81507466 is an even 8-digits composite number following 81507465
and preceding 81507467 . In scientific notation, it is written as 8.1507466 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 40703628 positive integers (up to 81507466) that are relatively prime to 81507466.
81507466 has 8 divisors, whose sum is 122411520
The reverse of 81507466 is 66470518
Previous prime number is 827
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million five hundred seven thousand four hundred sixty-six
Scientific notation
8.1507466 × 10^7
Engineering notation
8.1507466 × 10^6
Prime Factorization
2 × 827 × 49279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81507466
Product of the distinct prime numbers
The prime factorization of 81507466 is 2 × 827 × 49279.
Since it has a total of 3 prime factors.
4 , 6 , 62 , 51 , 613 , 215 , 9285 , 272 , 67624 , 80299 , 325817 , 394887 , 2204265 , 4850460 , 69052003 , 26494456 , 656033484 , 967611384 , 6588920844 , 9995023268
n×2
163014932
n×3
244522398
n×4
326029864
n×5
407537330
n÷2
40753733
n÷3
27169155.333333
n÷3
20376866.5
n÷5
16301493.2
n2
6643467013741156
n3
5.4149216174463E+23
n4
4.4135653962667E+31
n5
3.5973853147498E+39
2 √n
9028.1485366602
3 √n
433.57656180751
4 √n
95.016569800536
5 √n
38.215494030687
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
-81507465
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 81507466 can be divided by 8 positive divisors.
The sum of these divisors (counting 81507466) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110111011010010001010
3
Ternary
12200101000020001
4
Quaternary
10312323102022
5
Quinary
131331214331
6
Senary
12030553214
8
Octal
466732212
10
Decimal
81507466
12
Duodecimal
2336880a
16
Hexadecimal
4dbb48a
20
Vigesimal
15988d6
36
Base36
1cizka
md5
59cc1936621f0f7ee9b025ccdbc14396
sha1
309f7dff8ed6b046841e7e766047a4e8f90f889e
sha256
cfffe69bb6c109bb2c3544a78a6764f6585a6f3db3f4296ef635758ad6abac3f
sha512
744c1208d24300b31a2f827da576b69561602d35d40d262be7c8d9dfef5c5e86f419e17d5a6f3365b86d224fd589597b66c75480aa0f3c1a2498dd92ac364d7b
ripemd-160
3a1ce365a90562780f3aabe49ede959d74f5acab
Diameter
163014932
Circumference
512126512.79664
Area
2.0871067164735E+16
Volume
2.2681970630845E+24
Surface area
8.3484268658941E+16
Circumference
512126512.79664
Perimeter
326029864
Area
6643467013741156
Diagonal
115268963.85186
Surface area
39860802082446936
Volume
5.4149216174463E+23
Space diagonal
141175072.30819
Perimeter
244522398
Area
2.8767056015519E+15
Altitude
70587536.154096
Surface area
2.8767056015519E+15
Volume
6.3815463254832E+22
Height
38422987.950621