42871985 is an odd 8-digits composite number following 42871984
and preceding 42871986 . In scientific notation, it is written as 4.2871985 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 31659264 positive integers (up to 42871985) that are relatively prime to 42871985.
42871985 has 4 divisors, whose sum is 43531620
The reverse of 42871985 is 58917824
Previous prime number is 65
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
forty-two million eight hundred seventy-one thousand nine hundred eighty-five
Scientific notation
4.2871985 × 10^7
Engineering notation
4.2871985 × 10^6
Prime Factorization
65 × 659569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42871985
Product of the distinct prime numbers
The prime factorization of 42871985 is 65 × 659569.
Since it has a total of 2 prime factors.
5 , 1 , 84 , 100 , 284 , 46 , 9466 , 4265 , 66316 , 8498 , 475092 , 287875 , 4467882 , 8631939 , 64987452 , 89898219 , 955181733 , 916081876 , 9460120597 , 5769910706
n×2
85743970
n×3
128615955
n×4
171487940
n×5
214359925
n÷2
21435992.5
n÷3
14290661.666667
n÷3
10717996.25
n÷5
8574397
n2
1838007097840225
n3
7.87990127285E+22
n4
3.378270091711E+30
n5
1.4483314469778E+38
2 √n
6547.670196337
3 √n
349.99179572605
4 √n
80.917675425935
5 √n
33.607384783919
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
-42871984
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 42871985 can be divided by 4 positive divisors.
The sum of these divisors (counting 42871985) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100011100010110010110001
3
Ternary
2222200010022022
4
Quaternary
2203202302301
5
Quinary
41433400420
6
Senary
4130521225
8
Octal
243426261
10
Decimal
42871985
12
Duodecimal
12436215
16
Hexadecimal
28e2cb1
20
Vigesimal
d7ijj5
36
Base36
piw8h
md5
cf903d7acc8415acabd0e1f11ac6a07f
sha1
6c589ff01fd6294ceb5010c8996a38454a267a2c
sha256
c0b65e9ac54d0c8e1265b2b9e8da431aa925dd940e43abdcef1bc78977b6ebd3
sha512
1226e25f7cad3df1aa045afbb0394019c6fed9a1369f297f6437b762ed623d0dbcb26ab51191785a792a06bf6fb154cbdb2a87ecded261262085c35586603bfd
ripemd-160
59c6104f2fcab650febf157970597cedf8bd8e88
Diameter
85743970
Circumference
269372626.24162
Area
5.7742695958207E+15
Volume
3.3007253266398E+23
Surface area
2.3097078383283E+16
Circumference
269372626.24162
Perimeter
171487940
Area
1838007097840225
Diagonal
60630142.632856
Surface area
11028042587041350
Volume
7.87990127285E+22
Space diagonal
74256456.241331
Perimeter
128615955
Area
7.9588041953287E+14
Altitude
37128228.120665
Surface area
7.9588041953287E+14
Volume
9.2865527085212E+21
Height
20210047.544285