81303208 is an even 8-digits composite number following 81303207
and preceding 81303209 . In scientific notation, it is written as 8.1303208 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 33901632 positive integers (up to 81303208) that are relatively prime to 81303208.
81303208 has 16 divisors, whose sum is 153036000
The reverse of 81303208 is 80230318
Previous prime number is 259
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million three hundred three thousand two hundred eight
Scientific notation
8.1303208 × 10^7
Engineering notation
8.1303208 × 10^6
Prime Factorization
2 × 2 × 2 × 259 × 39239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20325802
Product of the distinct prime numbers
The prime factorization of 81303208 is 2 × 2 × 2 × 259 × 39239.
Since it has a total of 5 prime factors.
10 , 2 , 93 , 96 , 11 , 976 , 9515 , 6669 , 30723 , 83399 , 962053 , 643254 , 5569031 , 3723233 , 66385371 , 54421680 , 724443034 , 448688563 , 8388192017 , 4080091130
n×2
162606416
n×3
243909624
n×4
325212832
n×5
406516040
n÷2
40651604
n÷3
27101069.333333
n÷3
20325802
n÷5
16260641.6
n2
6610211631091264
n3
5.3743141116663E+23
n4
4.3694897807814E+31
n5
3.5525353650075E+39
2 √n
9016.8291544201
3 √n
433.21407737371
4 √n
94.956985811577
5 √n
38.196321169318
1 , 2 , 4 , 8 , 259 , 518 , 1036 , 2072 , 39239 , 78478 , 156956 , 313912 , 10162901 , 20325802 , 40651604 , 81303208
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
-81303207
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 81303208 can be divided by 16 positive divisors.
The sum of these divisors (counting 81303208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110001001011010101000
3
Ternary
12122222122000221
4
Quaternary
10312021122220
5
Quinary
131303200313
6
Senary
12022335424
8
Octal
466113250
10
Decimal
81303208
12
Duodecimal
2328a574
16
Hexadecimal
4d896a8
20
Vigesimal
1582i08
36
Base36
1celyg
md5
9aa3b0b84bb078f04c77aeb96811aff8
sha1
5afb033a07c7863dd5b026b215ca9c57a862608b
sha256
6cfb21222243518f0c16354fdd55f6528a6cf199d4b9624e1bd9fb13e66032d1
sha512
0755217eba86254fd5fff78c3bfb2b120ddcb5be4845c3371c06c25da0a2a53355f813e64f35f37aa6d9b882510985b293019876e8030e72e0ecb6486108b8ad
ripemd-160
b09b5c7aea1dcca4efe878de7b0777de7079a9e5
Diameter
162606416
Circumference
510843121.93217
Area
2.076659229891E+16
Volume
2.2511874308393E+24
Surface area
8.306636919564E+16
Circumference
510843121.93217
Perimeter
325212832
Area
6610211631091264
Diagonal
114980099.41804
Surface area
39661269786547584
Volume
5.3743141116663E+23
Space diagonal
140821287.07434
Perimeter
243909624
Area
2.8623055984582E+15
Altitude
70410643.53717
Surface area
2.8623055984582E+15
Volume
6.3336899209764E+22
Height
38326699.806014