71661564 is an even 8-digits composite number following 71661563
and preceding 71661565 . In scientific notation, it is written as 7.1661564 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 21518784 positive integers (up to 71661564) that are relatively prime to 71661564.
71661564 has 24 divisors, whose sum is 128798208
The reverse of 71661564 is 46516617
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million six hundred sixty-one thousand five hundred sixty-four
Scientific notation
7.1661564 × 10^7
Engineering notation
7.1661564 × 10^6
Prime Factorization
2 × 2 × 351 × 43 × 1187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
35830782
Product of the distinct prime numbers
The prime factorization of 71661564 is 2 × 2 × 351 × 43 × 1187.
Since it has a total of 5 prime factors.
6 , 7 , 56 , 95 , 359 , 172 , 8247 , 3782 , 23495 , 48742 , 397856 , 318170 , 8578450 , 7307014 , 41273671 , 8339484 , 258693898 , 269041975 , 8630115949 , 6237920633
n×2
143323128
n×3
214984692
n×4
286646256
n×5
358307820
n÷2
35830782
n÷3
23887188
n÷3
17915391
n÷5
14332312.8
n2
5135379754926096
n3
3.6800934497194E+23
n4
2.6372125227305E+31
n5
1.8898677397925E+39
2 √n
8465.3153514798
3 √n
415.36391169365
4 √n
92.007148371634
5 √n
37.244080482565
1 , 2 , 4 , 43 , 86 , 172 , 351 , 702 , 1187 , 1404 , 2374 , 4748 , 15093 , 30186 , 51041 , 60372 , 102082 , 204164 , 416637 , 833274 , 1666548 , 17915391 , 35830782 , 71661564
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
-71661563
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 71661564 can be divided by 24 positive divisors.
The sum of these divisors (counting 71661564) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010001010111011111111100
3
Ternary
11222211210012000
4
Quaternary
10101113133330
5
Quinary
121321132224
6
Senary
11035542300
8
Octal
421273774
10
Decimal
71661564
12
Duodecimal
1bbba990
16
Hexadecimal
44577fc
20
Vigesimal
127hdi4
36
Base36
16nyf0
md5
6b9fd4597c7cc8faf1003d3cde671d0a
sha1
75333992002b58ab9d55afb58c3e770815394d1c
sha256
74a9e35a83ed988e4a26b79dfb344335681d4099e87eb8bb97f8f6e658d92c9f
sha512
086d1ad779af53fff08abe629460c6495e966b35d0f5707fb78a383762b1b1dd77d893abbd76b675421a864da531a4d04a2c0fef1bae11606a4a2e12a80d1de9
ripemd-160
30cd27c70bedfb3cf9a975000167a48866ed0d20
Diameter
143323128
Circumference
450262886.01431
Area
1.613327131147E+16
Volume
1.5415139394883E+24
Surface area
6.4533085245878E+16
Circumference
450262886.01431
Perimeter
286646256
Area
5135379754926096
Diagonal
101344755.70967
Surface area
30812278529556576
Volume
3.6800934497194E+23
Space diagonal
124121469.79785
Perimeter
214984692
Area
2.2236846629232E+15
Altitude
62060734.898924
Surface area
2.2236846629232E+15
Volume
4.337031722828E+22
Height
33781585.236556