12542785 is an odd 8-digits composite number following 12542784
and preceding 12542786 . In scientific notation, it is written as 1.2542785 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10034224 positive integers (up to 12542785) that are relatively prime to 12542785.
12542785 has 4 divisors, whose sum is 15051348
The reverse of 12542785 is 58724521
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million five hundred forty-two thousand seven hundred eighty-five
Scientific notation
1.2542785 × 10^7
Engineering notation
1.2542785 × 10^6
Prime Factorization
5 × 2508557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12542785
Product of the distinct prime numbers
The prime factorization of 12542785 is 5 × 2508557.
Since it has a total of 2 prime factors.
2 , 10 , 28 , 27 , 117 , 145 , 483 , 7137 , 99037 , 9892 , 993087 , 950169 , 1292581 , 8413968 , 5988852 , 63272154 , 758780114 , 816504604 , 8843219426 , 5609007102
n×2
25085570
n×3
37628355
n×4
50171140
n×5
62713925
n÷2
6271392.5
n÷3
4180928.3333333
n÷3
3135696.25
n÷5
2508557
n2
157321455556225
n3
1.9732491929288E+21
n4
2.4750040378329E+28
n5
3.104344352067E+35
2 √n
3541.5794499065
3 √n
232.34392732029
4 √n
59.511170799326
5 √n
26.283233636215
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
-12542784
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 12542785 can be divided by 4 positive divisors.
The sum of these divisors (counting 12542785) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111110110001101000001
3
Ternary
212121020110121
4
Quaternary
233312031001
5
Quinary
11202332120
6
Senary
1124500241
8
Octal
57661501
10
Decimal
12542785
12
Duodecimal
424a681
16
Hexadecimal
bf6341
20
Vigesimal
3i7gj5
36
Base36
7gu2p
md5
e12a195780617ac61b6e30c5403f05b8
sha1
09920deb9ce6ad8ce90e65d9f02fdbf8f1963966
sha256
8780e0e1afb4e6be548a7c2f04089600a32c2911ca92ee69408000b2be24a66a
sha512
d13d4b8a590a2d874d415cd7ab67574b4d1c1939b7f6914b0f70dd32685e2698294f0a85dce9ff7c2b02a884b848cc74e683a125464dbd9dd3a0c371c7a338ac
ripemd-160
87efcd291cf816b2303e1f27289bb481a517df2f
Diameter
25085570
Circumference
78808642.423113
Area
4.9423992902749E+14
Volume
8.2655268909427E+21
Surface area
1.97695971611E+15
Circumference
78808642.423113
Perimeter
50171140
Area
157321455556225
Diagonal
17738176.65693
Surface area
943928733337350
Volume
1.9732491929288E+21
Space diagonal
21724740.888413
Perimeter
37628355
Area
68122188536018
Altitude
10862370.444206
Surface area
68122188536018
Volume
2.3254964754847E+20
Height
5912725.5523099