71388936 is an even 8-digits composite number following 71388935
and preceding 71388937 . In scientific notation, it is written as 7.1388936 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors.
There are 23736672 positive integers (up to 71388936) that are relatively prime to 71388936.
71388936 has 32 divisors, whose sum is 149100000
The reverse of 71388936 is 63988317
Previous prime number is 499
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million three hundred eighty-eight thousand nine hundred thirty-six
Scientific notation
7.1388936 × 10^7
Engineering notation
7.1388936 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 499 × 1987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17847234
Product of the distinct prime numbers
The prime factorization of 71388936 is 2 × 2 × 2 × 9 × 499 × 1987.
Since it has a total of 6 prime factors.
5 , 6 , 56 , 76 , 769 , 756 , 3152 , 7713 , 5944 , 66735 , 764298 , 842098 , 9290049 , 917275 , 6119538 , 68692250 , 230629405 , 879706052 , 6866241669 , 5206299888
n×2
142777872
n×3
214166808
n×4
285555744
n×5
356944680
n÷2
35694468
n÷3
23796312
n÷3
17847234
n÷5
14277787.2
n2
5096380183212096
n3
3.63825158731E+23
n4
2.5973090971837E+31
n5
1.8541913291106E+39
2 √n
8449.1973583294
3 √n
414.83650791298
4 √n
91.919515655433
5 √n
37.215699114606
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 499 , 998 , 1987 , 1996 , 3974 , 3992 , 4491 , 7948 , 8982 , 15896 , 17883 , 17964 , 35766 , 35928 , 71532 , 143064 , 991513 , 1983026 , 3966052 , 7932104 , 8923617 , 17847234 , 35694468 , 71388936
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
-71388935
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 71388936 can be divided by 32 positive divisors.
The sum of these divisors (counting 71388936) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100111100001000
3
Ternary
11222022221012200
4
Quaternary
10100110330020
5
Quinary
121233421221
6
Senary
11030040200
8
Octal
420247410
10
Decimal
71388936
12
Duodecimal
1baa9060
16
Hexadecimal
4414f08
20
Vigesimal
1263c6g
36
Base36
16i420
md5
ddad8eafe827176b4c97576ef6579da4
sha1
683845a664793b24b56004e13c1997ef3b137831
sha256
cbd648be2867c8a796c41f59ba7cba461f81b6cfa4f31174e15523a67c9f7209
sha512
4ff0fd601b4a57bca597b1f5d06a7f32083ad72d6799916d6b8151e042b42a846029d7e074ab83ac87315d68b4f3af5dd91daf83c58538f541262fc3108f1c22
ripemd-160
1063804277313af545179f1ab8457afd7dcdd2e2
Diameter
142777872
Circumference
448549913.77038
Area
1.601075054348E+16
Volume
1.5239872611473E+24
Surface area
6.4043002173919E+16
Circumference
448549913.77038
Perimeter
285555744
Area
5096380183212096
Diagonal
100959201.49458
Surface area
30578281099272576
Volume
3.63825158731E+23
Space diagonal
123649264.25028
Perimeter
214166808
Area
2.2067973530026E+15
Altitude
61824632.125141
Surface area
2.2067973530026E+15
Volume
4.2877206150827E+22
Height
33653067.164862