71398687 is an odd 8-digits composite number following 71398686
and preceding 71398688 . In scientific notation, it is written as 7.1398687 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 69879520 positive integers (up to 71398687) that are relatively prime to 71398687.
71398687 has 4 divisors, whose sum is 72917856
The reverse of 71398687 is 78689317
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-one million three hundred ninety-eight thousand six hundred eighty-seven
Scientific notation
7.1398687 × 10^7
Engineering notation
7.1398687 × 10^6
Prime Factorization
47 × 1519121
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71398687
Product of the distinct prime numbers
The prime factorization of 71398687 is 47 × 1519121.
Since it has a total of 2 prime factors.
7 , 4 , 37 , 46 , 927 , 740 , 3543 , 3686 , 60601 , 19788 , 639061 , 579463 , 454109 , 8308932 , 9259497 , 58176122 , 613084520 , 960883294 , 2675212639 , 3956212679
n×2
142797374
n×3
214196061
n×4
285594748
n×5
356993435
n÷2
35699343.5
n÷3
23799562.333333
n÷3
17849671.75
n÷5
14279737.4
n2
5097772505323969
n3
3.6397426350483E+23
n4
2.5987284516037E+31
n5
1.8554579931405E+39
2 √n
8449.774375686
3 √n
414.8553945307
4 √n
91.922654311579
5 √n
37.216715715993
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
-71398686
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 71398687 can be divided by 4 positive divisors.
The sum of these divisors (counting 71398687) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010111010100011111
3
Ternary
11222100102120211
4
Quaternary
10100113110133
5
Quinary
121234224222
6
Senary
11030153251
8
Octal
420272437
10
Decimal
71398687
12
Duodecimal
1bab2827
16
Hexadecimal
441751f
20
Vigesimal
1264ge7
36
Base36
16ibkv
md5
f7ee0172f2f2b8871ebad3821627e457
sha1
2623adee0e8e01c1723496d17493f759bafc88f7
sha256
a8d1cae9afedd1971722725492a11d681efc9f5c3c1df05e5d8d8821ca5e8546
sha512
9ec59e60316bbe369c9ef8354b71c1489e5cc1db4066e5e859d8f6c1e588af13ed8a9028402d370aadb77e95c35f1cfcfe27f90d55231a88a6dd297b76e1731d
ripemd-160
e291fb36b9ac11de45b971563e5e86e00f442c46
Diameter
142797374
Circumference
448611181.11031
Area
1.6015124652398E+16
Volume
1.5246118297634E+24
Surface area
6.4060498609591E+16
Circumference
448611181.11031
Perimeter
285594748
Area
5097772505323969
Diagonal
100972991.49103
Surface area
30586635031943814
Volume
3.6397426350483E+23
Space diagonal
123666153.47771
Perimeter
214196061
Area
2.2074002461622E+15
Altitude
61833076.738854
Surface area
2.2074002461622E+15
Volume
4.2894778316941E+22
Height
33657663.830344