42781438 is an even 8-digits composite number following 42781437
and preceding 42781439 . In scientific notation, it is written as 4.2781438 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 17702496 positive integers (up to 42781438) that are relatively prime to 42781438.
42781438 has 16 divisors, whose sum is 75869280
The reverse of 42781438 is 83418724
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
forty-two million seven hundred eighty-one thousand four hundred thirty-eight
Scientific notation
4.2781438 × 10^7
Engineering notation
4.2781438 × 10^6
Prime Factorization
2 × 7 × 29 × 105373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42781438
Product of the distinct prime numbers
The prime factorization of 42781438 is 2 × 7 × 29 × 105373.
Since it has a total of 4 prime factors.
9 , 8 , 44 , 58 , 266 , 296 , 1993 , 4558 , 50639 , 33112 , 196855 , 92813 , 4485745 , 2301852 , 32889652 , 79219796 , 105229582 , 389310114 , 3553916919 , 2993682238
n×2
85562876
n×3
128344314
n×4
171125752
n×5
213907190
n÷2
21390719
n÷3
14260479.333333
n÷3
10695359.5
n÷5
8556287.6
n2
1830251437347844
n3
7.8300788391308E+22
n4
3.3498203239138E+30
n5
1.4331013049866E+38
2 √n
6540.7520974273
3 √n
349.74522410951
4 √n
80.874916367359
5 √n
33.593176802001
1 , 2 , 7 , 14 , 29 , 58 , 203 , 406 , 105373 , 210746 , 737611 , 1475222 , 3055817 , 6111634 , 21390719 , 42781438
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42781437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42781438 can be divided by 16 positive divisors.
The sum of these divisors (counting 42781438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100011001100101011111110
3
Ternary
2222111112002201
4
Quaternary
2203030223332
5
Quinary
41423001223
6
Senary
4124542114
8
Octal
243145376
10
Decimal
42781438
12
Duodecimal
123b193a
16
Hexadecimal
28ccafe
20
Vigesimal
d77dbi
36
Base36
pgyda
md5
1b69980859f9fe8f8d78860aeba521e0
sha1
29d6b251fea1bd6449e67023663bb8daef79249d
sha256
a9c40d7975b4415fa650fe7ca598cc23f27e67384af7351b995ae73b6864e452
sha512
84b56d8c7bd5cacdff9813e24d540a7ae8887a48f4fe8b5ba8f1d69570f60dd1932dcde60ce1b0594968189e3e6fdf0f9591962efe87761d2381a05a4d4523ae
ripemd-160
5ebf8d8cb42d769ba4262e101c002db08c1d224f
Diameter
85562876
Circumference
268803702.66161
Area
5.7499044697941E+15
Volume
3.2798557544056E+23
Surface area
2.2999617879177E+16
Circumference
268803702.66161
Perimeter
171125752
Area
1830251437347844
Diagonal
60502089.837424
Surface area
10981508624087064
Volume
7.8300788391308E+22
Space diagonal
74099624.236858
Perimeter
128344314
Area
7.9252212002811E+14
Altitude
37049812.118429
Surface area
7.9252212002811E+14
Volume
9.2278364072911E+21
Height
20167363.279141