81363903 is an odd 8-digits composite number following 81363902
and preceding 81363904 . In scientific notation, it is written as 8.1363903 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 51405552 positive integers (up to 81363903) that are relatively prime to 81363903.
81363903 has 24 divisors, whose sum is 114457728
The reverse of 81363903 is 30936318
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million three hundred sixty-three thousand nine hundred three
Scientific notation
8.1363903 × 10^7
Engineering notation
8.1363903 × 10^6
Prime Factorization
3 × 23 × 23 × 167 × 307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3537561
Product of the distinct prime numbers
The prime factorization of 81363903 is 3 × 23 × 23 × 167 × 307.
Since it has a total of 5 prime factors.
4 , 2 , 54 , 9 , 594 , 92 , 5417 , 5268 , 11397 , 30086 , 750360 , 838512 , 9579821 , 1674242 , 61403598 , 42612543 , 829381468 , 993889031 , 5146686511 , 7765191678
n×2
162727806
n×3
244091709
n×4
325455612
n×5
406819515
n÷2
40681951.5
n÷3
27121301
n÷3
20340975.75
n÷5
16272780.6
n2
6620084711393409
n3
5.386359303096E+23
n4
4.3825521586025E+31
n5
3.5658154872497E+39
2 √n
9020.1941775108
3 √n
433.32185249004
4 √n
94.974702829284
5 √n
38.202022380386
1 , 3 , 23 , 69 , 167 , 307 , 501 , 529 , 921 , 1587 , 3841 , 7061 , 11523 , 21183 , 51269 , 88343 , 153807 , 162403 , 265029 , 487209 , 1179187 , 3537561 , 27121301 , 81363903
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81363902
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81363903 can be divided by 24 positive divisors.
The sum of these divisors (counting 81363903) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110011000001110111111
3
Ternary
12200002201021220
4
Quaternary
10312120032333
5
Quinary
131312121103
6
Senary
12023524423
8
Octal
466301677
10
Decimal
81363903
12
Duodecimal
232b9713
16
Hexadecimal
4d983bf
20
Vigesimal
158a9f3
36
Base36
1cfwsf
md5
ed6051d1ac99293e7149c591cd47aa2b
sha1
3c55be7bc9339e9923488fec34a46bcdd902e7b9
sha256
a56c35ad70d4d976164a466d9bda676b402197a843f0a8f001343f9cfa4bf67c
sha512
72eed3d7d1a43e912adfc0bfbd48ca595fea55d3ced50f0a79acccad4b723748b8e25f73f5b2f1aed68c8569e383e81f952e1866a17d4d8a8c812103692735df
ripemd-160
319aabe98a40cfdc112a50cc2de11563e4d997c0
Diameter
162727806
Circumference
511224479.86439
Area
2.0797609495456E+16
Volume
2.2562329088268E+24
Surface area
8.3190437981823E+16
Circumference
511224479.86439
Perimeter
325455612
Area
6620084711393409
Diagonal
115065935.11021
Surface area
39720508268360454
Volume
5.386359303096E+23
Space diagonal
140926413.89811
Perimeter
244091709
Area
2.8665807676358E+15
Altitude
70463206.949053
Surface area
2.8665807676358E+15
Volume
6.3478853152107E+22
Height
38355311.703403