 6797570838 , 6154339766
n×2
164299810
n×3
246449715
n×4
328599620
n×5
410749525
n÷2
41074952.5
n÷3
27383301.666667
n÷3
20537476.25
n÷5
16429981
n2
6748606891509025
n3
5.5439741501981E+23
n4
4.5543694976123E+31
n5
3.7414102156375E+39
2 √n
9063.6584776789
3 √n
434.71272704911
4 √n
95.203248251721
5 √n
38.275547629657
1 , 5 , 23 , 115 , 809 , 883 , 4045 , 4415 , 18607 , 20309 , 93035 , 101545 , 714347 , 3571735 , 16429981 , 82149905
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
-82149904
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 82149905 can be divided by 16 positive divisors.
The sum of these divisors (counting 82149905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001011000001000010001
3
Ternary
12201120122111002
4
Quaternary
10321120020101
5
Quinary
132012244110
6
Senary
12052431345
8
Octal
471301021
10
Decimal
82149905
12
Duodecimal
23618555
16
Hexadecimal
4e58211
20
Vigesimal
15d8ef5
36
Base36
1cwr9t
md5
e6047c35c60bb17d46d96aeb73b2fcb1
sha1
85767513fbcfa3eab6e6142db2862b331fad96f6
sha256
771a00c5606e9fcd848e459e6bf2c40a5e946449d4ae0678c8f25a2d69628b91
sha512
4f2d3d65a54d0f716d04db15c91c4f42af01d1732e596e50fd425a79b289709cf49ec6986fa20fe06b95f8d94d1eee249918fa2c9477bbcfadfb0ca821810d41
ripemd-160
66637c360b1f043b3aea5b2602cc75b92abb33b0
Diameter
164299810
Circumference
516163076.0822
Area
2.120137383233E+16
Volume
2.3222544615939E+24
Surface area
8.4805495329321E+16
Circumference
516163076.0822
Perimeter
328599620
Area
6748606891509025
Diagonal
116177509.79866
Surface area
40491641349054150
Volume
5.5439741501981E+23
Space diagonal
142287809.29696
Perimeter
246449715
Area
2.9222325041008E+15
Altitude
71143904.648478
Surface area
2.9222325041008E+15
Volume
6.53363619388E+22
Height
38725836.599554