81103863 is an odd 8-digits composite number following 81103862
and preceding 81103864 . In scientific notation, it is written as 8.1103863 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 52354560 positive integers (up to 81103863) that are relatively prime to 81103863.
81103863 has 16 divisors, whose sum is 111607776
The reverse of 81103863 is 36830118
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million one hundred three thousand eight hundred sixty-three
Scientific notation
8.1103863 × 10^7
Engineering notation
8.1103863 × 10^6
Prime Factorization
3 × 41 × 137 × 4813
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81103863
Product of the distinct prime numbers
The prime factorization of 81103863 is 3 × 41 × 137 × 4813.
Since it has a total of 4 prime factors.
9 , 8 , 98 , 4 , 343 , 801 , 3805 , 1407 , 33928 , 83151 , 2662 , 449246 , 118563 , 4619779 , 92467201 , 52604730 , 328509426 , 684029521 , 4883112214 , 3228431215
n×2
162207726
n×3
243311589
n×4
324415452
n×5
405519315
n÷2
40551931.5
n÷3
27034621
n÷3
20275965.75
n÷5
16220772.6
n2
6577836593522769
n3
5.3348795791746E+23
n4
4.3267934251087E+31
n5
3.5091966117932E+39
2 √n
9005.7683181392
3 √n
432.8597258907
4 √n
94.898726641295
5 √n
38.177572279831
1 , 3 , 41 , 123 , 137 , 411 , 4813 , 5617 , 14439 , 16851 , 197333 , 591999 , 659381 , 1978143 , 27034621 , 81103863
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
-81103862
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 81103863 can be divided by 16 positive divisors.
The sum of these divisors (counting 81103863) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011000101111110111
3
Ternary
12122121111120210
4
Quaternary
10311120233313
5
Quinary
131230310423
6
Senary
12014200503
8
Octal
465305767
10
Decimal
81103863
12
Duodecimal
231b3133
16
Hexadecimal
4d58bf7
20
Vigesimal
156hjd3
36
Base36
1cac53
md5
18ba5a91905524a5f4589969e174dfb7
sha1
8c45a4e1b5a5ca1cae4d0591cf7ce770debc1dd4
sha256
30731704ffc13a933f72a45bdce01333ed3c62ee9169f6d2fbb2489150750fc2
sha512
62e093eeff304c0f9b62933c75181e077479fb65293dfd5ee3be631a7d9cfcbe52fafbd350846c994beaba36a8840a24cbc6a5b4ab269bc6fbea39625c7f59bd
ripemd-160
4d5c07636e4a7e5ec216c25ce795f1a10d376adc
Diameter
162207726
Circumference
509590600.35711
Area
2.0664883118725E+16
Volume
2.2346691324961E+24
Surface area
8.2659532474901E+16
Circumference
509590600.35711
Perimeter
324415452
Area
6577836593522769
Diagonal
114698183.01545
Surface area
39467019561136614
Volume
5.3348795791746E+23
Space diagonal
140476011.40611
Perimeter
243311589
Area
2.8482867959668E+15
Altitude
70238005.703053
Surface area
2.8482867959668E+15
Volume
6.2872158787466E+22
Height
38232727.671816