47991905 is an odd 8-digits composite number following 47991904
and preceding 47991906 . In scientific notation, it is written as 4.7991905 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 35354880 positive integers (up to 47991905) that are relatively prime to 47991905.
47991905 has 16 divisors, whose sum is 62169744
The reverse of 47991905 is 50919974
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
forty-seven million nine hundred ninety-one thousand nine hundred five
Scientific notation
4.7991905 × 10^7
Engineering notation
4.7991905 × 10^6
Prime Factorization
13 × 5 × 661 × 1117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
47991905
Product of the distinct prime numbers
The prime factorization of 47991905 is 13 × 5 × 661 × 1117.
Since it has a total of 4 prime factors.
1 , 4 , 7 , 88 , 969 , 215 , 3832 , 7088 , 95316 , 68902 , 176602 , 860407 , 5012753 , 3871766 , 95634618 , 87531736 , 949977542 , 129717343 , 1682024907 , 1829704893
n×2
95983810
n×3
143975715
n×4
191967620
n×5
239959525
n÷2
23995952.5
n÷3
15997301.666667
n÷3
11997976.25
n÷5
9598381
n2
2303222945529025
n3
1.1053605679565E+23
n4
5.3048359368114E+30
n5
2.5458918232004E+38
2 √n
6927.6189993388
3 √n
363.40368743007
4 √n
83.232319439859
5 √n
34.374279018631
1 , 5 , 13 , 65 , 661 , 1117 , 3305 , 5585 , 8593 , 14521 , 42965 , 72605 , 738337 , 3691685 , 9598381 , 47991905
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
-47991904
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 47991905 can be divided by 16 positive divisors.
The sum of these divisors (counting 47991905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10110111000100110001100001
3
Ternary
10100022020111222
4
Quaternary
2313010301201
5
Quinary
44241220110
6
Senary
4432344425
8
Octal
267046141
10
Decimal
47991905
12
Duodecimal
140a5115
16
Hexadecimal
2dc4c61
20
Vigesimal
ejijf5
36
Base36
skmsh
md5
96f1a4e0e74cb5c006d44c0c80713296
sha1
22a3746235bcdd2dd4fbb4f9aad72c73eb82947b
sha256
bfb537dcb45361cd71fcc67d0844e21f8ea2ffa11345d07c09cc2bfba46d7af5
sha512
104d8f7003808b3fe4c79794f1c61d751b458a249a8948fe0a6ee6cc2ca529a711ea5b60f6444748b24952124cd3f2a291c5ab886367d8b2a631d1914e31f82f
ripemd-160
b5124cd03a7c86e5d45fd4d69c7e6e3f018485db
Diameter
95983810
Circumference
301542032.35956
Area
7.2357882852534E+15
Volume
4.6301235198133E+23
Surface area
2.8943153141014E+16
Circumference
301542032.35956
Perimeter
191967620
Area
2303222945529025
Diagonal
67870802.935121
Surface area
13819337673174150
Volume
1.1053605679565E+23
Space diagonal
83124417.812019
Perimeter
143975715
Area
9.9732479070368E+14
Altitude
41562208.906009
Surface area
9.9732479070368E+14
Volume
1.3026799220971E+22
Height
22623600.978374