81008037 is an odd 8-digits composite number following 81008036
and preceding 81008038 . In scientific notation, it is written as 8.1008037 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 48638880 positive integers (up to 81008037) that are relatively prime to 81008037.
81008037 has 16 divisors, whose sum is 99105600
The reverse of 81008037 is 73080018
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million eight thousand thirty-seven
Scientific notation
8.1008037 × 10^7
Engineering notation
8.1008037 × 10^6
Prime Factorization
9 × 11 × 109 × 7507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81008037
Product of the distinct prime numbers
The prime factorization of 81008037 is 9 × 11 × 109 × 7507.
Since it has a total of 4 prime factors.
2 , 5 , 96 , 81 , 758 , 415 , 1253 , 6419 , 44943 , 2212 , 451203 , 101373 , 1620522 , 8392717 , 33980673 , 61770168 , 207829729 , 972870366 , 1674948877 , 4122348239
n×2
162016074
n×3
243024111
n×4
324032148
n×5
405040185
n÷2
40504018.5
n÷3
27002679
n÷3
20252009.25
n÷5
16201607.4
n2
6562302058593369
n3
5.3159920796771E+23
n4
4.3063808308219E+31
n5
3.4885145767931E+39
2 √n
9000.4464889249
3 √n
432.68918093968
4 √n
94.870682979121
5 √n
38.168546484693
1 , 9 , 11 , 99 , 109 , 981 , 1199 , 7507 , 10791 , 67563 , 82577 , 743193 , 818263 , 7364367 , 9000893 , 81008037
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
-81008036
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 81008037 can be divided by 16 positive divisors.
The sum of these divisors (counting 81008037) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101000001010110100101
3
Ternary
12122102122010200
4
Quaternary
10311001112211
5
Quinary
131214224122
6
Senary
12012141113
8
Octal
465012645
10
Decimal
81008037
12
Duodecimal
23167799
16
Hexadecimal
4d415a5
20
Vigesimal
156601h
36
Base36
1c8a79
md5
1b8f009a2358fd528543ffae9ea777f4
sha1
837e8f53a752ff09c1035c639ab63b2c9349ceb8
sha256
7231a1519f1d9e4eb4c4fc9e8e05be04d14c6d48888cb4381056a87df924a4cd
sha512
44ec30233b63830d367da5d9575fc43c49247ea5d8df9e742a12529cb370d45d3acf37cec9daa827521872a204d3917b513c509eb339dc213b7fc842af03c642
ripemd-160
c9a3ca239641e621d35262aeb627c36e2651abe4
Diameter
162016074
Circumference
508988507.84186
Area
2.0616079937914E+16
Volume
2.2267575552073E+24
Surface area
8.2464319751656E+16
Circumference
508988507.84186
Perimeter
324032148
Area
6562302058593369
Diagonal
114562664.58662
Surface area
39373812351560214
Volume
5.3159920796771E+23
Space diagonal
140310035.90542
Perimeter
243024111
Area
2.8415601450244E+15
Altitude
70155017.95271
Surface area
2.8415601450244E+15
Volume
6.2649567471227E+22
Height
38187554.862207