81306002 is an even 8-digits composite number following 81306001
and preceding 81306003 . In scientific notation, it is written as 8.1306002 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 38208768 positive integers (up to 81306002) that are relatively prime to 81306002.
81306002 has 16 divisors, whose sum is 129311640
The reverse of 81306002 is 20060318
Previous prime number is 1069
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million three hundred six thousand two
Scientific notation
8.1306002 × 10^7
Engineering notation
8.1306002 × 10^6
Prime Factorization
2 × 17 × 1069 × 2237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81306002
Product of the distinct prime numbers
The prime factorization of 81306002 is 2 × 17 × 1069 × 2237.
Since it has a total of 4 prime factors.
6 , 9 , 10 , 8 , 817 , 112 , 2487 , 5581 , 56599 , 70779 , 416619 , 809096 , 9610212 , 7188566 , 9764431 , 70812779 , 524734885 , 98356076 , 8777808468 , 1344143551
n×2
162612004
n×3
243918006
n×4
325224008
n×5
406530010
n÷2
40653001
n÷3
27102000.666667
n÷3
20326500.5
n÷5
16261200.4
n2
6610665961224004
n3
5.3748681986461E+23
n4
4.3700904450886E+31
n5
3.5531458246855E+39
2 √n
9016.984085602
3 √n
433.21903981122
4 √n
94.957801604723
5 √n
38.196583690458
1 , 2 , 17 , 34 , 1069 , 2138 , 2237 , 4474 , 18173 , 36346 , 38029 , 76058 , 2391353 , 4782706 , 40653001 , 81306002
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
-81306001
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 81306002 can be divided by 16 positive divisors.
The sum of these divisors (counting 81306002) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110001010000110010010
3
Ternary
12122222202212102
4
Quaternary
10312022012102
5
Quinary
131303243002
6
Senary
12022400402
8
Octal
466120622
10
Decimal
81306002
12
Duodecimal
23290102
16
Hexadecimal
4d8a192
20
Vigesimal
1583502
36
Base36
1ceo42
md5
759298f74837b0c958379a3834f2b2b2
sha1
0f965b0afae1fc481b751cf67dab3d9110d0a8f9
sha256
85bc88968305f8586b0f1a7a4f6409a11ce7c9c3b38b1923c7dd95dadd132068
sha512
02061ddf3a11938c683121bd60b2707e3e05793de646d69a7fe332f7581cd328f52ca4f6a1740d323d0e0c151f3a4e6ddee20c99482e9ef130746bf468ee44be
ripemd-160
feb9d3c7fcc893efe0b9e4aeeb555ef42d386ae7
Diameter
162612004
Circumference
510860677.15191
Area
2.0768019619117E+16
Volume
2.2514195262507E+24
Surface area
8.307207847647E+16
Circumference
510860677.15191
Perimeter
325224008
Area
6610665961224004
Diagonal
114984050.73073
Surface area
39663995767344024
Volume
5.3748681986461E+23
Space diagonal
140826126.4243
Perimeter
243918006
Area
2.8625023291765E+15
Altitude
70413063.212148
Surface area
2.8625023291765E+15
Volume
6.3343429187443E+22
Height
38328016.910245