81502011 is an odd 8-digits composite number following 81502010
and preceding 81502012 . In scientific notation, it is written as 8.1502011 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 8 positive divisors.
There are 54334656 positive integers (up to 81502011) that are relatively prime to 81502011.
81502011 has 8 divisors, whose sum is 120743760
The reverse of 81502011 is 11020518
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
eighty-one million five hundred two thousand eleven
Scientific notation
8.1502011 × 10^7
Engineering notation
8.1502011 × 10^6
Prime Factorization
3 × 3 × 3 × 3018593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9055779
Product of the distinct prime numbers
The prime factorization of 81502011 is 3 × 3 × 3 × 3018593.
Since it has a total of 4 prime factors.
1 , 8 , 86 , 1 , 646 , 345 , 8650 , 3347 , 76912 , 49539 , 430621 , 582760 , 6688198 , 456609 , 9022398 , 21409248 , 773181773 , 508406887 , 95758391 , 9681157310
n×2
163004022
n×3
244506033
n×4
326008044
n×5
407510055
n÷2
40751005.5
n÷3
27167337
n÷3
20375502.75
n÷5
16300402.2
n2
6642577797044121
n3
5.4138344868305E+23
n4
4.4123839789784E+31
n5
3.5961816759092E+39
2 √n
9027.8464209356
3 √n
433.56688902118
4 √n
95.014979981767
5 √n
38.214982492024
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81502010
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81502011 can be divided by 8 positive divisors.
The sum of these divisors (counting 81502011) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110111001111100111011
3
Ternary
12200100201202000
4
Quaternary
10312321330323
5
Quinary
131331031021
6
Senary
12030512043
8
Octal
466717473
10
Decimal
81502011
12
Duodecimal
23365623
16
Hexadecimal
4db9f3b
20
Vigesimal
1597f0b
36
Base36
1civcr
md5
3ef0d8c7f8b11083919b1450710e985d
sha1
ab973a0124c7b64902b7162c6e9c235744e36995
sha256
68a1183ea6b667fa8e15e9e8585dfbf8c20707f9f6788e4b0c5fbfd39aff4383
sha512
0694fb27130695b858c515e2a6bfc3cc6127ffb51e019783087401eb15b55c7587b82dbef811ceeb609709bf4d579adfbec8e5337ae51ea1df5bca57659045a9
ripemd-160
831c4fa1f44fd280991039256e617cbac80de321
Diameter
163004022
Circumference
512092238.02079
Area
2.0868273608092E+16
Volume
2.267741686877E+24
Surface area
8.347309443237E+16
Circumference
512092238.02079
Perimeter
326008044
Area
6642577797044121
Diagonal
115261249.31688
Surface area
39855466782264726
Volume
5.4138344868305E+23
Space diagonal
141165623.97104
Perimeter
244506033
Area
2.8763205594273E+15
Altitude
70582811.985519
Surface area
2.8763205594273E+15
Volume
6.3802651297657E+22
Height
38420416.43896