71388668 is an even 8-digits composite number following 71388667
and preceding 71388669 . In scientific notation, it is written as 7.1388668 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors.
There are 32325696 positive integers (up to 71388668) that are relatively prime to 71388668.
71388668 has 24 divisors, whose sum is 137083968
The reverse of 71388668 is 86688317
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million three hundred eighty-eight thousand six hundred sixty-eight
Scientific notation
7.1388668 × 10^7
Engineering notation
7.1388668 × 10^6
Prime Factorization
2 × 2 × 53 × 13 × 25903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
35694334
Product of the distinct prime numbers
The prime factorization of 71388668 is 2 × 2 × 53 × 13 × 25903.
Since it has a total of 5 prime factors.
1 , 2 , 82 , 31 , 767 , 243 , 3168 , 9204 , 88904 , 92359 , 795303 , 502218 , 7549295 , 1893453 , 62686894 , 53412810 , 317345704 , 269774254 , 6665990020 , 5584072915
n×2
142777336
n×3
214166004
n×4
285554672
n×5
356943340
n÷2
35694334
n÷3
23796222.666667
n÷3
17847167
n÷5
14277733.6
n2
5096341918814224
n3
3.6382106125671E+23
n4
2.5972700953463E+31
n5
1.8541565254301E+39
2 √n
8449.1814988199
3 √n
414.83598880209
4 √n
91.919429386936
5 √n
37.215671172398
1 , 2 , 4 , 13 , 26 , 52 , 53 , 106 , 212 , 689 , 1378 , 2756 , 25903 , 51806 , 103612 , 336739 , 673478 , 1346956 , 1372859 , 2745718 , 5491436 , 17847167 , 35694334 , 71388668
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388668 can be divided by 24 positive divisors.
The sum of these divisors (counting 71388668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010000010100110111111100
3
Ternary
11222022220211202
4
Quaternary
10100110313330
5
Quinary
121233414133
6
Senary
11030035032
8
Octal
420246774
10
Decimal
71388668
12
Duodecimal
1baa8a78
16
Hexadecimal
4414dfc
20
Vigesimal
1263bd8
36
Base36
16i3uk
md5
03c81589ed5b78f3b90cd4087efbaac4
sha1
28d738e07e4f8c162f60d4d53d50c73992f8660b
sha256
25f9f34e2f938b67d52aae19260961ee4ff2ebd9f0248b85992136d3e5005235
sha512
6ca7c6eda7d99d2cd73cd9628278d41f5409c442081c3478807a9f5ea770f51a9f8e148ab19808845acc9219530710fbd1bb0cf51168e1dcdce7f929db9b1759
ripemd-160
b89da4aaafdeebb9784b107cf43140d5e63dd8cb
Diameter
142777336
Circumference
448548229.87672
Area
1.6010630332328E+16
Volume
1.5239700976871E+24
Surface area
6.4042521329314E+16
Circumference
448548229.87672
Perimeter
285554672
Area
5096341918814224
Diagonal
100958822.48535
Surface area
30578051512885344
Volume
3.6382106125671E+23
Space diagonal
123648800.06067
Perimeter
214166004
Area
2.2067807840323E+15
Altitude
61824400.030333
Surface area
2.2067807840323E+15
Volume
4.2876723258851E+22
Height
33652940.82845