71385257 is an odd 8-digits composite number following 71385256
and preceding 71385258 . In scientific notation, it is written as 7.1385257 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 70661520 positive integers (up to 71385257) that are relatively prime to 71385257.
71385257 has 8 divisors, whose sum is 72112320
The reverse of 71385257 is 75258317
Previous prime number is 503
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred eighty-five thousand two hundred fifty-seven
Scientific notation
7.1385257 × 10^7
Engineering notation
7.1385257 × 10^6
Prime Factorization
139 × 503 × 1021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71385257
Product of the distinct prime numbers
The prime factorization of 71385257 is 139 × 503 × 1021.
Since it has a total of 3 prime factors.
2 , 9 , 60 , 62 , 472 , 189 , 5312 , 730 , 49631 , 74092 , 923453 , 298218 , 6227547 , 4625446 , 55930141 , 91072781 , 959767697 , 726023214 , 393444161 , 1243513150
n×2
142770514
n×3
214155771
n×4
285541028
n×5
356926285
n÷2
35692628.5
n÷3
23795085.666667
n÷3
17846314.25
n÷5
14277051.4
n2
5095854916956049
n3
3.6376891288162E+23
n4
2.5967737334665E+31
n5
1.8537136033436E+39
2 √n
8448.9796425367
3 √n
414.82938164657
4 √n
91.918331373762
5 √n
37.215315527492
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
-71385256
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 71385257 can be divided by 8 positive divisors.
The sum of these divisors (counting 71385257) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100000010101001
3
Ternary
11222022202011102
4
Quaternary
10100110002221
5
Quinary
121233312012
6
Senary
11030011145
8
Octal
420240251
10
Decimal
71385257
12
Duodecimal
1baa6ab5
16
Hexadecimal
44140a9
20
Vigesimal
126332h
36
Base36
16i17t
md5
36d94e6066f102a7cfa5379cc56f8df8
sha1
b847586f6fa659f254527d718613621806dd290f
sha256
bf4c8c8db015dd0beda358d9abe2d80c719541c1ad1df096cf5ee13b2147cf94
sha512
000be08ef2756000f43507cb91f8ef9f3b3a18fbd8b43f46851e0b80ce62aabec44113454888a8884a7d7ade25bb5752d85db8af0044fb792e1e14553f965b55
ripemd-160
d754f8a9f57543384d5c39fe29e25f4973c15424
Diameter
142770514
Circumference
448526797.93164
Area
1.6009100370869E+16
Volume
1.5237516590843E+24
Surface area
6.4036401483474E+16
Circumference
448526797.93164
Perimeter
285541028
Area
5095854916956049
Diagonal
100953998.60289
Surface area
30575129501736294
Volume
3.6376891288162E+23
Space diagonal
123642892.03536
Perimeter
214155771
Area
2.2065699060419E+15
Altitude
61821446.017681
Surface area
2.2065699060419E+15
Volume
4.2870577513909E+22
Height
33651332.86763