71315985 is an odd 8-digits composite number following 71315984
and preceding 71315986 . In scientific notation, it is written as 7.1315985 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 33580800 positive integers (up to 71315985) that are relatively prime to 71315985.
71315985 has 16 divisors, whose sum is 85489152
The reverse of 71315985 is 58951317
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred fifteen thousand nine hundred eighty-five
Scientific notation
7.1315985 × 10^7
Engineering notation
7.1315985 × 10^6
Prime Factorization
15 × 13 × 23 × 15901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71315985
Product of the distinct prime numbers
The prime factorization of 71315985 is 15 × 13 × 23 × 15901.
Since it has a total of 4 prime factors.
7 , 2 , 54 , 51 , 46 , 910 , 8141 , 9176 , 35414 , 37201 , 244776 , 285916 , 8941112 , 7417005 , 42177337 , 39295270 , 727460151 , 339290900 , 8104210517 , 4286731973
n×2
142631970
n×3
213947955
n×4
285263940
n×5
356579925
n÷2
35657992.5
n÷3
23771995
n÷3
17828996.25
n÷5
14263197
n2
5085969716520225
n3
3.6271094001381E+23
n4
2.5867087957361E+31
n5
1.8447368567608E+39
2 √n
8444.8792176087
3 √n
414.69515523311
4 √n
91.896023948856
5 √n
37.20809000028
1 , 13 , 15 , 23 , 195 , 299 , 345 , 4485 , 15901 , 206713 , 238515 , 365723 , 3100695 , 4754399 , 5485845 , 71315985
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
-71315984
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 71315985 can be divided by 16 positive divisors.
The sum of these divisors (counting 71315985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000000011001000010001
3
Ternary
11222012020010210
4
Quaternary
10100003020101
5
Quinary
121224102420
6
Senary
11024314333
8
Octal
420031021
10
Decimal
71315985
12
Duodecimal
1ba729a9
16
Hexadecimal
4403211
20
Vigesimal
125e9j5
36
Base36
16gjrl
md5
a80ecba33d96778fe8981d49f263814c
sha1
be07adac596e33f2b937413be39af8b7dfd31ce1
sha256
84af5d489cf170275b0bf38709bde21bc381e662c6caa71becbc06922e47fbc7
sha512
e4b8c15b50b24e9f5b9ff934ce275e3b022fd74b94459cbb4b0250585bcf38c3e50e3c7d4a50bfed40b3b8ef7eab0b65f216988bd2c0605284d891e113a7aefd
ripemd-160
a2fc9dc6af8e2768563c16acc2dbd982089e4f73
Diameter
142631970
Circumference
448091549.11904
Area
1.59780450978E+16
Volume
1.5193200326987E+24
Surface area
6.39121803912E+16
Circumference
448091549.11904
Perimeter
285263940
Area
5085969716520225
Diagonal
100856033.201
Surface area
30515818299121350
Volume
3.6271094001381E+23
Space diagonal
123522909.41182
Perimeter
213947955
Area
2.2022894886924E+15
Altitude
61761454.70591
Surface area
2.2022894886924E+15
Volume
4.2745894215719E+22
Height
33618677.733665