81301650 is an even 8-digits composite number following 81301649
and preceding 81301651 . In scientific notation, it is written as 8.1301650 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 20404480 positive integers (up to 81301650) that are relatively prime to 81301650.
81301650 has 32 divisors, whose sum is 197425728
The reverse of 81301650 is 05610318
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million three hundred one thousand six hundred fifty
Scientific notation
8.1301650 × 10^7
Engineering notation
8.1301650 × 10^6
Prime Factorization
2 × 3 × 85 × 5 × 31883
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81301650
Product of the distinct prime numbers
The prime factorization of 81301650 is 2 × 3 × 85 × 5 × 31883.
Since it has a total of 5 prime factors.
3 , 9 , 36 , 36 , 845 , 677 , 7719 , 6872 , 24098 , 42681 , 353144 , 603841 , 1511631 , 8878411 , 14041321 , 47147013 , 666107606 , 409439218 , 7248932019 , 7371921700
n×2
162603300
n×3
243904950
n×4
325206600
n×5
406508250
n÷2
40650825
n÷3
27100550
n÷3
20325412.5
n÷5
16260330
n2
6609958292722500
n3
5.3740051562952E+23
n4
4.3691548631531E+31
n5
3.5521949947987E+39
2 √n
9016.7427599993
3 √n
433.21131015267
4 √n
94.956530897034
5 √n
38.196174778232
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 85 , 170 , 255 , 425 , 510 , 850 , 1275 , 2550 , 31883 , 63766 , 95649 , 159415 , 191298 , 318830 , 478245 , 956490 , 2710055 , 5420110 , 8130165 , 13550275 , 16260330 , 27100550 , 40650825 , 81301650
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81301649
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81301650 can be divided by 32 positive divisors.
The sum of these divisors (counting 81301650) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110001001000010010010
3
Ternary
12122222112220020
4
Quaternary
10312021002102
5
Quinary
131303123100
6
Senary
12022324310
8
Octal
466110222
10
Decimal
81301650
12
Duodecimal
23289696
16
Hexadecimal
4d89092
20
Vigesimal
1582e2a
36
Base36
1cekr6
md5
419c9c82b52d543a97018084491ceed2
sha1
0dd29e57985cefbf91b4c0a4e1052ccd3a83a515
sha256
14bab950e07cc5ae3f62ae595f135849005e022b66c9b33e127880de6174f56f
sha512
b27e9c0f9b655388ea113e56eb49794e401f1a9a61b169cd52678182543bee498a0d7b0ea1435b8703b837d70b9856562ae6a1769cf0b0c54e90da42f259ffdc
ripemd-160
e53e5afb2dad6ac8fb7e93bb61a4b89a9d28c0c0
Diameter
162603300
Circumference
510833332.72946
Area
2.0765796412952E+16
Volume
2.2510580159161E+24
Surface area
8.3063185651808E+16
Circumference
510833332.72946
Perimeter
325206600
Area
6609958292722500
Diagonal
114977896.07331
Surface area
39659749756335000
Volume
5.3740051562952E+23
Space diagonal
140818588.53918
Perimeter
243904950
Area
2.8621958997267E+15
Altitude
70409294.269591
Surface area
2.8621958997267E+15
Volume
6.3333258135797E+22
Height
38325965.35777