81650650 is an even 8-digits composite number following 81650649
and preceding 81650651 . In scientific notation, it is written as 8.1650650 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 32578560 positive integers (up to 81650650) that are relatively prime to 81650650.
81650650 has 24 divisors, whose sum is 152250300
The reverse of 81650650 is 05605618
Previous prime number is 449
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million six hundred fifty thousand six hundred fifty
Scientific notation
8.1650650 × 10^7
Engineering notation
8.1650650 × 10^6
Prime Factorization
2 × 5 × 5 × 449 × 3637
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16330130
Product of the distinct prime numbers
The prime factorization of 81650650 is 2 × 5 × 5 × 449 × 3637.
Since it has a total of 5 prime factors.
5 , 9 , 94 , 33 , 951 , 420 , 3546 , 8274 , 83819 , 40956 , 109598 , 670812 , 5783489 , 7697963 , 57634341 , 24126971 , 792265747 , 571544921 , 5170170788 , 6310380339
n×2
163301300
n×3
244951950
n×4
326602600
n×5
408253250
n÷2
40825325
n÷3
27216883.333333
n÷3
20412662.5
n÷5
16330130
n2
6666828645422500
n3
5.4435089233737E+23
n4
4.4446604187426E+31
n5
3.6290941221961E+39
2 √n
9036.0749222215
3 √n
433.83030097299
4 √n
95.058271193103
5 √n
38.228911222167
1 , 2 , 5 , 10 , 25 , 50 , 449 , 898 , 2245 , 3637 , 4490 , 7274 , 11225 , 18185 , 22450 , 36370 , 90925 , 181850 , 1633013 , 3266026 , 8165065 , 16330130 , 40825325 , 81650650
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81650649
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81650650 can be divided by 24 positive divisors.
The sum of these divisors (counting 81650650) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111011110001111011010
3
Ternary
12200122021122011
4
Quaternary
10313132033122
5
Quinary
131400310100
6
Senary
12034020134
8
Octal
467361732
10
Decimal
81650650
12
Duodecimal
2341764a
16
Hexadecimal
4dde3da
20
Vigesimal
15a66ca
36
Base36
1cm21m
md5
7a880e9a85da9092c54dde07527a00a3
sha1
03615321483fec019324a8fd1df7e34fb5181d68
sha256
72ad88f65fc821e1819dd660f1c5679b5e631ef51d120bf899e0c823242fd6ed
sha512
0ab863f44d08d3958c966a994d6daa249d44f2c96de280c3a6c3c0d727f576eef6f120c4558a6d3ed18b51f3d4bdfe1c996f0a83d037ab6ffbe2ad1c23c4c998
ripemd-160
37bf6fb36190de8337f764f6022ff96db76abebe
Diameter
163301300
Circumference
513026164.40166
Area
2.0944459895201E+16
Volume
2.2801716857895E+24
Surface area
8.3777839580805E+16
Circumference
513026164.40166
Perimeter
326602600
Area
6666828645422500
Diagonal
115471456.60658
Surface area
40000971872535000
Volume
5.4435089233737E+23
Space diagonal
141423074.27102
Perimeter
244951950
Area
2.8868214848068E+15
Altitude
70711537.135512
Surface area
2.8868214848068E+15
Volume
6.4152367886117E+22
Height
38490485.535526