42171905 is an odd 8-digits composite number following 42171904
and preceding 42171906 . In scientific notation, it is written as 4.2171905 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 33494256 positive integers (up to 42171905) that are relatively prime to 42171905.
42171905 has 8 divisors, whose sum is 50971200
The reverse of 42171905 is 50917124
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
forty-two million one hundred seventy-one thousand nine hundred five
Scientific notation
4.2171905 × 10^7
Engineering notation
4.2171905 × 10^6
Prime Factorization
5 × 139 × 60679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42171905
Product of the distinct prime numbers
The prime factorization of 42171905 is 5 × 139 × 60679.
Since it has a total of 3 prime factors.
6 , 9 , 70 , 78 , 55 , 942 , 4323 , 4814 , 25404 , 34099 , 173667 , 930861 , 1372527 , 9483787 , 22577996 , 47866901 , 191388415 , 410854024 , 1414933496 , 222050615
n×2
84343810
n×3
126515715
n×4
168687620
n×5
210859525
n÷2
21085952.5
n÷3
14057301.666667
n÷3
10542976.25
n÷5
8434381
n2
1778469571329025
n3
7.5001449807478E+22
n4
3.1629540161432E+30
n5
1.3338779628816E+38
2 √n
6493.9899137587
3 √n
348.07626207709
4 √n
80.585295890496
5 √n
33.496902095688
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42171904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42171905 can be divided by 8 positive divisors.
The sum of these divisors (counting 42171905) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000110111111000000001
3
Ternary
2221100112222102
4
Quaternary
2200313320001
5
Quinary
41244000110
6
Senary
4103520145
8
Octal
240677001
10
Decimal
42171905
12
Duodecimal
12159055
16
Hexadecimal
2837e01
20
Vigesimal
d3b9f5
36
Base36
p3w1t
md5
5985793e68b6ce314fce2b82f4c857d2
sha1
24f60c9eff35e4498ba79da16ea845c9fe670ddb
sha256
bda2bca57a2f6beff0e87942953d617066feaf458a1b1649470275e44f233572
sha512
427ede7bdd44078d5a82df9d3023853c3b6de082c808baa0c20e3c6310d1275c5a9f53544fb2e6a4eed1992c0541f703f15002c6ba288e11a592885e337198cd
ripemd-160
0a41302c25a339506a45b561a9a11a7686110e31
Diameter
84343810
Circumference
264973893.87177
Area
5.5872269399203E+15
Volume
3.1416533829834E+23
Surface area
2.2348907759681E+16
Circumference
264973893.87177
Perimeter
168687620
Area
1778469571329025
Diagonal
59640080.00211
Surface area
10670817427974150
Volume
7.5001449807478E+22
Space diagonal
73043882.111968
Perimeter
126515715
Area
7.7009991431428E+14
Altitude
36521941.055984
Surface area
7.7009991431428E+14
Volume
8.8390056262817E+21
Height
19880026.66737