42187861 is an odd 8-digits composite number following 42187860
and preceding 42187862 . In scientific notation, it is written as 4.2187861 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 42144300 positive integers (up to 42187861) that are relatively prime to 42187861.
42187861 has 4 divisors, whose sum is 42231424
The reverse of 42187861 is 16878124
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
forty-two million one hundred eighty-seven thousand eight hundred sixty-one
Scientific notation
4.2187861 × 10^7
Engineering notation
4.2187861 × 10^6
Prime Factorization
991 × 42571
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42187861
Product of the distinct prime numbers
The prime factorization of 42187861 is 991 × 42571.
Since it has a total of 2 prime factors.
4 , 7 , 85 , 61 , 294 , 26 , 3045 , 6847 , 90616 , 50484 , 551506 , 974503 , 7446099 , 9351503 , 46694677 , 10239473 , 129555757 , 767506053 , 6825762851 , 3693236889
n×2
84375722
n×3
126563583
n×4
168751444
n×5
210939305
n÷2
21093930.5
n÷3
14062620.333333
n÷3
10546965.25
n÷5
8437572.2
n2
1779815615755321
n3
7.5086613803115E+22
n4
3.1677436260865E+30
n5
1.3364032778097E+38
2 √n
6495.2183181168
3 √n
348.12015547432
4 √n
80.592917294988
5 √n
33.499436464004
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
-42187860
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 42187861 can be divided by 4 positive divisors.
The sum of these divisors (counting 42187861) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000111011110001010101
3
Ternary
2221101100212101
4
Quaternary
2200323301111
5
Quinary
41300002421
6
Senary
4104122101
8
Octal
240736125
10
Decimal
42187861
12
Duodecimal
12166331
16
Hexadecimal
283bc55
20
Vigesimal
d3d9d1
36
Base36
p48d1
md5
4ac5e16e893935c3192067227851e641
sha1
a55e1d515db0e1d1420ae3ee340b87e04a5cf46b
sha256
d427bf2265958597bd6ccf2712dc16dc862d5ad8a1cf9933b527517f7a2c3e7e
sha512
d437471ff7a61e78f53f7558d2005902265a9653cf5fbe940af2d809d32c6c471c1bf1ca6bea87e5a525a35919766c1cf986a15ee87229075a3eed37ab10cea9
ripemd-160
6a97a979b1b01f693aa758dd473ab53f472169f5
Diameter
84375722
Circumference
265074148.37653
Area
5.5914556632013E+15
Volume
3.1452207240907E+23
Surface area
2.2365822652805E+16
Circumference
265074148.37653
Perimeter
168751444
Area
1779815615755321
Diagonal
59662645.193711
Surface area
10678893694531926
Volume
7.5086613803115E+22
Space diagonal
73071518.714654
Perimeter
126563583
Area
7.7068276864818E+14
Altitude
36535759.357327
Surface area
7.7068276864818E+14
Volume
8.8490422994197E+21
Height
19887548.397904