81330463 is an odd 8-digits prime number following 81330462
and preceding 81330464 . In scientific notation, it is written as 8.1330463 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 81330462 positive integers (up to 81330463) that are relatively prime to 81330463.
81330463 has 2 divisors, whose sum is 81330464
The reverse of 81330463 is 36403318
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million three hundred thirty thousand four hundred sixty-three
Scientific notation
8.1330463 × 10^7
Engineering notation
8.1330463 × 10^6
Prime Factorization
81330463
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81330463
Product of the distinct prime numbers
The prime factorization of 81330463 is 81330463.
Since it has a total of 1 prime factors.
7 , 10 , 36 , 30 , 725 , 112 , 4879 , 6742 , 84837 , 10555 , 832082 , 385124 , 8936371 , 4150855 , 6870947 , 67054597 , 442141058 , 226318503 , 6478850093 , 8311223133
n×2
162660926
n×3
243991389
n×4
325321852
n×5
406652315
n÷2
40665231.5
n÷3
27110154.333333
n÷3
20332615.75
n÷5
16266092.6
n2
6614644211794369
n3
5.3797207632551E+23
n4
4.3753518048625E+31
n5
3.5584938807735E+39
2 √n
9018.3403683826
3 √n
433.26248026312
4 √n
94.964942838832
5 √n
38.198881710761
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81330464
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40665232
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9018.3404238252
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999975409
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330463 can be divided by 2 positive divisors.
The sum of these divisors (counting 81330463) is 81330464, the average is 40665232.
Base
System
Value
2
Binary
100110110010000000100011111
3
Ternary
12200001000102101
4
Quaternary
10312100010133
5
Quinary
131310033323
6
Senary
12023105531
8
Octal
466200437
10
Decimal
81330463
12
Duodecimal
232a22a7
16
Hexadecimal
4d9011f
20
Vigesimal
1586633
36
Base36
1cf6zj
md5
e33c22953dab3c5ffa5abd94eb833de7
sha1
4d26cb6825f4b25ac026b14bb8ae1c26274577b7
sha256
e7fee7aca1ddedfea2a3ed22a8be61567ef797fed7fa66b7a41829e144947ab8
sha512
ea2c2de88e8f7e76e68bbff12789373910916189032b73dce1a8c23db9de2685d1fef8e1f32a65e078756b6385517673663b91c45e055032a401ed20ea2c6425
ripemd-160
523d01d4172c5c0926da9e66a33ba6647e91a7ec
Diameter
162660926
Circumference
511014370.14771
Area
2.0780517661883E+16
Volume
2.2534521637609E+24
Surface area
8.3122070647534E+16
Circumference
511014370.14771
Perimeter
325321852
Area
6614644211794369
Diagonal
115018643.80868
Surface area
39687865270766214
Volume
5.3797207632551E+23
Space diagonal
140868494.1191
Perimeter
243991389
Area
2.8642249622048E+15
Altitude
70434247.05955
Surface area
2.8642249622048E+15
Volume
6.3400617209795E+22
Height
38339547.936228