71205428 is an even 8-digits composite number following 71205427
and preceding 71205429 . In scientific notation, it is written as 7.1205428 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 24 positive divisors.
There are 30516024 positive integers (up to 71205428) that are relatively prime to 71205428.
71205428 has 24 divisors, whose sum is 145320000
The reverse of 71205428 is 82450217
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-one million two hundred five thousand four hundred twenty-eight
Scientific notation
7.1205428 × 10^7
Engineering notation
7.1205428 × 10^6
Prime Factorization
2 × 2 × 7 × 7 × 7 × 51899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
726586
Product of the distinct prime numbers
The prime factorization of 71205428 is 2 × 2 × 7 × 7 × 7 × 51899.
Since it has a total of 6 prime factors.
3 , 2 , 75 , 90 , 609 , 634 , 8879 , 7567 , 54308 , 52722 , 662586 , 562397 , 3167717 , 5910645 , 26724577 , 26535760 , 803478856 , 594379708 , 5149255530 , 6760679317
n×2
142410856
n×3
213616284
n×4
284821712
n×5
356027140
n÷2
35602714
n÷3
23735142.666667
n÷3
17801357
n÷5
14241085.6
n2
5070212976663184
n3
3.6102668505446E+23
n4
2.5707059628724E+31
n5
1.8304821834848E+39
2 √n
8438.3308776084
3 √n
414.48075185522
4 √n
91.860387967875
5 √n
37.196546534899
1 , 2 , 4 , 7 , 14 , 28 , 49 , 98 , 196 , 343 , 686 , 1372 , 51899 , 103798 , 207596 , 363293 , 726586 , 1453172 , 2543051 , 5086102 , 10172204 , 17801357 , 35602714 , 71205428
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
-71205427
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 71205428 can be divided by 24 positive divisors.
The sum of these divisors (counting 71205428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100001111101000001000110100
3
Ternary
11221222121111002
4
Quaternary
10033220020310
5
Quinary
121212033203
6
Senary
11022102432
8
Octal
417501064
10
Decimal
71205428
12
Duodecimal
1ba1aa18
16
Hexadecimal
43e8234
20
Vigesimal
1250db8
36
Base36
16e6gk
md5
bbf41ec8d0051a5f00a35e17ce82a4f6
sha1
11e12fed63af4b81717a5ebe7549ad0ccd730f65
sha256
439276859b1f5c852d62a61e30869cb26f38d3208af948dce83eb203541003d7
sha512
174c1aa115b9adae12107a16388901ad0aca5a676aa132232820d6509c3e87b3e83f7f35d3fc9813a12cd8377e881d77c98fee1e55dce5c4aff1e074f8f43b10
ripemd-160
2eb36f341991cb9862c6e4e42bbaa3015f496839
Diameter
142410856
Circumference
447396899.00103
Area
1.5928543839621E+16
Volume
1.5122650420226E+24
Surface area
6.3714175358483E+16
Circumference
447396899.00103
Perimeter
284821712
Area
5070212976663184
Diagonal
100699681.99218
Surface area
30421277859979104
Volume
3.6102668505446E+23
Space diagonal
123331419.07069
Perimeter
213616284
Area
2.1954666201939E+15
Altitude
61665709.535344
Surface area
2.1954666201939E+15
Volume
4.2547402865218E+22
Height
33566560.66406