81639303 is an odd 8-digits composite number following 81639302
and preceding 81639304 . In scientific notation, it is written as 8.1639303 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 53503608 positive integers (up to 81639303) that are relatively prime to 81639303.
81639303 has 8 divisors, whose sum is 110697600
The reverse of 81639303 is 30393618
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million six hundred thirty-nine thousand three hundred three
Scientific notation
8.1639303 × 10^7
Engineering notation
8.1639303 × 10^6
Prime Factorization
3 × 59 × 461239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81639303
Product of the distinct prime numbers
The prime factorization of 81639303 is 3 × 59 × 461239.
Since it has a total of 3 prime factors.
6 , 8 , 99 , 23 , 840 , 788 , 4617 , 4421 , 79965 , 14108 , 42474 , 959380 , 676024 , 2713059 , 34352402 , 29745806 , 146182644 , 603761242 , 5337944519 , 7849963718
n×2
163278606
n×3
244917909
n×4
326557212
n×5
408196515
n÷2
40819651.5
n÷3
27213101
n÷3
20409825.75
n÷5
16327860.6
n2
6664975794325809
n3
5.4412397836063E+23
n4
4.4421902338949E+31
n5
3.6265731448859E+39
2 √n
9035.4470282327
3 √n
433.8102035601
4 √n
95.054968456324
5 √n
38.22784862788
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81639302
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81639303 can be divided by 8 positive divisors.
The sum of these divisors (counting 81639303) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111011011011110000111
3
Ternary
12200121201001220
4
Quaternary
10313123132013
5
Quinary
131344424203
6
Senary
12033451423
8
Octal
467333607
10
Decimal
81639303
12
Duodecimal
23410b73
16
Hexadecimal
4ddb787
20
Vigesimal
15a4i53
36
Base36
1cltaf
md5
4d19f62a1d391c75722e1847e40034d2
sha1
b45c3afe32875730a0e35b42048d2715a0df52e0
sha256
d3cba73fc21ff7eca18c2a5b6af2deae1fd6f988a482e7959dbe3d4058758cd0
sha512
63e8e79ac5ddf9c6809a90e75eb12eeafb5b515c870529dc5af2743980512636db068c8d0a6fa160b8f62569cb2da5cc85bd2233a288a3a680630aacbcc985e9
ripemd-160
dfffa063cdd5b5dc2217542419882d7f79cf817f
Diameter
163278606
Circumference
512954869.09798
Area
2.0938638991808E+16
Volume
2.2792211907464E+24
Surface area
8.3754555967231E+16
Circumference
512954869.09798
Perimeter
326557212
Area
6664975794325809
Diagonal
115455409.52529
Surface area
39989854765954854
Volume
5.4412397836063E+23
Space diagonal
141403420.69051
Perimeter
244917909
Area
2.8860191767473E+15
Altitude
70701710.345255
Surface area
2.8860191767473E+15
Volume
6.4125625817501E+22
Height
38485136.508429