71312809 is an odd 8-digits composite number following 71312808
and preceding 71312810 . In scientific notation, it is written as 7.1312809 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 71275204 positive integers (up to 71312809) that are relatively prime to 71312809.
71312809 has 4 divisors, whose sum is 71350416
The reverse of 71312809 is 90821317
Previous prime number is 2003
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million three hundred twelve thousand eight hundred nine
Scientific notation
7.1312809 × 10^7
Engineering notation
7.1312809 × 10^6
Prime Factorization
2003 × 35603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71312809
Product of the distinct prime numbers
The prime factorization of 71312809 is 2003 × 35603.
Since it has a total of 2 prime factors.
4 , 4 , 30 , 87 , 749 , 354 , 4196 , 7436 , 24073 , 81352 , 327890 , 872744 , 1467101 , 5366019 , 84326245 , 71020763 , 536484217 , 325706748 , 9605359540 , 7646455004
n×2
142625618
n×3
213938427
n×4
285251236
n×5
356564045
n÷2
35656404.5
n÷3
23770936.333333
n÷3
17828202.25
n÷5
14262561.8
n2
5085516727470481
n3
3.6266248305241E+23
n4
2.5862480385382E+31
n5
1.844326123989E+39
2 √n
8444.6911725652
3 √n
414.68899910338
4 √n
91.895000802901
5 √n
37.207758587907
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
-71312808
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 71312809 can be divided by 4 positive divisors.
The sum of these divisors (counting 71312809) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000000010010110101001
3
Ternary
11222012001210011
4
Quaternary
10100002112221
5
Quinary
121224002214
6
Senary
11024251521
8
Octal
420022651
10
Decimal
71312809
12
Duodecimal
1ba70ba1
16
Hexadecimal
44025a9
20
Vigesimal
125e209
36
Base36
16ghbd
md5
e678ab65c331160a94a9dccc85f65a1b
sha1
d04e3f7120a604a3d13e49a111757127a6fb64c8
sha256
22189a40ec60cbf26925a22318d2e15ff027149c9674a79bff5689945ecd0021
sha512
f850f1b9843ec4300d78145385abfe097fb66cfac96d0e81de356e7b02d87a7b9e5efa6f9e199edaeb95798855944adc711e572cfcac5c2f2c10607b24a575a8
ripemd-160
d19a357eea019e47f7432d2a38cf1873f9165d0e
Diameter
142625618
Circumference
448071593.7225
Area
1.5976621990729E+16
Volume
1.5191170566534E+24
Surface area
6.3906487962917E+16
Circumference
448071593.7225
Perimeter
285251236
Area
5085516727470481
Diagonal
100851541.65872
Surface area
30513100364822886
Volume
3.6266248305241E+23
Space diagonal
123517408.41846
Perimeter
213938427
Area
2.2020933386801E+15
Altitude
61758704.209228
Surface area
2.2020933386801E+15
Volume
4.2740183508051E+22
Height
33617180.552907