42012785 is an odd 8-digits composite number following 42012784
and preceding 42012786 . In scientific notation, it is written as 4.2012785 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 33384064 positive integers (up to 42012785) that are relatively prime to 42012785.
42012785 has 8 divisors, whose sum is 50754600
The reverse of 42012785 is 58721024
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
forty-two million twelve thousand seven hundred eighty-five
Scientific notation
4.2012785 × 10^7
Engineering notation
4.2012785 × 10^6
Prime Factorization
5 × 149 × 56393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42012785
Product of the distinct prime numbers
The prime factorization of 42012785 is 5 × 149 × 56393.
Since it has a total of 3 prime factors.
9 , 9 , 16 , 33 , 852 , 728 , 5810 , 5639 , 65994 , 7876 , 214587 , 929514 , 5286947 , 7340038 , 62919919 , 53280908 , 136972991 , 960068061 , 8472742833 , 9799118813
n×2
84025570
n×3
126038355
n×4
168051140
n×5
210063925
n÷2
21006392.5
n÷3
14004261.666667
n÷3
10503196.25
n÷5
8402557
n2
1765074103456225
n3
7.4155678817574E+22
n4
3.1154865906918E+30
n5
1.3089026830512E+38
2 √n
6481.7270075189
3 √n
347.63793154584
4 √n
80.509173437062
5 √n
33.471586238266
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
-42012784
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 42012785 can be divided by 8 positive divisors.
The sum of these divisors (counting 42012785) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000010001000001110001
3
Ternary
2221001110201002
4
Quaternary
2200101001301
5
Quinary
41223402120
6
Senary
4100251345
8
Octal
240210161
10
Decimal
42012785
12
Duodecimal
120a0b55
16
Hexadecimal
2811071
20
Vigesimal
d2bbj5
36
Base36
p0h9t
md5
44126bf97d2e4bb358a965403bfd640e
sha1
39bb3d782d488d80889a3674d4dfe14880789ac3
sha256
2e6f8dbffa06b6ecb3469b297cd2ead361acb5548ec96c3576655f3e14e93b99
sha512
7eab088a11525812333b09c4d728f8c839a651089501cca5a4a01848b9c828c808babc59625a73f98a39989f3da7b61c686e8cf88b425ebc4f29b709b4b44352
ripemd-160
0756d3bda68020f313bf4b9306197d0111cb85a9
Diameter
84025570
Circumference
263974113.42569
Area
5.5451438364597E+15
Volume
3.1062258106034E+23
Surface area
2.2180575345839E+16
Circumference
263974113.42569
Perimeter
168051140
Area
1765074103456225
Diagonal
59415050.340065
Surface area
10590444620737350
Volume
7.4155678817574E+22
Space diagonal
72768278.187468
Perimeter
126038355
Area
7.6429950657757E+14
Altitude
36384139.093734
Surface area
7.6429950657757E+14
Volume
8.739330559233E+21
Height
19805016.780022