42447981 is an odd 8-digits composite number following 42447980
and preceding 42447982 . In scientific notation, it is written as 4.2447981 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 28298652 positive integers (up to 42447981) that are relatively prime to 42447981.
42447981 has 4 divisors, whose sum is 56597312
The reverse of 42447981 is 18974424
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
forty-two million four hundred forty-seven thousand nine hundred eighty-one
Scientific notation
4.2447981 × 10^7
Engineering notation
4.2447981 × 10^6
Prime Factorization
3 × 14149327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42447981
Product of the distinct prime numbers
The prime factorization of 42447981 is 3 × 14149327.
Since it has a total of 2 prime factors.
8 , 2 , 54 , 56 , 179 , 653 , 8820 , 2180 , 30424 , 66143 , 937106 , 981170 , 8274024 , 4387250 , 90250137 , 60102565 , 330051888 , 464893692 , 9606309650 , 3942223223
n×2
84895962
n×3
127343943
n×4
169791924
n×5
212239905
n÷2
21223990.5
n÷3
14149327
n÷3
10611995.25
n÷5
8489596.2
n2
1801831090976361
n3
7.6484091914974E+22
n4
3.2465952804091E+30
n5
1.3781141477749E+38
2 √n
6515.2115084623
3 √n
348.83416449942
4 √n
80.716860125146
5 √n
33.540644817916
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42447980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42447981 can be divided by 4 positive divisors.
The sum of these divisors (counting 42447981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100001111011010001101101
3
Ternary
2221212120200110
4
Quaternary
2201323101231
5
Quinary
41331313411
6
Senary
4113450233
8
Octal
241732155
10
Decimal
42447981
12
Duodecimal
12270979
16
Hexadecimal
287b46d
20
Vigesimal
d55jj1
36
Base36
p9t2l
md5
c488889babfda1d116ee0520e842fdc0
sha1
597a73083ed4aabebbea3b7c3deae026d46b6b7c
sha256
57c055849aa3219cff780d09e089a241c25d6557d92171a7728541ea407c3d66
sha512
1f517da0196de844e7d970113ed7ae0680ce3df84c1483c516f0167053aacbd086775fc0af0022d0567dad4b0b0f5f021854f752cb68a1d4b50d308848bfeca2
ripemd-160
a0ae6a349c992eedb59b534dd0cc0f62ac8168d8
Diameter
84895962
Circumference
266708530.53864
Area
5.660619318421E+15
Volume
3.2037581503542E+23
Surface area
2.2642477273684E+16
Circumference
266708530.53864
Perimeter
169791924
Area
1801831090976361
Diagonal
60030510.425555
Surface area
10810986545858166
Volume
7.6484091914974E+22
Space diagonal
73522059.770718
Perimeter
127343943
Area
7.8021574905708E+14
Altitude
36761029.885359
Surface area
7.8021574905708E+14
Volume
9.0137366743289E+21
Height
20010170.141852