71248721 is an odd 8-digits composite number following 71248720
and preceding 71248722 . In scientific notation, it is written as 7.1248721 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 69591732 positive integers (up to 71248721) that are relatively prime to 71248721.
71248721 has 4 divisors, whose sum is 72905712
The reverse of 71248721 is 12784217
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-one million two hundred forty-eight thousand seven hundred twenty-one
Scientific notation
7.1248721 × 10^7
Engineering notation
7.1248721 × 10^6
Prime Factorization
43 × 1656947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71248721
Product of the distinct prime numbers
The prime factorization of 71248721 is 43 × 1656947.
Since it has a total of 2 prime factors.
3 , 2 , 54 , 78 , 657 , 633 , 3005 , 4364 , 90073 , 8393 , 850803 , 839742 , 4747286 , 6389281 , 56936560 , 99453680 , 296135142 , 749387708 , 3560363288 , 6825784812
n×2
142497442
n×3
213746163
n×4
284994884
n×5
356243605
n÷2
35624360.5
n÷3
23749573.666667
n÷3
17812180.25
n÷5
14249744.2
n2
5076380244135841
n3
3.6168559970435E+23
n4
2.5769636383053E+31
n5
1.8360536329276E+39
2 √n
8440.8957463056
3 √n
414.56473646257
4 √n
91.874347596626
5 √n
37.20106854576
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
-71248720
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 71248721 can be divided by 4 positive divisors.
The sum of these divisors (counting 71248721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111110010101101010001
3
Ternary
11222001210212112
4
Quaternary
10033302231101
5
Quinary
121214424341
6
Senary
11023035105
8
Octal
417625521
10
Decimal
71248721
12
Duodecimal
1ba3ba95
16
Hexadecimal
43f2b51
20
Vigesimal
12561g1
36
Base36
16f3v5
md5
21ff317d3316c56d8b898979e42f76dc
sha1
1781b3ea5136bd2fc91bf7c220c9aa6b4b1c2813
sha256
2f496ae535182c4dcc235db393ca5a1707cb2e633bbe9ce003925f4dfa2f83e2
sha512
f9acd1fa58315844989bbc9bcb3103900ad271bdd4fba86f413622550b29156b411fa74bfb9f83bc7999d6a7995cc31fba4a4c06bd327284d0d39629586702f9
ripemd-160
d946bc95afd722617fc05e9f06783b1be0c9e4a2
Diameter
142497442
Circumference
447668916.94254
Area
1.5947918881806E+16
Volume
1.5150250972539E+24
Surface area
6.3791675527222E+16
Circumference
447668916.94254
Perimeter
284994884
Area
5076380244135841
Diagonal
100760907.53994
Surface area
30458281464815046
Volume
3.6168559970435E+23
Space diagonal
123406404.7463
Perimeter
213746163
Area
2.1981371253455E+15
Altitude
61703202.37315
Surface area
2.1981371253455E+15
Volume
4.2625056701411E+22
Height
33586969.179979