47921981 is an odd 8-digits prime number following 47921980
and preceding 47921982 . In scientific notation, it is written as 4.7921981 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 47921980 positive integers (up to 47921981) that are relatively prime to 47921981.
47921981 has 2 divisors, whose sum is 47921982
The reverse of 47921981 is 18912974
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
forty-seven million nine hundred twenty-one thousand nine hundred eighty-one
Scientific notation
4.7921981 × 10^7
Engineering notation
4.7921981 × 10^6
Prime Factorization
47921981
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
47921981 Product of the distinct prime numbers
The prime factorization of 47921981 is 47921981.
Since it has a total of 1 prime factors.
9 , 6 , 56 , 36 , 432 , 752 , 5631 , 5997 , 48520 , 16301 , 140608 , 416028 , 2783281 , 9386550 , 21718962 , 69814181 , 789767687 , 774387048 , 1980397142 , 9947791791
n×2
95843962
n×3
143765943
n×4
191687924
n×5
239609905
n÷2
23960990.5
n÷3
15973993.666667
n÷3
11980495.25
n÷5
9584396.2
n2
2296516262964361
n3
1.1005360871997E+23
n4
5.2739869460598E+30
n5
2.5273990222333E+38
2 √n6922.5704041201
3 √n363.22710910571
4 √n83.20198557799
5 √n34.364256540388
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
47921982 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
23960991 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
6922.5704763476 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999582655 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 47921981 can be divided by 2 positive divisors.
The sum of these divisors (counting 47921981) is 47921982, the average is 23960991.
Base
System
Value
2
Binary
10110110110011101100111101
3
Ternary
10100011200121012
4
Quaternary
2312303230331
5
Quinary
44232000411
6
Senary
4431045005
8
Octal
266635475
10
Decimal
47921981
12
Duodecimal
14070765
16
Hexadecimal
2db3b3d
20
Vigesimal
eja4j1
36
Base36
sj4u5
md5
8deeb96c0c800cfaa7cd8194527a04b0
sha1
dddfcdfb3231283550f463fc5d4aa98070ec17f5
sha256
d89405d07bd7b574bb46d496a87618e1f3242cee3275e09dc6af76fc36df69ac
sha512
c2135d92ca0c2238e35914ffcba42264b44c76098efa19fda55bd08fbd013d7989791ca943e2305303445d8a75e42418692bd648bc881a7d638e8e9100cb7080
ripemd-160
9e6670656f1829c6cadbcba482663b45df03a80f
Diameter
95843962
Circumference
301102686.91014
Area
7.2147186205783E+15
Volume
4.609914782076E+23
Surface area
2.8858874482313E+16
Circumference
301102686.91014
Perimeter
191687924
Area
2296516262964361
Diagonal
67771915.465986
Surface area
13779097577786166
Volume
1.1005360871997E+23
Space diagonal
83003305.89135
Perimeter
143765943
Area
9.9442071196562E+14
Altitude
41501652.945675
Surface area
9.9442071196562E+14
Volume
1.296994216999E+22
Height
22590638.488662