42387943 is an odd 8-digits composite number following 42387942
and preceding 42387944 . In scientific notation, it is written as 4.2387943 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 37473120 positive integers (up to 42387943) that are relatively prime to 42387943.
42387943 has 16 divisors, whose sum is 47609856
The reverse of 42387943 is 34978324
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
forty-two million three hundred eighty-seven thousand nine hundred forty-three
Scientific notation
4.2387943 × 10^7
Engineering notation
4.2387943 × 10^6
Prime Factorization
13 × 31 × 107 × 983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42387943
Product of the distinct prime numbers
The prime factorization of 42387943 is 13 × 31 × 107 × 983.
Since it has a total of 4 prime factors.
4 , 8 , 31 , 43 , 302 , 354 , 7629 , 2657 , 21714 , 52797 , 944670 , 145264 , 7142129 , 1111595 , 25319559 , 88150931 , 674206031 , 485674231 , 354627492 , 9559194255
n×2
84775886
n×3
127163829
n×4
169551772
n×5
211939715
n÷2
21193971.5
n÷3
14129314.333333
n÷3
10596985.75
n÷5
8477588.6
n2
1796737711771249
n3
7.616001571251E+22
n4
3.228266404901E+30
n5
1.3683957235976E+38
2 √n
6510.6023530853
3 √n
348.66962438199
4 √n
80.688303694435
5 √n
33.531151534964
1 , 13 , 31 , 107 , 403 , 983 , 1391 , 3317 , 12779 , 30473 , 43121 , 105181 , 396149 , 1367353 , 3260611 , 42387943
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
-42387942
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 42387943 can be divided by 16 positive divisors.
The sum of these divisors (counting 42387943) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100001101100100111100111
3
Ternary
2221202112022211
4
Quaternary
2201230213213
5
Quinary
41322403233
6
Senary
4112304251
8
Octal
241544747
10
Decimal
42387943
12
Duodecimal
12242087
16
Hexadecimal
286c9e7
20
Vigesimal
d4i9h3
36
Base36
p8iqv
md5
9d4cd616a4ce5f23de0cb86c3addc35e
sha1
01409433c3d72ac62e7ea09e73977863a92cb11b
sha256
cbb9eb29913426099e45f3491b53d26a14c51ccce961d5d154ed9281caacfad2
sha512
3cfe15b204c17e3a78d03037666919fb91f53784e76106b2c72aba9ca8241f982e6107639c599da34720b847ede1e67ed0cc5035bba721e74171c95562ffbf22
ripemd-160
95ddea100e348fbe70110539ac252281e6666a1d
Diameter
84775886
Circumference
266331300.65917
Area
5.6446179957283E+15
Volume
3.1901832781294E+23
Surface area
2.2578471982913E+16
Circumference
266331300.65917
Perimeter
169551772
Area
1796737711771249
Diagonal
59945603.871698
Surface area
10780426270627494
Volume
7.616001571251E+22
Space diagonal
73418070.904334
Perimeter
127163829
Area
7.7801025116571E+14
Altitude
36709035.452167
Surface area
7.7801025116571E+14
Volume
8.9755439275983E+21
Height
19981867.957233