81502012 is an even 8-digits composite number following 81502011
and preceding 81502013 . In scientific notation, it is written as 8.1502012 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors.
There are 38118912 positive integers (up to 81502012) that are relatively prime to 81502012.
81502012 has 24 divisors, whose sum is 151943904
The reverse of 81502012 is 21020518
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
eighty-one million five hundred two thousand twelve
Scientific notation
8.1502012 × 10^7
Engineering notation
8.1502012 × 10^6
Prime Factorization
2 × 2 × 17 × 167 × 7177
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40751006
Product of the distinct prime numbers
The prime factorization of 81502012 is 2 × 2 × 17 × 167 × 7177.
Since it has a total of 5 prime factors.
6 , 6 , 90 , 22 , 389 , 817 , 3798 , 6838 , 24711 , 70979 , 939418 , 307873 , 9663785 , 3074890 , 31233627 , 59782978 , 527565662 , 22990817 , 2134316466 , 9871627650
n×2
163004024
n×3
244506036
n×4
326008048
n×5
407510060
n÷2
40751006
n÷3
27167337.333333
n÷3
20375503
n÷5
16300402.4
n2
6642577960048144
n3
5.4138346861078E+23
n4
4.4123841955317E+31
n5
3.5961818965284E+39
2 √n
9027.8464763198
3 √n
433.56689079441
4 √n
95.014980273217
5 √n
38.214982585801
1 , 2 , 4 , 17 , 34 , 68 , 167 , 334 , 668 , 2839 , 5678 , 7177 , 11356 , 14354 , 28708 , 122009 , 244018 , 488036 , 1198559 , 2397118 , 4794236 , 20375503 , 40751006 , 81502012
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
-81502011
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 81502012 can be divided by 24 positive divisors.
The sum of these divisors (counting 81502012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110111001111100111100
3
Ternary
12200100201202001
4
Quaternary
10312321330330
5
Quinary
131331031022
6
Senary
12030512044
8
Octal
466717474
10
Decimal
81502012
12
Duodecimal
23365624
16
Hexadecimal
4db9f3c
20
Vigesimal
1597f0c
36
Base36
1civcs
md5
6692a15ba3d423a7f65ca81bff430a03
sha1
652d3f10e0a60eb5e640416a01e72dbe880906ce
sha256
043b7a2f98e4ffba1daba72d1cb8ebdcdc01851cef150d3dec43a9d8fefd2dbf
sha512
af765632559965e7bf3d41652b91c929ea560197cca0ef16f2495ae8a3a39297d1f1229bbad145656d1dfac3efb7f83b5d0ac6313201ff0dafff2fa45e0c0d3d
ripemd-160
c195b375f8d9c7406deeb7dc22bb83de213146f6
Diameter
163004024
Circumference
512092244.30397
Area
2.0868274120185E+16
Volume
2.2677417703501E+24
Surface area
8.3473096480739E+16
Circumference
512092244.30397
Perimeter
326008048
Area
6642577960048144
Diagonal
115261250.73109
Surface area
39855467760288864
Volume
5.4138346861078E+23
Space diagonal
141165625.70309
Perimeter
244506036
Area
2.8763206300102E+15
Altitude
70582812.851544
Surface area
2.8763206300102E+15
Volume
6.3802653646163E+22
Height
38420416.910365