81482810 is an even 8-digits composite number following 81482809
and preceding 81482811 . In scientific notation, it is written as 8.1482810 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 32570256 positive integers (up to 81482810) that are relatively prime to 81482810.
81482810 has 16 divisors, whose sum is 146772000
The reverse of 81482810 is 01828418
Previous prime number is 2699
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million four hundred eighty-two thousand eight hundred ten
Scientific notation
8.1482810 × 10^7
Engineering notation
8.1482810 × 10^6
Prime Factorization
2 × 5 × 2699 × 3019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81482810
Product of the distinct prime numbers
The prime factorization of 81482810 is 2 × 5 × 2699 × 3019.
Since it has a total of 4 prime factors.
5 , 2 , 16 , 19 , 870 , 561 , 9744 , 9330 , 66304 , 42464 , 809722 , 614902 , 2347703 , 6970532 , 64880751 , 56164572 , 575515515 , 845306241 , 9493381036 , 3954278813
n×2
162965620
n×3
244448430
n×4
325931240
n×5
407414050
n÷2
40741405
n÷3
27160936.666667
n÷3
20370702.5
n÷5
16296562
n2
6639448325496100
n3
5.4100090641122E+23
n4
4.4082274066933E+31
n5
3.5919475621638E+39
2 √n
9026.7829263808
3 √n
433.53283844347
4 √n
95.009383359649
5 √n
38.213181714285
1 , 2 , 5 , 10 , 2699 , 3019 , 5398 , 6038 , 13495 , 15095 , 26990 , 30190 , 8148281 , 16296562 , 40741405 , 81482810
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81482809
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81482810 can be divided by 16 positive divisors.
The sum of these divisors (counting 81482810) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110110101010000111010
3
Ternary
12200022202101212
4
Quaternary
10312311100322
5
Quinary
131324422220
6
Senary
12030243122
8
Octal
466652072
10
Decimal
81482810
12
Duodecimal
233564a2
16
Hexadecimal
4db543a
20
Vigesimal
159570a
36
Base36
1cigje
md5
b5cdd10f141dacda5bc476eb9690dc4e
sha1
d5521f0e4796ae2b9af3849a987113b1cd69c7be
sha256
4b11981581c534f493440fc4f9659fc6365f046bd47031bab9a1cff7d6ab7e0a
sha512
d7137120ce5c93ca884ce6f8f4a96af479778f97ed08e94d0aa9956c431b6970fb8b92df31042e07e88e8a2cbe273b1ddc6746f577a1253f21453c8145fd9337
ripemd-160
800f1108be407770476a58116fdf3e1414ceefe4
Diameter
162965620
Circumference
511971594.57971
Area
2.0858442083268E+16
Volume
2.2661392975559E+24
Surface area
8.343376833307E+16
Circumference
511971594.57971
Perimeter
325931240
Area
6639448325496100
Diagonal
115234095.00227
Surface area
39836689952976600
Volume
5.4100090641122E+23
Space diagonal
141132366.86348
Perimeter
244448430
Area
2.8749654584968E+15
Altitude
70566183.431741
Surface area
2.8749654584968E+15
Volume
6.3757568258573E+22
Height
38411365.000757