71091385 is an odd 8-digits composite number following 71091384
and preceding 71091386 . In scientific notation, it is written as 7.1091385 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 56636160 positive integers (up to 71091385) that are relatively prime to 71091385.
71091385 has 8 divisors, whose sum is 85665096
The reverse of 71091385 is 58319017
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-one million ninety-one thousand three hundred eighty-five
Scientific notation
7.1091385 × 10^7
Engineering notation
7.1091385 × 10^6
Prime Factorization
5 × 241 × 58997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71091385
Product of the distinct prime numbers
The prime factorization of 71091385 is 5 × 241 × 58997.
Since it has a total of 3 prime factors.
3 , 4 , 61 , 45 , 644 , 7 , 3852 , 5256 , 63873 , 161 , 301588 , 870060 , 9074969 , 9988855 , 81715483 , 71213890 , 630790512 , 1028577 , 9818613702 , 4316288316
n×2
142182770
n×3
213274155
n×4
284365540
n×5
355456925
n÷2
35545692.5
n÷3
23697128.333333
n÷3
17772846.25
n÷5
14218277
n2
5053985021218225
n3
3.5929479492766E+23
n4
2.5542764594698E+31
n5
1.8158705117661E+39
2 √n
8431.570731483
3 √n
414.25935540919
4 √n
91.823584832454
5 √n
37.18462405624
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71091384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71091385 can be divided by 8 positive divisors.
The sum of these divisors (counting 71091385) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111001100010010111001
3
Ternary
11221202211001021
4
Quaternary
10033030102321
5
Quinary
121144411020
6
Senary
11015422441
8
Octal
417142271
10
Decimal
71091385
12
Duodecimal
1b984a21
16
Hexadecimal
43cc4b9
20
Vigesimal
1246895
36
Base36
16bqgp
md5
1759347b15cdd04e4741ce148d3965d5
sha1
4c9af29ba630f6eaf2163d81be84f85ac5780b92
sha256
e4f6b85e228de564239b9ae7afc26bfcf9214d6ad30e492341a32d3838cafc92
sha512
b19c66c4d5490670bb1dc4af80a96af5f33aa401673a0c65635420a4d8b02fcadf02df6e1e97771879235447d94ad496cdd8786bbf71a7615fc49ec25fb56aec
ripemd-160
c49a089e6f98b7c9c3826da74f4b9f892bacc054
Diameter
142182770
Circumference
446680345.69905
Area
1.5877562214012E+16
Volume
1.5050105176237E+24
Surface area
6.3510248856048E+16
Circumference
446680345.69905
Perimeter
284365540
Area
5053985021218225
Diagonal
100538400.83489
Surface area
30323910127309350
Volume
3.5929479492766E+23
Space diagonal
123133890.80044
Perimeter
213274155
Area
2.1884397093605E+15
Altitude
61566945.40022
Surface area
2.1884397093605E+15
Volume
4.2343297656396E+22
Height
33512800.278296