71390385 is an odd 8-digits composite number following 71390384
and preceding 71390386 . In scientific notation, it is written as 7.1390385 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 34613280 positive integers (up to 71390385) that are relatively prime to 71390385.
71390385 has 16 divisors, whose sum is 110764032
The reverse of 71390385 is 58309317
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million three hundred ninety thousand three hundred eighty-five
Scientific notation
7.1390385 × 10^7
Engineering notation
7.1390385 × 10^6
Prime Factorization
3 × 15 × 11 × 144223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71390385
Product of the distinct prime numbers
The prime factorization of 71390385 is 3 × 15 × 11 × 144223.
Since it has a total of 4 prime factors.
7 , 2 , 52 , 94 , 712 , 283 , 749 , 6878 , 69391 , 3767 , 152627 , 394900 , 5052686 , 2542265 , 48451108 , 32498206 , 630313428 , 434426678 , 5780785087 , 2814448316
n×2
142780770
n×3
214171155
n×4
285561540
n×5
356951925
n÷2
35695192.5
n÷3
23796795
n÷3
17847596.25
n÷5
14278077
n2
5096587070448225
n3
3.6384731314532E+23
n4
2.597519976666E+31
n5
1.8543795117938E+39
2 √n
8449.2831056842
3 √n
414.83931457588
4 √n
91.919982080526
5 √n
37.215850188745
1 , 3 , 11 , 15 , 33 , 45 , 165 , 495 , 144223 , 432669 , 1586453 , 2163345 , 4759359 , 6490035 , 23796795 , 71390385
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
-71390384
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 71390385 can be divided by 16 positive divisors.
The sum of these divisors (counting 71390385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010101010010110001
3
Ternary
11222100000012100
4
Quaternary
10100111102301
5
Quinary
121233443020
6
Senary
11030051013
8
Octal
420252261
10
Decimal
71390385
12
Duodecimal
1baa9a69
16
Hexadecimal
44154b1
20
Vigesimal
1263fj5
36
Base36
16i569
md5
dfba0e888da128b5116aa18942884a57
sha1
cb71e51937b81860956ee5241585ed5411c9ab34
sha256
a07575e4e836da47aa8e1f4ead49b91a7e937306b726c95977b4adc1cbf0c849
sha512
7f2f545adde9d5843db6fe08d5cd044f9bf18c477ec5e366f98ff9e77e4752be06005e39663a07d515fe5c4b391b2492bf76b3353081179aa733967812d7792b
ripemd-160
5ef10ec54f28178b91ef410373197e06e6f80f42
Diameter
142780770
Circumference
448559018.10589
Area
1.6011400498901E+16
Volume
1.524080061341E+24
Surface area
6.4045601995603E+16
Circumference
448559018.10589
Perimeter
285561540
Area
5096587070448225
Diagonal
100961250.69004
Surface area
30579522422689350
Volume
3.6384731314532E+23
Space diagonal
123651773.9919
Perimeter
214171155
Area
2.2068869378037E+15
Altitude
61825886.995952
Surface area
2.2068869378037E+15
Volume
4.2879817073594E+22
Height
33653750.230012