71385285 is an odd 8-digits composite number following 71385284
and preceding 71385286 . In scientific notation, it is written as 7.1385285 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 37694400 positive integers (up to 71385285) that are relatively prime to 71385285.
71385285 has 16 divisors, whose sum is 115349760
The reverse of 71385285 is 58258317
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred eighty-five thousand two hundred eighty-five
Scientific notation
7.1385285 × 10^7
Engineering notation
7.1385285 × 10^6
Prime Factorization
3 × 5 × 101 × 47119
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71385285
Product of the distinct prime numbers
The prime factorization of 71385285 is 3 × 5 × 101 × 47119.
Since it has a total of 4 prime factors.
4 , 7 , 51 , 85 , 758 , 586 , 5726 , 4961 , 36794 , 21189 , 447665 , 882645 , 5244229 , 2229394 , 46887103 , 50409479 , 511315098 , 805428610 , 615320957 , 6452508421
n×2
142770570
n×3
214155855
n×4
285541140
n×5
356926425
n÷2
35692642.5
n÷3
23795095
n÷3
17846321.25
n÷5
14277057
n2
5095858914531225
n3
3.637693409336E+23
n4
2.5967778076807E+31
n5
1.8537172388296E+39
2 √n
8448.9812995414
3 √n
414.82943588383
4 √n
91.918340387223
5 √n
37.215318446943
1 , 3 , 5 , 15 , 101 , 303 , 505 , 1515 , 47119 , 141357 , 235595 , 706785 , 4759019 , 14277057 , 23795095 , 71385285
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
-71385284
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 71385285 can be divided by 16 positive divisors.
The sum of these divisors (counting 71385285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100000011000101
3
Ternary
11222022202012110
4
Quaternary
10100110003011
5
Quinary
121233312120
6
Senary
11030011233
8
Octal
420240305
10
Decimal
71385285
12
Duodecimal
1baa6b19
16
Hexadecimal
44140c5
20
Vigesimal
1263345
36
Base36
16i18l
md5
71e4786caddfe9919d31e25a8e155341
sha1
97ee31503d3056378994ad6a103f6b8e84e0d6f4
sha256
b8aefe9f410ee6f03d3595c46881b8438e989b9101cd49d34e5a1cd703a17df6
sha512
d5d651c0c1df78259c2d9b1ae29c97ef4214c175114cb2f082637fac4b4fd80ac0960f946497ac64ab7ee0b5fdf8fec6184a8ab9b8e7fbd3582d8007523f2adc
ripemd-160
9803cdb34b3954834a6ac9ea36c6a49877ce4279
Diameter
142770570
Circumference
448526973.86083
Area
1.6009112929621E+16
Volume
1.5237534521043E+24
Surface area
6.4036451718485E+16
Circumference
448526973.86083
Perimeter
285541140
Area
5095858914531225
Diagonal
100954038.20087
Surface area
30575153487187350
Volume
3.637693409336E+23
Space diagonal
123642940.53278
Perimeter
214155855
Area
2.2065716370427E+15
Altitude
61821470.266392
Surface area
2.2065716370427E+15
Volume
4.2870627960319E+22
Height
33651346.066956