71388438 is an even 8-digits composite number following 71388437
and preceding 71388439 . In scientific notation, it is written as 7.1388438 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 21588000 positive integers (up to 71388438) that are relatively prime to 71388438.
71388438 has 32 divisors, whose sum is 156079872
The reverse of 71388438 is 83488317
Previous prime number is 701
Is Prime? no Number parity even Number length 8 Sum of Digits 42 Digital Root 6
Name
seventy-one million three hundred eighty-eight thousand four hundred thirty-eight
Scientific notation
7.1388438 × 10^7
Engineering notation
7.1388438 × 10^6
Prime Factorization
2 × 3 × 11 × 701 × 1543
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
71388438 Product of the distinct prime numbers
The prime factorization of 71388438 is 2 × 3 × 11 × 701 × 1543.
Since it has a total of 5 prime factors.
3 , 8 , 35 , 50 , 332 , 20 , 9947 , 1905 , 83475 , 63092 , 170982 , 861991 , 888490 , 4538239 , 11433788 , 65015945 , 334290697 , 253060415 , 7582162845 , 2245183012
n×2
142776876
n×3
214165314
n×4
285553752
n×5
356942190
n÷2
35694219
n÷3
23796146
n÷3
17847109.5
n÷5
14277687.6
n2
5096309080079844
n3
3.6381754479212E+23
n4
2.5972366239704E+31
n5
1.8541266570164E+39
2 √n8449.1678880231
3 √n414.83554329543
4 √n91.919355350345
5 √n37.215647192079
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 701 , 1402 , 1543 , 2103 , 3086 , 4206 , 4629 , 7711 , 9258 , 15422 , 16973 , 23133 , 33946 , 46266 , 50919 , 101838 , 1081643 , 2163286 , 3244929 , 6489858 , 11898073 , 23796146 , 35694219 , 71388438
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-71388437 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388438 can be divided by 32 positive divisors.
The sum of these divisors (counting 71388438) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100110100010110
3
Ternary
11222022220112020
4
Quaternary
10100110310112
5
Quinary
121233412223
6
Senary
11030034010
8
Octal
420246426
10
Decimal
71388438
12
Duodecimal
1baa8906
16
Hexadecimal
4414d16
20
Vigesimal
1263b1i
36
Base36
16i3o6
md5
a34241a42589e420b3ce27727f495e58
sha1
d40c178e16a23ad04ea8da3e8e22334899b086a4
sha256
60596a2a3c23cd089e270a11bdfd81350d400e9b0ad1df134448913e61699b68
sha512
dd0ae456cdc9f19b9d1e89f633b28f7feaf03666473984c5be882ff61ee9a69ea82d3a7d131ba972a4706d98655709ac72cffb2c9ae44096c5f0ac143336057d
ripemd-160
45323b7c5ee70d4fcbb88d0213df79d8e06388f4
Diameter
142776876
Circumference
448546784.7441
Area
1.6010527166402E+16
Volume
1.5239553679547E+24
Surface area
6.4042108665607E+16
Circumference
448546784.7441
Perimeter
285553752
Area
5096309080079844
Diagonal
100958497.21623
Surface area
30577854480479064
Volume
3.6381754479212E+23
Space diagonal
123648401.68898
Perimeter
214165314
Area
2.2067665644432E+15
Altitude
61824200.84449
Surface area
2.2067665644432E+15
Volume
4.2876308839524E+22
Height
33652832.40541