71388394 is an even 8-digits composite number following 71388393
and preceding 71388395 . In scientific notation, it is written as 7.1388394 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors.
There are 27202560 positive integers (up to 71388394) that are relatively prime to 71388394.
71388394 has 32 divisors, whose sum is 126696960
The reverse of 71388394 is 49388317
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred eighty-eight thousand three hundred ninety-four
Scientific notation
7.1388394 × 10^7
Engineering notation
7.1388394 × 10^6
Prime Factorization
2 × 7 × 77 × 47 × 1409
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71388394
Product of the distinct prime numbers
The prime factorization of 71388394 is 2 × 7 × 77 × 47 × 1409.
Since it has a total of 5 prime factors.
2 , 9 , 45 , 73 , 638 , 133 , 2956 , 1743 , 24808 , 47275 , 605731 , 688945 , 6284660 , 1736798 , 65893387 , 65935015 , 25638373 , 750374846 , 9013565297 , 7436390807
n×2
142776788
n×3
214165182
n×4
285553576
n×5
356941970
n÷2
35694197
n÷3
23796131.333333
n÷3
17847098.5
n÷5
14277678.8
n2
5096302797899236
n3
3.6381687207973E+23
n4
2.5972302207876E+31
n5
1.8541209431029E+39
2 √n
8449.165284216
3 √n
414.83545806796
4 √n
91.919341186803
5 √n
37.215642604532
1 , 2 , 7 , 14 , 47 , 77 , 94 , 154 , 329 , 539 , 658 , 1078 , 1409 , 2818 , 3619 , 7238 , 9863 , 19726 , 25333 , 50666 , 66223 , 108493 , 132446 , 216986 , 463561 , 759451 , 927122 , 1518902 , 5099171 , 10198342 , 35694197 , 71388394
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388394 can be divided by 32 positive divisors.
The sum of these divisors (counting 71388394) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100110011101010
3
Ternary
11222022220110121
4
Quaternary
10100110303222
5
Quinary
121233412034
6
Senary
11030033454
8
Octal
420246352
10
Decimal
71388394
12
Duodecimal
1baa888a
16
Hexadecimal
4414cea
20
Vigesimal
1263aje
36
Base36
16i3my
md5
f38968fc62de804d0e585c0cd1280fc1
sha1
fa7389753f9415481cd09d236a13f65eb1679556
sha256
91962fc994813fb960684c02ee6d92e466733ede8dfd59e994cc844f14892bea
sha512
46ca5439d74d85e398bc18d51f30613f2f7a6040fae092f15f42dc48d0bd239f6df1b3648d595bf8fca0c7e84461c20b95e194944e8c1d75ea9fbff7763834cb
ripemd-160
33a4cef47be6dd9e4c0da3c36bd98cb2d7f933c8
Diameter
142776788
Circumference
448546508.28395
Area
1.6010507430349E+16
Volume
1.5239525501036E+24
Surface area
6.4042029721397E+16
Circumference
448546508.28395
Perimeter
285553576
Area
5096302797899236
Diagonal
100958434.99083
Surface area
30577816787395416
Volume
3.6381687207973E+23
Space diagonal
123648325.47875
Perimeter
214165182
Area
2.2067638441792E+15
Altitude
61824162.739373
Surface area
2.2067638441792E+15
Volume
4.287622955961E+22
Height
33652811.663611