71388565 is an odd 8-digits composite number following 71388564
and preceding 71388566 . In scientific notation, it is written as 7.1388565 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 56897472 positive integers (up to 71388565) that are relatively prime to 71388565.
71388565 has 8 divisors, whose sum is 85986360
The reverse of 71388565 is 56588317
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred eighty-eight thousand five hundred sixty-five
Scientific notation
7.1388565 × 10^7
Engineering notation
7.1388565 × 10^6
Prime Factorization
5 × 269 × 53077
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71388565
Product of the distinct prime numbers
The prime factorization of 71388565 is 5 × 269 × 53077.
Since it has a total of 3 prime factors.
9 , 5 , 62 , 30 , 655 , 898 , 5201 , 382 , 16879 , 77063 , 817577 , 35695 , 2657031 , 5884884 , 7901891 , 13373781 , 765245691 , 475051559 , 9553849536 , 2547843853
n×2
142777130
n×3
214165695
n×4
285554260
n×5
356942825
n÷2
35694282.5
n÷3
23796188.333333
n÷3
17847141.25
n÷5
14277713
n2
5096327212759225
n3
3.6381948648933E+23
n4
2.597255105951E+31
n5
1.8541431495277E+39
2 √n
8449.1754035527
3 √n
414.8357892927
4 √n
91.919396231441
5 √n
37.215660433393
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
-71388564
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 71388565 can be divided by 8 positive divisors.
The sum of these divisors (counting 71388565) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100110110010101
3
Ternary
11222022220200221
4
Quaternary
10100110312111
5
Quinary
121233413230
6
Senary
11030034341
8
Octal
420246625
10
Decimal
71388565
12
Duodecimal
1baa89b1
16
Hexadecimal
4414d95
20
Vigesimal
1263b85
36
Base36
16i3rp
md5
dc2b3b67b569e7e2cc7dc22f425db375
sha1
96c6b8bd2fefb9020039e8b04183ca974c37e874
sha256
bba7f4bc3779726f1f036ba2f8bf82538a2c64e00a49c3c6236889994c6b4131
sha512
1cb84bde33099e993349485a6b983edd99f58360d62c766b9cf08d86bbbf764df61c9757d52bbdf54df01868e70df06b2a04a8edb60a22fdb438ada8c5c0e7f7
ripemd-160
d6234c3e5bdb2491c6005a37712856f5ef2dc3d9
Diameter
142777130
Circumference
448547582.70863
Area
1.6010584131894E+16
Volume
1.5239635013169E+24
Surface area
6.4042336527577E+16
Circumference
448547582.70863
Perimeter
285554260
Area
5096327212759225
Diagonal
100958676.82135
Surface area
30577963276555350
Volume
3.6381948648933E+23
Space diagonal
123648621.65943
Perimeter
214165695
Area
2.2067744161237E+15
Altitude
61824310.829717
Surface area
2.2067744161237E+15
Volume
4.2876537670736E+22
Height
33652892.273784