71389385 is an odd 8-digits composite number following 71389384
and preceding 71389386 . In scientific notation, it is written as 7.1389385 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 57053440 positive integers (up to 71389385) that are relatively prime to 71389385.
71389385 has 8 divisors, whose sum is 85754376
The reverse of 71389385 is 58398317
Previous prime number is 1061
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million three hundred eighty-nine thousand three hundred eighty-five
Scientific notation
7.1389385 × 10^7
Engineering notation
7.1389385 × 10^6
Prime Factorization
5 × 1061 × 13457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71389385
Product of the distinct prime numbers
The prime factorization of 71389385 is 5 × 1061 × 13457.
Since it has a total of 3 prime factors.
8 , 7 , 54 , 3 , 987 , 622 , 3558 , 2023 , 38649 , 3481 , 378974 , 708484 , 9697588 , 6704867 , 34287241 , 53619334 , 92770396 , 508413301 , 2585124353 , 3383948219
n×2
142778770
n×3
214168155
n×4
285557540
n×5
356946925
n÷2
35694692.5
n÷3
23796461.666667
n÷3
17847346.25
n÷5
14277877
n2
5096444290678225
n3
3.6383202359828E+23
n4
2.5973744407987E+31
n5
1.8542496394334E+39
2 √n
8449.2239288588
3 √n
414.83737761452
4 √n
91.919660186811
5 √n
37.215745928042
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
-71389384
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 71389385 can be divided by 8 positive divisors.
The sum of these divisors (counting 71389385) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010101000011001001
3
Ternary
11222022221211022
4
Quaternary
10100111003021
5
Quinary
121233430020
6
Senary
11030042225
8
Octal
420250311
10
Decimal
71389385
12
Duodecimal
1baa9375
16
Hexadecimal
44150c9
20
Vigesimal
1263d95
36
Base36
16i4eh
md5
847e0aca432fabfe0b09f951f5bb2350
sha1
bae3254337e74178db1d8be80c5170ffab8dc1cb
sha256
36a14dc481452ee741c38718cf7cd18a43b696ad7f533b5c5e1a9c8aa08aca59
sha512
7464ea728f2b102d968358be5bfdba8464931376d83841cb61c2ee95cea54993419c231426b8dcb31368c76f83c015849aac54e4ec8f6ca465b132e66550a9fc
ripemd-160
61eb8d22bbede4f740b05d6bc6c86b891f54bb25
Diameter
142778770
Circumference
448552734.92059
Area
1.6010951943024E+16
Volume
1.5240160166361E+24
Surface area
6.4043807772097E+16
Circumference
448552734.92059
Perimeter
285557540
Area
5096444290678225
Diagonal
100959836.47647
Surface area
30578665744069350
Volume
3.6383202359828E+23
Space diagonal
123650041.9411
Perimeter
214168155
Area
2.2068251123498E+15
Altitude
61825020.970548
Surface area
2.2068251123498E+15
Volume
4.2878015183195E+22
Height
33653278.825491