71388911 is an odd 8-digits composite number following 71388910
and preceding 71388912 . In scientific notation, it is written as 7.1388911 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 63513120 positive integers (up to 71388911) that are relatively prime to 71388911.
71388911 has 4 divisors, whose sum is 71407152
The reverse of 71388911 is 11988317
Previous prime number is 5687
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred eighty-eight thousand nine hundred eleven
Scientific notation
7.1388911 × 10^7
Engineering notation
7.1388911 × 10^6
Prime Factorization
5687 × 12553
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71388911
Product of the distinct prime numbers
The prime factorization of 71388911 is 5687 × 12553.
Since it has a total of 2 prime factors.
3 , 4 , 10 , 88 , 368 , 341 , 2884 , 2356 , 87565 , 13963 , 14607 , 931577 , 2670212 , 3499809 , 54342912 , 99862106 , 805606671 , 607287473 , 1463655197 , 6395302581
n×2
142777822
n×3
214166733
n×4
285555644
n×5
356944555
n÷2
35694455.5
n÷3
23796303.666667
n÷3
17847227.75
n÷5
14277782.2
n2
5096376613765921
n3
3.6382477650262E+23
n4
2.597305458934E+31
n5
1.8541880824765E+39
2 √n
8449.1958788988
3 √n
414.83645948851
4 √n
91.919507608009
5 √n
37.21569650806
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
-71388910
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 71388911 can be divided by 4 positive divisors.
The sum of these divisors (counting 71388911) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010100111011101111
3
Ternary
11222022221011202
4
Quaternary
10100110323233
5
Quinary
121233421121
6
Senary
11030040115
8
Octal
420247357
10
Decimal
71388911
12
Duodecimal
1baa903b
16
Hexadecimal
4414eef
20
Vigesimal
1263c5b
36
Base36
16i41b
md5
24268ae431f10f028fc1e8ecc596b3ff
sha1
4585b6b1774b40a4f38b1915c9f0ddb428cd1160
sha256
c6ac42acbd9e1c01194596ab365fe37301b34eb595cd67fdb85ece6050886dbb
sha512
b888862162367e00b09a8afc21c7930ef5f89beb7c9da231482d65103ca2b69e486dfbe50ea45981fc6dc66ba087f743d77f435f5c4a9c9bfa23eaa0dfc87092
ripemd-160
9fad5cafb689ed9c22f77c55d32802affa2d5fc8
Diameter
142777822
Circumference
448549756.69075
Area
1.6010739329734E+16
Volume
1.5239856600728E+24
Surface area
6.4042957318935E+16
Circumference
448549756.69075
Perimeter
285555644
Area
5096376613765921
Diagonal
100959166.13925
Surface area
30578259682595526
Volume
3.6382477650262E+23
Space diagonal
123649220.94901
Perimeter
214166733
Area
2.2067958073871E+15
Altitude
61824610.474506
Surface area
2.2067958073871E+15
Volume
4.287716110478E+22
Height
33653055.379749