71661424 is an even 8-digits composite number following 71661423
and preceding 71661425 . In scientific notation, it is written as 7.1661424 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 35782848 positive integers (up to 71661424) that are relatively prime to 71661424.
71661424 has 20 divisors, whose sum is 139029544
The reverse of 71661424 is 42416617
Previous prime number is 877
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million six hundred sixty-one thousand four hundred twenty-four
Scientific notation
7.1661424 × 10^7
Engineering notation
7.1661424 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 877 × 5107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8957678
Product of the distinct prime numbers
The prime factorization of 71661424 is 2 × 2 × 2 × 2 × 877 × 5107.
Since it has a total of 6 prime factors.
10 , 4 , 86 , 35 , 109 , 751 , 7233 , 8440 , 3483 , 19418 , 432181 , 57632 , 7898452 , 5187251 , 70648564 , 37983381 , 535721511 , 342115038 , 9632248744 , 762237896
n×2
143322848
n×3
214984272
n×4
286645696
n×5
358307120
n÷2
35830712
n÷3
23887141.333333
n÷3
17915356
n÷5
14332284.8
n2
5135359689707776
n3
3.6800718811666E+23
n4
2.6371919142676E+31
n5
1.889849279377E+39
2 √n
8465.3070824395
3 √n
415.36364120469
4 √n
92.007103434678
5 √n
37.244065930342
1 , 2 , 4 , 8 , 16 , 877 , 1754 , 3508 , 5107 , 7016 , 10214 , 14032 , 20428 , 40856 , 81712 , 4478839 , 8957678 , 17915356 , 35830712 , 71661424
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
-71661423
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 71661424 can be divided by 20 positive divisors.
The sum of these divisors (counting 71661424) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010001010111011101110000
3
Ternary
11222211202222211
4
Quaternary
10101113131300
5
Quinary
121321131144
6
Senary
11035541504
8
Octal
421273560
10
Decimal
71661424
12
Duodecimal
1bbba894
16
Hexadecimal
4457770
20
Vigesimal
127hdb4
36
Base36
16nyb4
md5
be8868d4c892ec0949fba4f5ef2b6c77
sha1
a86f77eedd57de717cad964e1e31e225c93521a2
sha256
5e3613d1b1a1ae09752bee53c58a761792af63c69167c8f541856ee1ce3e2d83
sha512
27beceddd2c60b9e3fe0bb4e6c0f58a69992139b67b3e11a70b7bd20f1e0ad396b926f75b0725dab2a1e5fcc88dd11f90a30609302fb5df669aede3c5553a576
ripemd-160
e508b6101e6bbcbfd1c68262faf2d94bca5c1df4
Diameter
143322848
Circumference
450262006.36837
Area
1.6133208274727E+16
Volume
1.541504904874E+24
Surface area
6.4532833098908E+16
Circumference
450262006.36837
Perimeter
286645696
Area
5135359689707776
Diagonal
101344557.71977
Surface area
30812158138246656
Volume
3.6800718811666E+23
Space diagonal
124121227.31074
Perimeter
214984272
Area
2.2236759744288E+15
Altitude
62060613.655368
Surface area
2.2236759744288E+15
Volume
4.3370063040447E+22
Height
33781519.239923