71281242 is an even 8-digits composite number following 71281241
and preceding 71281243 . In scientific notation, it is written as 7.1281242 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 23760396 positive integers (up to 71281242) that are relatively prime to 71281242.
71281242 has 16 divisors, whose sum is 158402880
The reverse of 71281242 is 24218217
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-one million two hundred eighty-one thousand two hundred forty-two
Scientific notation
7.1281242 × 10^7
Engineering notation
7.1281242 × 10^6
Prime Factorization
2 × 9 × 3 × 1320023
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71281242
Product of the distinct prime numbers
The prime factorization of 71281242 is 2 × 9 × 3 × 1320023.
Since it has a total of 4 prime factors.
1 , 2 , 92 , 67 , 450 , 214 , 191 , 6447 , 23502 , 17820 , 702104 , 329794 , 155254 , 6779238 , 78166995 , 40765778 , 174954130 , 267134818 , 9024209083 , 8092697482
n×2
142562484
n×3
213843726
n×4
285124968
n×5
356406210
n÷2
35640621
n÷3
23760414
n÷3
17820310.5
n÷5
14256248.4
n2
5081015461062564
n3
3.6218109268574E+23
n4
2.5816718115557E+31
n5
1.8402477316408E+39
2 √n
8442.8219216089
3 √n
414.62780196448
4 √n
91.884829659792
5 √n
37.204463961449
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 1320023 , 2640046 , 3960069 , 7920138 , 11880207 , 23760414 , 35640621 , 71281242
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
-71281241
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 71281242 can be divided by 16 positive divisors.
The sum of these divisors (counting 71281242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111111010101001011010
3
Ternary
11222010110111000
4
Quaternary
10033322221122
5
Quinary
121221444432
6
Senary
11023445430
8
Octal
417725132
10
Decimal
71281242
12
Duodecimal
1ba56876
16
Hexadecimal
43faa5a
20
Vigesimal
125a322
36
Base36
16fsyi
md5
1469c8eaecbb09e04bdc038908975bbb
sha1
f600e664375fe71a580eda4b43bf41a4cab1a7a1
sha256
612e284450d15bf38358dd66bfbd9aa1a852c6a86a743ac0649a12093269d378
sha512
d192e3d3929ff959d15d0f4085a5800e1fd9a1485f8a6545cad412bbcde9143a5550fb408c528ea27b2dc430a6ddd558c1b35b0470718185c99db86d1089f6e7
ripemd-160
6820e8cd25409f8436106cfaedb640b6d992d966
Diameter
142562484
Circumference
447873252.41191
Area
1.596248084525E+16
Volume
1.5171006134009E+24
Surface area
6.3849923381001E+16
Circumference
447873252.41191
Perimeter
285124968
Area
5081015461062564
Diagonal
100806899.1792
Surface area
30486092766375384
Volume
3.6218109268574E+23
Space diagonal
123462732.77061
Perimeter
213843726
Area
2.2001442331508E+15
Altitude
61731366.385306
Surface area
2.2001442331508E+15
Volume
4.2683451109274E+22
Height
33602299.7264