81475316 is an even 8-digits composite number following 81475315
and preceding 81475317 . In scientific notation, it is written as 8.1475316 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 36390240 positive integers (up to 81475316) that are relatively prime to 81475316.
81475316 has 24 divisors, whose sum is 158505984
The reverse of 81475316 is 61357418
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million four hundred seventy-five thousand three hundred sixteen
Scientific notation
8.1475316 × 10^7
Engineering notation
8.1475316 × 10^6
Prime Factorization
2 × 2 × 13 × 31 × 50543
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40737658
Product of the distinct prime numbers
The prime factorization of 81475316 is 2 × 2 × 13 × 31 × 50543.
Since it has a total of 5 prime factors.
8 , 5 , 80 , 72 , 826 , 337 , 1534 , 6859 , 49895 , 63281 , 322433 , 305820 , 757498 , 2941977 , 71588270 , 99324033 , 596971350 , 23697077 , 1930391202 , 6089968891
n×2
162950632
n×3
244425948
n×4
325901264
n×5
407376580
n÷2
40737658
n÷3
27158438.666667
n÷3
20368829
n÷5
16295063.2
n2
6638227117299856
n3
5.4085165206177E+23
n4
4.4066059260855E+31
n5
3.5902961031529E+39
2 √n
9026.3678187851
3 √n
433.51954731824
4 √n
95.007198773488
5 √n
38.212478792725
1 , 2 , 4 , 13 , 26 , 31 , 52 , 62 , 124 , 403 , 806 , 1612 , 50543 , 101086 , 202172 , 657059 , 1314118 , 1566833 , 2628236 , 3133666 , 6267332 , 20368829 , 40737658 , 81475316
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
-81475315
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 81475316 can be divided by 24 positive divisors.
The sum of these divisors (counting 81475316) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110110011011011110100
3
Ternary
12200022101010022
4
Quaternary
10312303123310
5
Quinary
131324202231
6
Senary
12030144312
8
Octal
466633364
10
Decimal
81475316
12
Duodecimal
23352098
16
Hexadecimal
4db36f4
20
Vigesimal
159485g
36
Base36
1ciar8
md5
5cd16c5aab4354be5581cb902dda5a9d
sha1
4796c111041e23dd1a01b9eb0df5c2f045210d5f
sha256
b31b5b57654c343967dbdf4c9a16c45e26a25183541bac4d19bf9c2f24553475
sha512
6c52e5352c6c4cd765181de48e3c75a2c7726c25f8836ad7a7bbf71d7f7af5475360fb65e3299891c6d376d61797c99f632f6cdbc80d0e214cb9d39b29d81ce8
ripemd-160
d478713cddc03287b980978068773755f87279f5
Diameter
162950632
Circumference
511924508.38901
Area
2.085460554457E+16
Volume
2.2655141023989E+24
Surface area
8.3418422178279E+16
Circumference
511924508.38901
Perimeter
325901264
Area
6638227117299856
Diagonal
115223496.88583
Surface area
39829362703799136
Volume
5.4085165206177E+23
Space diagonal
141119386.87473
Perimeter
244425948
Area
2.8744366598362E+15
Altitude
70559693.437365
Surface area
2.8744366598362E+15
Volume
6.3739978464805E+22
Height
38407832.295278