71661284 is an even 8-digits composite number following 71661283
and preceding 71661285 . In scientific notation, it is written as 7.1661284 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 34272744 positive integers (up to 71661284) that are relatively prime to 71661284.
71661284 has 12 divisors, whose sum is 130859904
The reverse of 71661284 is 48216617
Previous prime number is 23
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 two hundred eighty-four
Scientific notation
7.1661284 × 10^7
Engineering notation
7.1661284 × 10^6
Prime Factorization
2 × 2 × 23 × 778927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35830642
Product of the distinct prime numbers
The prime factorization of 71661284 is 2 × 2 × 23 × 778927.
Since it has a total of 4 prime factors.
4 , 10 , 60 , 82 , 695 , 912 , 7984 , 662 , 5056 , 20339 , 840126 , 696619 , 8448963 , 4330458 , 2291194 , 32142931 , 797316958 , 710063740 , 8443702601 , 6226772217
n×2
143322568
n×3
214983852
n×4
286645136
n×5
358306420
n÷2
35830642
n÷3
23887094.666667
n÷3
17915321
n÷5
14332256.8
n2
5135339624528656
n3
3.680050312698E+23
n4
2.6371713059254E+31
n5
1.8898308191057E+39
2 √n
8465.2988133911
3 √n
415.36337071538
4 √n
92.007058497656
5 √n
37.244051378096
1 , 2 , 4 , 23 , 46 , 92 , 778927 , 1557854 , 3115708 , 17915321 , 35830642 , 71661284
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71661283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71661284 can be divided by 12 positive divisors.
The sum of these divisors (counting 71661284) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010001010111011011100100
3
Ternary
11222211202210122
4
Quaternary
10101113123210
5
Quinary
121321130114
6
Senary
11035541112
8
Octal
421273344
10
Decimal
71661284
12
Duodecimal
1bbba798
16
Hexadecimal
44576e4
20
Vigesimal
127hd44
36
Base36
16ny78
md5
eb1efd0a8278c164464f8c2bdd6f3dc4
sha1
f41bad3aefe8027fecf093786dd9baade24920af
sha256
b44de6702702a5fc93831bc05b92836a090ed2e66c064b03057cd569fd367229
sha512
969f4b8453d8695e529132932372a0365d48e920038c250351f7e6a95b9651923de5c5fc7ddbdb333118f22ee4e73d98e1da4fd53fe313e2c9c52e7a9e7656ce
ripemd-160
e29555687515b2bb80a2add0a160b1859f988f0f
Diameter
143322568
Circumference
450261126.72242
Area
1.6133145238108E+16
Volume
1.5414958702951E+24
Surface area
6.4532580952431E+16
Circumference
450261126.72242
Perimeter
286645136
Area
5135339624528656
Diagonal
101344359.72987
Surface area
30812037747171936
Volume
3.680050312698E+23
Space diagonal
124120984.82362
Perimeter
214983852
Area
2.2236672859513E+15
Altitude
62060492.411811
Surface area
2.2236672859513E+15
Volume
4.3369808853607E+22
Height
33781453.24329