71388655 is an odd 8-digits composite number following 71388654
and preceding 71388656 . In scientific notation, it is written as 7.1388655 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 52717728 positive integers (up to 71388655) that are relatively prime to 71388655.
71388655 has 8 divisors, whose sum is 92256192
The reverse of 71388655 is 55688317
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred eighty-eight thousand six hundred fifty-five
Scientific notation
7.1388655 × 10^7
Engineering notation
7.1388655 × 10^6
Prime Factorization
5 × 13 × 1098287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71388655
Product of the distinct prime numbers
The prime factorization of 71388655 is 5 × 13 × 1098287.
Since it has a total of 3 prime factors.
6 , 7 , 74 , 35 , 593 , 253 , 4561 , 4580 , 29906 , 89777 , 561972 , 231884 , 7633544 , 9783815 , 54403137 , 43688127 , 192333735 , 205361120 , 9653160850 , 2795787238
n×2
142777310
n×3
214165965
n×4
285554620
n×5
356943275
n÷2
35694327.5
n÷3
23796218.333333
n÷3
17847163.75
n÷5
14277731
n2
5096340062709025
n3
3.6382086249941E+23
n4
2.5972682034773E+31
n5
1.8541548372051E+39
2 √n
8449.1807295145
3 √n
414.8359636213
4 √n
91.919425202264
5 √n
37.215669816991
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388654
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388655 can be divided by 8 positive divisors.
The sum of these divisors (counting 71388655) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100110111101111
3
Ternary
11222022220211021
4
Quaternary
10100110313233
5
Quinary
121233414110
6
Senary
11030035011
8
Octal
420246757
10
Decimal
71388655
12
Duodecimal
1baa8a67
16
Hexadecimal
4414def
20
Vigesimal
1263bcf
36
Base36
16i3u7
md5
a6cef89ac73ae9a086ed2ba840cd02ec
sha1
184532b769bd79d67333519a8ae432106c2a7db7
sha256
67f111d986b579355cfdce7f8a3aaa63916519caca858640e3e6b4d03acd1428
sha512
2667ecd951b142f5ea70e6d83a7eebf23a638159f5549e7f6f1e99f42f7fd410406c8e4052d4e8eadb028f22b92fde22efc4c91d3730c3308cd0cf774d51d31c
ripemd-160
bd73e3350ee97f7243302683c3a78fa8f0b68079
Diameter
142777310
Circumference
448548148.19531
Area
1.6010624501202E+16
Volume
1.5239692651345E+24
Surface area
6.4042498004808E+16
Circumference
448548148.19531
Perimeter
285554620
Area
5096340062709025
Diagonal
100958804.10057
Surface area
30578040376254150
Volume
3.6382086249941E+23
Space diagonal
123648777.54401
Perimeter
214165965
Area
2.2067799803152E+15
Altitude
61824388.772003
Surface area
2.2067799803152E+15
Volume
4.2876699835079E+22
Height
33652934.700191