42439905 is an odd 8-digits composite number following 42439904
and preceding 42439906 . In scientific notation, it is written as 4.2439905 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 20557824 positive integers (up to 42439905) that are relatively prime to 42439905.
42439905 has 16 divisors, whose sum is 56730960
The reverse of 42439905 is 50993424
Previous prime number is 493
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
forty-two million four hundred thirty-nine thousand nine hundred five
Scientific notation
4.2439905 × 10^7
Engineering notation
4.2439905 × 10^6
Prime Factorization
9 × 5 × 493 × 1913
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42439905
Product of the distinct prime numbers
The prime factorization of 42439905 is 9 × 5 × 493 × 1913.
Since it has a total of 4 prime factors.
1 , 9 , 38 , 47 , 283 , 402 , 850 , 1986 , 25772 , 11357 , 334340 , 797667 , 8922039 , 6409309 , 15854733 , 41067332 , 808980896 , 504814204 , 9457971830 , 5243208957
n×2
84879810
n×3
127319715
n×4
169759620
n×5
212199525
n÷2
21219952.5
n÷3
14146635
n÷3
10609976.25
n÷5
8487981
n2
1801145536409025
n3
7.6440445456373E+22
n4
3.2441252433262E+30
n5
1.3768036713486E+38
2 √n
6514.5916986408
3 √n
348.81204045231
4 √n
80.71302062642
5 √n
33.539368456318
1 , 5 , 9 , 45 , 493 , 1913 , 2465 , 4437 , 9565 , 17217 , 22185 , 86085 , 943109 , 4715545 , 8487981 , 42439905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42439904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42439905 can be divided by 16 positive divisors.
The sum of these divisors (counting 42439905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100001111001010011100001
3
Ternary
2221212011121100
4
Quaternary
2201321103201
5
Quinary
41331034110
6
Senary
4113345013
8
Octal
241712341
10
Decimal
42439905
12
Duodecimal
12268169
16
Hexadecimal
28794e1
20
Vigesimal
d54jf5
36
Base36
p9mu9
md5
c2c88282bbbb7c2bb4e5be3106089909
sha1
69ab0765a18b6b62f61d828f6d1d036d227dffa4
sha256
c347434c0f1b6f8663d6fa12002c111e48bc19da588fd257ae05cfe834722b7c
sha512
cfe89c27415fe674da59f32e7c559e7b902a47296c3e6b22cf8d43ca166efc70445ee70222ce59f783a48114197893729345589c5d6bbac625110193f3765f20
ripemd-160
5244d088cd624b4545a3f7c4f6f8646df277561c
Diameter
84879810
Circumference
266657787.5341
Area
5.6584655852286E+15
Volume
3.2019298917716E+23
Surface area
2.2633862340915E+16
Circumference
266657787.5341
Perimeter
169759620
Area
1801145536409025
Diagonal
60019089.236826
Surface area
10806873218454150
Volume
7.6440445456373E+22
Space diagonal
73508071.728396
Perimeter
127319715
Area
7.7991889522158E+14
Altitude
36754035.864198
Surface area
7.7991889522158E+14
Volume
9.0085928898536E+21
Height
20006363.078942