47981 is an odd 5-digits prime number following 47980
and preceding 47982 . In scientific notation, it is written as 4.7981 × 10^4.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 47980 positive integers (up to 47981) that are relatively prime to 47981.
47981 has 2 divisors, whose sum is 47982
The reverse of 47981 is 18974
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 29
Digital Root 2
Name
forty-seven thousand nine hundred eighty-one
Scientific notation
4.7981 × 10^4
Engineering notation
4.7981 × 10^3
Prime Factorization
47981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
47981
Product of the distinct prime numbers
The prime factorization of 47981 is 47981.
Since it has a total of 1 prime factors.
10 , 9 , 83 , 21 , 315 , 527 , 4031 , 9550 , 80690 , 83668 , 429060 , 376991 , 841515 , 548945 , 99298827 , 76873279 , 584111459 , 241504940 , 9758183142 , 149566728
n×2
95962
n×3
143943
n×4
191924
n×5
239905
n÷2
23990.5
n÷3
15993.666666667
n÷3
11995.25
n÷5
9596.2
n2
2302176361
n3
110460723977141
n4
5300015997147202321
n5
2.5430006755912E+23
2 √n
219.04565734111
3 √n
36.337616044464
4 √n
14.800191125155
5 √n
8.634036077292
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
47982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
23991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
219.04793995836
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999583177025
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 47981 can be divided by 2 positive divisors.
The sum of these divisors (counting 47981) is 47982, the average is 23991.
Base
System
Value
2
Binary
1011101101101101
3
Ternary
2102211002
4
Quaternary
23231231
5
Quinary
3013411
6
Senary
1010045
8
Octal
135555
10
Decimal
47981
12
Duodecimal
23925
16
Hexadecimal
bb6d
20
Vigesimal
5jj1
36
Base36
110t
md5
44007f34034857cf878ebe2f0fa15e06
sha1
79c851b0e2dbc34d97302d125b62e126bb2d5b40
sha256
fbfa6f4622e6a01a4e60e88c63a7bde2dad8f99db13571d33b03bbc68277164d
sha512
bfc003ff81d6441644950d62f8d4827478a14d70914d26e24075cf06122d4583be47a6d5c84611c1ea47217690364923f4f26cf5479205fcdc3bfbb2e811ce9e
ripemd-160
8b46c769ae4600474d4fc965b8af747b6a4e577d
Diameter
95962
Circumference
301473.51422378
Area
7232500342.9857
Volume
4.6269679860906E+14
Surface area
28930001371.943
Circumference
301473.51422378
Perimeter
191924
Area
2302176361
Diagonal
67855.380936223
Surface area
13813058166
Volume
110460723977141
Space diagonal
83105.529797962
Perimeter
143943
Area
996871606.30901
Altitude
41552.764898981
Surface area
996871606.30901
Volume
13017921163169
Height
22618.460312074