71295728 is an even 8-digits composite number following 71295727
and preceding 71295729 . In scientific notation, it is written as 7.1295728 × 10^7.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 30555264 positive integers (up to 71295728) that are relatively prime to 71295728.
71295728 has 20 divisors, whose sum is 157869360
The reverse of 71295728 is 82759217
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-one million two hundred ninety-five thousand seven hundred twenty-eight
Scientific notation
7.1295728 × 10^7
Engineering notation
7.1295728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 636569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8911966
Product of the distinct prime numbers
The prime factorization of 71295728 is 2 × 2 × 2 × 2 × 7 × 636569.
Since it has a total of 6 prime factors.
1 , 9 , 91 , 52 , 261 , 535 , 7722 , 9942 , 33795 , 44306 , 224409 , 972103 , 6754235 , 2300352 , 71677258 , 86137139 , 738916378 , 268842679 , 9084639891 , 4613393538
n×2
142591456
n×3
213887184
n×4
285182912
n×5
356478640
n÷2
35647864
n÷3
23765242.666667
n÷3
17823932
n÷5
14259145.6
n2
5083080831049984
n3
3.6240194833255E+23
n4
2.5837710734988E+31
n5
1.8421183967044E+39
2 √n
8443.6797665473
3 √n
414.65588738753
4 √n
91.889497585672
5 √n
37.205976000367
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 636569 , 1273138 , 2546276 , 4455983 , 5092552 , 8911966 , 10185104 , 17823932 , 35647864 , 71295728
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71295727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71295728 can be divided by 20 positive divisors.
The sum of these divisors (counting 71295728) is 1, the average is 0.05.
Base
System
Value
2
Binary
100001111111110001011110000
3
Ternary
11222011012100112
4
Quaternary
10033332023300
5
Quinary
121222430403
6
Senary
11024040452
8
Octal
417761360
10
Decimal
71295728
12
Duodecimal
1ba63128
16
Hexadecimal
43fe2f0
20
Vigesimal
125bj68
36
Base36
16g44w
md5
7ea34bd4d3bf7c086b1541ec8d0ba877
sha1
30c88c3b095c2019496cfbb21c6d2b5281111c73
sha256
984d903aac9fc1921d2fd872b83ce6cac195a5d390dcaf7e33d5543c12ed515f
sha512
504ae8330dd9b885c92bce6c170c6bb4079307e2a1cfcc01807c7e9238942d1aacadcede3646c6a1b48ce06c4b5d17189b6c8b529511c2ebc9c3909be30213b5
ripemd-160
594a84251ccb5f21cbda2f4b1d3f568d0dcba40d
Diameter
142591456
Circumference
447964270.63427
Area
1.596896939643E+16
Volume
1.5180257313709E+24
Surface area
6.3875877585719E+16
Circumference
447964270.63427
Perimeter
285182912
Area
5083080831049984
Diagonal
100827385.47686
Surface area
30498484986299904
Volume
3.6240194833255E+23
Space diagonal
123487823.25861
Perimeter
213887184
Area
2.2010385645895E+15
Altitude
61743911.629306
Surface area
2.2010385645895E+15
Volume
4.2709479196861E+22
Height
33609128.492288