71307985 is an odd 8-digits composite number following 71307984
and preceding 71307986 . In scientific notation, it is written as 7.1307985 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 48895728 positive integers (up to 71307985) that are relatively prime to 71307985.
71307985 has 16 divisors, whose sum is 99792000
The reverse of 71307985 is 58970317
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million three hundred seven thousand nine hundred eighty-five
Scientific notation
7.1307985 × 10^7
Engineering notation
7.1307985 × 10^6
Prime Factorization
5 × 7 × 49 × 41579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71307985
Product of the distinct prime numbers
The prime factorization of 71307985 is 5 × 7 × 49 × 41579.
Since it has a total of 4 prime factors.
8 , 7 , 71 , 70 , 667 , 48 , 5831 , 2386 , 61138 , 10701 , 173732 , 816411 , 651370 , 5764620 , 25366368 , 79387986 , 502036626 , 618285325 , 3391104637 , 265850716
n×2
142615970
n×3
213923955
n×4
285231940
n×5
356539925
n÷2
35653992.5
n÷3
23769328.333333
n÷3
17826996.25
n÷5
14261597
n2
5084828724760225
n3
3.6258889043277E+23
n4
2.5855483160147E+31
n5
1.8437024053515E+39
2 √n
8444.405544501
3 √n
414.67964825946
4 √n
91.893446689636
5 √n
37.207255185821
1 , 5 , 7 , 35 , 49 , 245 , 343 , 1715 , 41579 , 207895 , 291053 , 1455265 , 2037371 , 10186855 , 14261597 , 71307985
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
-71307984
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 71307985 can be divided by 16 positive divisors.
The sum of these divisors (counting 71307985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000000001001011010001
3
Ternary
11222011211011111
4
Quaternary
10100001023101
5
Quinary
121223323420
6
Senary
11024213321
8
Octal
420011321
10
Decimal
71307985
12
Duodecimal
1ba6a241
16
Hexadecimal
44012d1
20
Vigesimal
125d9j5
36
Base36
16gdld
md5
552cee131e4be27be9a9f4f5460d1ac5
sha1
3ea297ab9725ae3859afd56bdfc8de8f6cc58e20
sha256
dfac59a332e4db6dfc507d5085abdb4915eea2af78b75183a094f3be962087b4
sha512
473ce1c26dec1a4975ab7df4ec2a61372c193d384349cbca2ccd933b2886ad7b4fcff04d5842f3f3f8cbbc61241a5d26ed615378a184ef527678ad2b1e2ccece
ripemd-160
d1722ae3d4dfb6299206fbcf382b38ac6565fbf7
Diameter
142615970
Circumference
448041283.63658
Area
1.5974460566469E+16
Volume
1.5188087926092E+24
Surface area
6.3897842265876E+16
Circumference
448041283.63658
Perimeter
285231940
Area
5084828724760225
Diagonal
100844719.4925
Surface area
30508972348561350
Volume
3.6258889043277E+23
Space diagonal
123509053.00536
Perimeter
213923955
Area
2.2017954247676E+15
Altitude
61754526.50268
Surface area
2.2017954247676E+15
Volume
4.2731510534653E+22
Height
33614906.497499