42656781 is an odd 8-digits composite number following 42656780
and preceding 42656782 . In scientific notation, it is written as 4.2656781 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 28437852 positive integers (up to 42656781) that are relatively prime to 42656781.
42656781 has 4 divisors, whose sum is 56875712
The reverse of 42656781 is 18765624
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
forty-two million six hundred fifty-six thousand seven hundred eighty-one
Scientific notation
4.2656781 × 10^7
Engineering notation
4.2656781 × 10^6
Prime Factorization
3 × 14218927
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42656781
Product of the distinct prime numbers
The prime factorization of 42656781 is 3 × 14218927.
Since it has a total of 2 prime factors.
1 , 9 , 39 , 4 , 272 , 214 , 3458 , 1117 , 82324 , 14678 , 750579 , 561979 , 1953483 , 5916732 , 27341150 , 30306383 , 882986221 , 744966194 , 4840213538 , 3244620488
n×2
85313562
n×3
127970343
n×4
170627124
n×5
213283905
n÷2
21328390.5
n÷3
14218927
n÷3
10664195.25
n÷5
8531356.2
n2
1819600965281961
n3
7.7618319883421E+22
n4
3.310947672855E+30
n5
1.4123436978344E+38
2 √n
6531.2158898631
3 √n
349.40519654347
4 √n
80.815938340547
5 √n
33.573577115012
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
-42656780
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 42656781 can be divided by 4 positive divisors.
The sum of these divisors (counting 42656781) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100010101110010000001101
3
Ternary
2222021012002210
4
Quaternary
2202232100031
5
Quinary
41410004111
6
Senary
4122141033
8
Octal
242562015
10
Decimal
42656781
12
Duodecimal
12351779
16
Hexadecimal
28ae40d
20
Vigesimal
d6c1j1
36
Base36
pea6l
md5
aaa3d4a20e8d7aefefdcab8322c6e607
sha1
76535446ee7df93730701125d44271468b72072c
sha256
f34e3df24736c8d9c096927cdc3da01e5ff4c6015609d48a51fcafb69813b563
sha512
3f4104e1d8f7d016958e4c20af599d44d1d0161c285c77d52901fa599fcd8757e6a6c0e799d72c4e67c09d388a669e4c30c3363996035a92c7d2381e5b58c69a
ripemd-160
ca678cce102464f25585ec550d676dbf4beb09cb
Diameter
85313562
Circumference
268020459.63078
Area
5.7164450249947E+15
Volume
3.2512685803965E+23
Surface area
2.2865780099979E+16
Circumference
268020459.63078
Perimeter
170627124
Area
1819600965281961
Diagonal
60325798.217379
Surface area
10917605791691766
Volume
7.7618319883421E+22
Space diagonal
73883711.979339
Perimeter
127970343
Area
7.8791033034243E+14
Altitude
36941855.989669
Surface area
7.8791033034243E+14
Volume
9.1474067223123E+21
Height
20108599.405793