81475319 is an odd 8-digits composite number following 81475318
and preceding 81475320 . In scientific notation, it is written as 8.1475319 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 80566200 positive integers (up to 81475319) that are relatively prime to 81475319.
81475319 has 8 divisors, whose sum is 82389120
The reverse of 81475319 is 91357418
Previous prime number is 1879
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million four hundred seventy-five thousand three hundred nineteen
Scientific notation
8.1475319 × 10^7
Engineering notation
8.1475319 × 10^6
Prime Factorization
131 × 1879 × 331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81475319
Product of the distinct prime numbers
The prime factorization of 81475319 is 131 × 1879 × 331.
Since it has a total of 3 prime factors.
2 , 7 , 72 , 81 , 78 , 918 , 4197 , 8744 , 72264 , 53858 , 405338 , 965333 , 4372016 , 7765715 , 76655883 , 68794187 , 293639836 , 16613116 , 2120220894 , 76666965
n×2
162950638
n×3
244425957
n×4
325901276
n×5
407376595
n÷2
40737659.5
n÷3
27158439.666667
n÷3
20368829.75
n÷5
16295063.8
n2
6638227606151761
n3
5.4085171180582E+23
n4
4.4066065751075E+31
n5
3.5902967641438E+39
2 √n
9026.3679849649
3 √n
433.51955263911
4 √n
95.007199648053
5 √n
38.212479074129
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81475318
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81475319 can be divided by 8 positive divisors.
The sum of these divisors (counting 81475319) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110011011011110111
3
Ternary
12200022101010102
4
Quaternary
10312303123313
5
Quinary
131324202234
6
Senary
12030144315
8
Octal
466633367
10
Decimal
81475319
12
Duodecimal
2335209b
16
Hexadecimal
4db36f7
20
Vigesimal
159485j
36
Base36
1ciarb
md5
29b72a1e5a7eb2e274517601faa6744b
sha1
bccdb4fd3cb14ad6bfbb09f0cffcce557c1609ac
sha256
a4e7e694074153f96e042401b38e549d0c79ec93069c69c806427ed4db46e209
sha512
2bd3b0cd880d38c74a6c6d332f2190cc1c7d4b8c09b40a7d3645790a24c64d5ec72e08e2399ba09b0c63fa8356a098d181652ed704c58dc24a2bc597ab087920
ripemd-160
c8c1b04fcbe54d7e16af2739fa812ad933c6c654
Diameter
162950638
Circumference
511924527.23857
Area
2.0854607080343E+16
Volume
2.2655143526542E+24
Surface area
8.3418428321373E+16
Circumference
511924527.23857
Perimeter
325901276
Area
6638227606151761
Diagonal
115223501.12847
Surface area
39829365636910566
Volume
5.4085171180582E+23
Space diagonal
141119392.07088
Perimeter
244425957
Area
2.8744368715153E+15
Altitude
70559696.035441
Surface area
2.8744368715153E+15
Volume
6.3739985505708E+22
Height
38407833.709491