42785871 is an odd 8-digits composite number following 42785870
and preceding 42785872 . In scientific notation, it is written as 4.2785871 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 28461120 positive integers (up to 42785871) that are relatively prime to 42785871.
42785871 has 8 divisors, whose sum is 57173424
The reverse of 42785871 is 17858724
Previous prime number is 461
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
forty-two million seven hundred eighty-five thousand eight hundred seventy-one
Scientific notation
4.2785871 × 10^7
Engineering notation
4.2785871 × 10^6
Prime Factorization
3 × 461 × 30937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42785871
Product of the distinct prime numbers
The prime factorization of 42785871 is 3 × 461 × 30937.
Since it has a total of 3 prime factors.
1 , 3 , 42 , 43 , 186 , 871 , 6755 , 1661 , 46423 , 5281 , 184684 , 561927 , 2666555 , 787785 , 30652445 , 69256889 , 876138895 , 710068641 , 8737123672 , 3842163119
n×2
85571742
n×3
128357613
n×4
171143484
n×5
213929355
n÷2
21392935.5
n÷3
14261957
n÷3
10696467.75
n÷5
8557174.2
n2
1830630757228641
n3
7.8325131427417E+22
n4
3.3512089693115E+30
n5
1.4338439465501E+38
2 √n
6541.0909640518
3 √n
349.75730385798
4 √n
80.877011344707
5 √n
33.593872956164
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
-42785870
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 42785871 can be divided by 8 positive divisors.
The sum of these divisors (counting 42785871) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011001101110001001111
3
Ternary
2222111202011220
4
Quaternary
2203031301033
5
Quinary
41423121441
6
Senary
4125014423
8
Octal
243156117
10
Decimal
42785871
12
Duodecimal
123b4413
16
Hexadecimal
28cdc4f
20
Vigesimal
d784db
36
Base36
ph1sf
md5
a342538e31df8767991918cd5d995590
sha1
59a94e5785c169ee2066c80ca825eb53da8615f6
sha256
1df317bec9fa46c294116cd32d49f1e00fb98f674c3b89bcda16865ec81c2396
sha512
39f0d71961d44c18e1c7f6d41e5ed280a7f087bb3b7e837fdf59f87fb734049e5bbf35ee84b418083a59733755a498f6eb7b361345a99fe528eab1dfa978ab72
ripemd-160
c20a3df9b2be9219d8eb6a0e98dfccb2a0c31a3b
Diameter
85571742
Circumference
268831556.02208
Area
5.751096138345E+15
Volume
3.2808754331177E+23
Surface area
2.300438455338E+16
Circumference
268831556.02208
Perimeter
171143484
Area
1830630757228641
Diagonal
60508359.046146
Surface area
10983784543371846
Volume
7.8325131427417E+22
Space diagonal
74107302.418088
Perimeter
128357613
Area
7.9268637035457E+14
Altitude
37053651.209044
Surface area
7.9268637035457E+14
Volume
9.230705261609E+21
Height
20169453.015382