71385287 is an odd 8-digits composite number following 71385286
and preceding 71385288 . In scientific notation, it is written as 7.1385287 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 71325696 positive integers (up to 71385287) that are relatively prime to 71385287.
71385287 has 4 divisors, whose sum is 71444880
The reverse of 71385287 is 78258317
Previous prime number is 1223
Is Prime? no Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
seventy-one million three hundred eighty-five thousand two hundred eighty-seven
Scientific notation
7.1385287 × 10^7
Engineering notation
7.1385287 × 10^6
Prime Factorization
1223 × 58369
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
71385287 Product of the distinct prime numbers
The prime factorization of 71385287 is 1223 × 58369.
Since it has a total of 2 prime factors.
9 , 4 , 87 , 26 , 520 , 818 , 1765 , 7015 , 21942 , 94976 , 114736 , 718315 , 5378938 , 3992566 , 2277445 , 16979148 , 680215276 , 500035909 , 2819145874 , 7571476485
n×2
142770574
n×3
214155861
n×4
285541148
n×5
356926435
n÷2
35692643.5
n÷3
23795095.666667
n÷3
17846321.75
n÷5
14277057.4
n2
5095859200072369
n3
3.6376937150876E+23
n4
2.5967780986962E+31
n5
1.8537174985074E+39
2 √n8448.9814178988
3 √n414.82943975791
4 √n91.918341031041
5 √n37.215318655475
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-71385286 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71385287 can be divided by 4 positive divisors.
The sum of these divisors (counting 71385287) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010100000011000111
3
Ternary
11222022202012112
4
Quaternary
10100110003013
5
Quinary
121233312122
6
Senary
11030011235
8
Octal
420240307
10
Decimal
71385287
12
Duodecimal
1baa6b1b
16
Hexadecimal
44140c7
20
Vigesimal
1263347
36
Base36
16i18n
md5
10fdbc49e57f889d06105794df221d93
sha1
6e3093911291906969d1ef5b01c73d236e00db03
sha256
240fdc01035969b0f759636ff467b857b65301bb6d9d151f604a5f5719676a02
sha512
730c177af3fe86f600d822fc50677080362f8dd31a14b6898f4c05783f53bef05d1a1a8e724c5acea05486e4cd46b72716108348e7a77c1760cc6ff1993394dd
ripemd-160
419d88a5de9ad68424c75c554019b94cb9cb6b71
Diameter
142770574
Circumference
448526986.4272
Area
1.6009113826675E+16
Volume
1.5237535801772E+24
Surface area
6.4036455306701E+16
Circumference
448526986.4272
Perimeter
285541148
Area
5095859200072369
Diagonal
100954041.0293
Surface area
30575155200434214
Volume
3.6376937150876E+23
Space diagonal
123642943.99689
Perimeter
214155861
Area
2.2065717606857E+15
Altitude
61821471.998443
Surface area
2.2065717606857E+15
Volume
4.2870631563635E+22
Height
33651347.009765