71387288 is an even 8-digits composite number following 71387287
and preceding 71387289 . In scientific notation, it is written as 7.1387288 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors.
There are 30594528 positive integers (up to 71387288) that are relatively prime to 71387288.
71387288 has 16 divisors, whose sum is 152972880
The reverse of 71387288 is 88278317
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million three hundred eighty-seven thousand two hundred eighty-eight
Scientific notation
7.1387288 × 10^7
Engineering notation
7.1387288 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 1274773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17846822
Product of the distinct prime numbers
The prime factorization of 71387288 is 2 × 2 × 2 × 7 × 1274773.
Since it has a total of 5 prime factors.
8 , 9 , 83 , 84 , 262 , 164 , 907 , 1550 , 73153 , 7428 , 7336 , 202862 , 8718326 , 6592962 , 49258658 , 44226207 , 888184884 , 643308576 , 6375124918 , 1011928370
n×2
142774576
n×3
214161864
n×4
285549152
n×5
356936440
n÷2
35693644
n÷3
23795762.666667
n÷3
17846822
n÷5
14277457.6
n2
5096144887994944
n3
3.6379996280902E+23
n4
2.5970692719437E+31
n5
1.853977320722E+39
2 √n
8449.0998337101
3 √n
414.83331574781
4 √n
91.91898516471
5 √n
37.215527289553
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 1274773 , 2549546 , 5099092 , 8923411 , 10198184 , 17846822 , 35693644 , 71387288
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
-71387287
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 71387288 can be divided by 16 positive divisors.
The sum of these divisors (counting 71387288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100100010011000
3
Ternary
11222022211221122
4
Quaternary
10100110202120
5
Quinary
121233343123
6
Senary
11030024412
8
Octal
420244230
10
Decimal
71387288
12
Duodecimal
1baa8108
16
Hexadecimal
4414898
20
Vigesimal
1263848
36
Base36
16i2s8
md5
6c4b865f9e091de7d407a868a037b26d
sha1
67a59f00364674effe878b716328020a23019f96
sha256
7b8ca48fc570ce2950d08f846a060105ba189f9d612a40b85480b99747d6fe08
sha512
6686400117aa903ca056a2dccf9fd3cb8c6512148a63a0d49b0863efdab33d57709c78ff7f4a3610fb1adfa88bdf100cebc883ecf1db4d733ddbd48229020d67
ripemd-160
5fc019b936c670f7c28aca61a9f935bb2996b2e4
Diameter
142774576
Circumference
448539559.081
Area
1.6010011341754E+16
Volume
1.5238817207161E+24
Surface area
6.4040045367016E+16
Circumference
448539559.081
Perimeter
285549152
Area
5096144887994944
Diagonal
100956870.87063
Surface area
30576869327969664
Volume
3.6379996280902E+23
Space diagonal
123646409.83055
Perimeter
214161864
Area
2.2066954671849E+15
Altitude
61823204.915276
Surface area
2.2066954671849E+15
Volume
4.2874236782946E+22
Height
33652290.290211