42865981 is an odd 8-digits composite number following 42865980
and preceding 42865982 . In scientific notation, it is written as 4.2865981 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 42163200 positive integers (up to 42865981) that are relatively prime to 42865981.
42865981 has 4 divisors, whose sum is 43568764
The reverse of 42865981 is 18956824
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
forty-two million eight hundred sixty-five thousand nine hundred eighty-one
Scientific notation
4.2865981 × 10^7
Engineering notation
4.2865981 × 10^6
Prime Factorization
61 × 702721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42865981
Product of the distinct prime numbers
The prime factorization of 42865981 is 61 × 702721.
Since it has a total of 2 prime factors.
9 , 5 , 91 , 50 , 353 , 709 , 1732 , 6306 , 22971 , 62177 , 764558 , 512623 , 1082868 , 6944176 , 7502817 , 70119484 , 797747172 , 395748359 , 4623981167 , 147198739
n×2
85731962
n×3
128597943
n×4
171463924
n×5
214329905
n÷2
21432990.5
n÷3
14288660.333333
n÷3
10716495.25
n÷5
8573196.2
n2
1837492327092361
n3
7.8765911180787E+22
n4
3.3763780521233E+30
n5
1.4473175743113E+38
2 √n
6547.2116965927
3 √n
349.97545678239
4 √n
80.914842251547
5 √n
33.606443423063
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
-42865980
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 42865981 can be divided by 4 positive divisors.
The sum of these divisors (counting 42865981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100011100001010100111101
3
Ternary
2222122211001221
4
Quaternary
2203201110331
5
Quinary
41433202411
6
Senary
4130433341
8
Octal
243412475
10
Decimal
42865981
12
Duodecimal
12432851
16
Hexadecimal
28e153d
20
Vigesimal
d7i4j1
36
Base36
pirlp
md5
8abfd9813ba0c10332cd299b5aff2f99
sha1
66db08484f102cb6599f8f58e0629082de9d7168
sha256
81d2b72df7184122011f659a4383b49e34451348eb49c3a589e8f77e0ba6fe44
sha512
ab3a177ddaa775ce9055ed01313672b648ca48b4b5a5487196070184352c457edb54266bf9b20aa7b268a65ceda949bf023e7f6bd637f8195b4a3dc37d1efd86
ripemd-160
43040647e1413f0fa3f8cd0d4270c01314d5fba6
Diameter
85731962
Circumference
269334901.99704
Area
5.772652395821E+15
Volume
3.2993387722516E+23
Surface area
2.3090609583284E+16
Circumference
269334901.99704
Perimeter
171463924
Area
1837492327092361
Diagonal
60621651.694627
Surface area
11024953962554166
Volume
7.8765911180787E+22
Space diagonal
74246057.008282
Perimeter
128597943
Area
7.9565751726048E+14
Altitude
37123028.504141
Surface area
7.9565751726048E+14
Volume
9.282651653712E+21
Height
20207217.231542