47945 is an odd 5-digits composite number following 47944
and preceding 47946 . In scientific notation, it is written as 4.7945 × 10^4.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 37296 positive integers (up to 47945) that are relatively prime to 47945.
47945 has 8 divisors, whose sum is 59136
The reverse of 47945 is 54974
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 29
Digital Root 2
Name
forty-seven thousand nine hundred forty-five
Scientific notation
4.7945 × 10^4
Engineering notation
4.7945 × 10^3
Prime Factorization
5 × 43 × 223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
47945
Product of the distinct prime numbers
The prime factorization of 47945 is 5 × 43 × 223.
Since it has a total of 3 prime factors.
4 , 2 , 58 , 57 , 257 , 224 , 1927 , 1205 , 2660 , 34385 , 994981 , 471710 , 8674046 , 4912182 , 5083717 , 73485909 , 368963010 , 693420560 , 4716840443 , 9472204629
n×2
95890
n×3
143835
n×4
191780
n×5
239725
n÷2
23972.5
n÷3
15981.666666667
n÷3
11986.25
n÷5
9589
n2
2298723025
n3
110212275433625
n4
5284127545665150625
n5
2.5334749517692E+23
2 √n
218.96346727251
3 √n
36.328525769271
4 √n
14.797414208993
5 √n
8.632740070017
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
-47944
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 47945 can be divided by 8 positive divisors.
The sum of these divisors (counting 47945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011101101001001
3
Ternary
2102202202
4
Quaternary
23231021
5
Quinary
3013240
6
Senary
1005545
8
Octal
135511
10
Decimal
47945
12
Duodecimal
238b5
16
Hexadecimal
bb49
20
Vigesimal
5jh5
36
Base36
10zt
md5
8cefcfbbb18a9d66fba810ee21af4061
sha1
bd26e9505f1af2b9cfe9ceb08628f1fecaf79377
sha256
d289212823858e5f4e2e49e3d1b2a8a5dcee1fd986c44f0ff2976a3035f88871
sha512
7bff006c210bc222634ff22cd7d93d729500fe68d44dbd37fd84b65b2cc6b0f9f117471ba86b9360c512eca7f0e4191705e5892d8963f10b7cc782759f6cc680
ripemd-160
0841371309166c68e3b7d9889bb8172063c6c531
Diameter
95890
Circumference
301247.31955273
Area
7221651367.9777
Volume
4.6165609978359E+14
Surface area
28886605471.911
Circumference
301247.31955273
Perimeter
191780
Area
2298723025
Diagonal
67804.469247978
Surface area
13792338150
Volume
110212275433625
Space diagonal
83043.17596889
Perimeter
143835
Area
995376267.95711
Altitude
41521.587984445
Surface area
995376267.95711
Volume
12988641221519
Height
22601.489749326