71345287 is an odd 8-digits composite number following 71345286
and preceding 71345288 . In scientific notation, it is written as 7.1345287 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 61281792 positive integers (up to 71345287) that are relatively prime to 71345287.
71345287 has 16 divisors, whose sum is 82353600
The reverse of 71345287 is 78254317
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-one million three hundred forty-five thousand two hundred eighty-seven
Scientific notation
7.1345287 × 10^7
Engineering notation
7.1345287 × 10^6
Prime Factorization
23 × 13 × 37 × 6449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71345287
Product of the distinct prime numbers
The prime factorization of 71345287 is 23 × 13 × 37 × 6449.
Since it has a total of 4 prime factors.
2 , 7 , 100 , 27 , 154 , 16 , 1449 , 1979 , 40199 , 74313 , 524572 , 999908 , 5065661 , 6738877 , 58498141 , 90773865 , 145125897 , 157765035 , 3120822124 , 4414065453
n×2
142690574
n×3
214035861
n×4
285381148
n×5
356726435
n÷2
35672643.5
n÷3
23781762.333333
n÷3
17836321.75
n÷5
14269057.4
n2
5090149977112369
n3
3.6315821099013E+23
n4
2.5909626789497E+31
n5
1.8485297593596E+39
2 √n
8446.6139369572
3 √n
414.75194350005
4 √n
91.905461953886
5 √n
37.211147077346
1 , 13 , 23 , 37 , 299 , 481 , 851 , 6449 , 11063 , 83837 , 148327 , 238613 , 1928251 , 3101969 , 5488099 , 71345287
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
-71345286
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 71345287 can be divided by 16 positive divisors.
The sum of these divisors (counting 71345287) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000001010010010000111
3
Ternary
11222020201100001
4
Quaternary
10100022102013
5
Quinary
121231022122
6
Senary
11025102131
8
Octal
420122207
10
Decimal
71345287
12
Duodecimal
1ba87947
16
Hexadecimal
440a487
20
Vigesimal
125i347
36
Base36
16h6dj
md5
962a551b85f6da8205a2f64661cac33e
sha1
044351f6cdf661037b401f340ce2fa041e09b424
sha256
731a142f9466fb1deeadf4cc72af3612b42d42b920e370bf904b67648db67653
sha512
d3022d461f9a138adf49a847571fd4b35670ae5e6d18776eaa716d4df699936f8735c8c48f77adf51d1864038bbd0fad9f818a1ace17078b69c795d88b8dcb9e
ripemd-160
53c8f64cb2a3eeb2dcbc3dae0a5e6309250c43c8
Diameter
142690574
Circumference
448275659.01491
Area
1.5991177773766E+16
Volume
1.5211935569832E+24
Surface area
6.3964711095066E+16
Circumference
448275659.01491
Perimeter
285381148
Area
5090149977112369
Diagonal
100897472.4868
Surface area
30540899862674214
Volume
3.6315821099013E+23
Space diagonal
123573661.96458
Perimeter
214035861
Area
2.204099594626E+15
Altitude
61786830.982292
Surface area
2.204099594626E+15
Volume
4.2798605605782E+22
Height
33632490.828934