71388542 is an even 8-digits composite number following 71388541
and preceding 71388543 . In scientific notation, it is written as 7.1388542 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 33415680 positive integers (up to 71388542) that are relatively prime to 71388542.
71388542 has 16 divisors, whose sum is 113985792
The reverse of 71388542 is 24588317
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred eighty-eight thousand five hundred forty-two
Scientific notation
7.1388542 × 10^7
Engineering notation
7.1388542 × 10^6
Prime Factorization
2 × 17 × 191 × 10993
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71388542
Product of the distinct prime numbers
The prime factorization of 71388542 is 2 × 17 × 191 × 10993.
Since it has a total of 4 prime factors.
2 , 5 , 38 , 18 , 898 , 26 , 3243 , 3185 , 22157 , 24544 , 640490 , 108069 , 2721261 , 6421525 , 15095312 , 8223103 , 304063799 , 728003681 , 9185074034 , 8881868388
n×2
142777084
n×3
214165626
n×4
285554168
n×5
356942710
n÷2
35694271
n÷3
23796180.666667
n÷3
17847135.5
n÷5
14277708.4
n2
5096323928885764
n3
3.6381913484287E+23
n4
2.5972517588134E+31
n5
1.8541401626862E+39
2 √n
8449.174042473
3 √n
414.83574474204
4 √n
91.919388827782
5 √n
37.215658035361
1 , 2 , 17 , 34 , 191 , 382 , 3247 , 6494 , 10993 , 21986 , 186881 , 373762 , 2099663 , 4199326 , 35694271 , 71388542
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
-71388541
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 71388542 can be divided by 16 positive divisors.
The sum of these divisors (counting 71388542) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100110101111110
3
Ternary
11222022220200002
4
Quaternary
10100110311332
5
Quinary
121233413132
6
Senary
11030034302
8
Octal
420246576
10
Decimal
71388542
12
Duodecimal
1baa8992
16
Hexadecimal
4414d7e
20
Vigesimal
1263b72
36
Base36
16i3r2
md5
91038baad96a5b95d269def7d842df5c
sha1
5be0fbc16aebe8144c5132dbc84e917cdc1ad67d
sha256
f1a6f5580df6bbbd5f9751acc9f18698e1b1e6679622fcfbdd1f8cb1e8711e57
sha512
189de360381efc81979554687c549bf1641d5371c68de4318f7a6b8abe45589ae7f4fba745ec0fc7c8bd5a5cfdeefc101cffc4652f34f4097078287b62a37fe6
ripemd-160
4139bcfbd4471b31228f175ec466fc844d4ec6c5
Diameter
142777084
Circumference
448547438.19537
Area
1.6010573815301E+16
Volume
1.5239620283437E+24
Surface area
6.4042295261206E+16
Circumference
448547438.19537
Perimeter
285554168
Area
5096323928885764
Diagonal
100958644.29444
Surface area
30577943573314584
Volume
3.6381913484287E+23
Space diagonal
123648581.82226
Perimeter
214165626
Area
2.2067729941648E+15
Altitude
61824290.911132
Surface area
2.2067729941648E+15
Volume
4.2876496228802E+22
Height
33652881.43148