71661806 is an even 8-digits composite number following 71661805
and preceding 71661807 . In scientific notation, it is written as 7.1661806 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 33888960 positive integers (up to 71661806) that are relatively prime to 71661806.
71661806 has 16 divisors, whose sum is 113337360
The reverse of 71661806 is 60816617
Previous prime number is 821
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million six hundred sixty-one thousand eight hundred six
Scientific notation
7.1661806 × 10^7
Engineering notation
7.1661806 × 10^6
Prime Factorization
2 × 19 × 821 × 2297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71661806
Product of the distinct prime numbers
The prime factorization of 71661806 is 2 × 19 × 821 × 2297.
Since it has a total of 4 prime factors.
10 , 3 , 42 , 41 , 294 , 929 , 8823 , 1062 , 36388 , 14591 , 806976 , 81070 , 134451 , 9270070 , 35020286 , 92681938 , 517207385 , 817985641 , 7696813575 , 8349839531
n×2
143323612
n×3
214985418
n×4
286647224
n×5
358309030
n÷2
35830903
n÷3
23887268.666667
n÷3
17915451.5
n÷5
14332361.2
n2
5135414439181636
n3
3.6801307327023E+23
n4
2.6372481462155E+31
n5
1.8898996502796E+39
2 √n
8465.3296450877
3 √n
415.3643792523
4 √n
92.007226048217
5 √n
37.244105637069
1 , 2 , 19 , 38 , 821 , 1642 , 2297 , 4594 , 15599 , 31198 , 43643 , 87286 , 1885837 , 3771674 , 35830903 , 71661806
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71661805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71661806 can be divided by 16 positive divisors.
The sum of these divisors (counting 71661806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010001010111100011101110
3
Ternary
11222211210111222
4
Quaternary
10101113203232
5
Quinary
121321134211
6
Senary
11035543342
8
Octal
421274356
10
Decimal
71661806
12
Duodecimal
1bbbab52
16
Hexadecimal
44578ee
20
Vigesimal
127hea6
36
Base36
16nylq
md5
7f798d2daa97d854ae4c7e1ce75471ea
sha1
21000163b8805e66ae9ed04fd4f26e502e82d439
sha256
b797f8e5c243cafc31edfb4b5fb7253295d14f1d9bd0f4d5d93801631996e09d
sha512
c51bbcb4abf53a3b7a8097d5dbaf2f37d8aa4511dcb803289f45974fe00cf4d20ea6604a8f45f563f6f7d31aab82a0f9e772d8da28f9ce95f7bcc624ccc2fb1c
ripemd-160
923781d9ce9ef680d3464496b7e20a858447504b
Diameter
143323612
Circumference
450264406.54515
Area
1.6133380275272E+16
Volume
1.5415295565477E+24
Surface area
6.4533521101088E+16
Circumference
450264406.54515
Perimeter
286647224
Area
5135414439181636
Diagonal
101345097.94935
Surface area
30812486635089816
Volume
3.6801307327023E+23
Space diagonal
124121888.95414
Perimeter
214985418
Area
2.2236996816464E+15
Altitude
62060944.477072
Surface area
2.2236996816464E+15
Volume
4.3370756612447E+22
Height
33781699.31645