81452012 is an even 8-digits composite number following 81452011
and preceding 81452013 . In scientific notation, it is written as 8.1452012 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 38445840 positive integers (up to 81452012) that are relatively prime to 81452012.
81452012 has 24 divisors, whose sum is 150575040
The reverse of 81452012 is 21025418
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million four hundred fifty-two thousand twelve
Scientific notation
8.1452012 × 10^7
Engineering notation
8.1452012 × 10^6
Prime Factorization
2 × 2 × 19 × 307 × 3491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40726006
Product of the distinct prime numbers
The prime factorization of 81452012 is 2 × 2 × 19 × 307 × 3491.
Since it has a total of 5 prime factors.
3 , 6 , 42 , 62 , 668 , 226 , 7746 , 425 , 32272 , 20754 , 801479 , 843049 , 8072788 , 2355229 , 24872026 , 61598352 , 440164341 , 753262630 , 4183160675 , 9037571019
n×2
162904024
n×3
244356036
n×4
325808048
n×5
407260060
n÷2
40726006
n÷3
27150670.666667
n÷3
20363003
n÷5
16290402.4
n2
6634430258848144
n3
5.4038769305686E+23
n4
4.401566485952E+31
n5
3.5851644623256E+39
2 √n
9025.0768417781
3 √n
433.47821086039
4 √n
95.00040442955
5 √n
38.210292595605
1 , 2 , 4 , 19 , 38 , 76 , 307 , 614 , 1228 , 3491 , 5833 , 6982 , 11666 , 13964 , 23332 , 66329 , 132658 , 265316 , 1071737 , 2143474 , 4286948 , 20363003 , 40726006 , 81452012
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
-81452011
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 81452012 can be divided by 24 positive divisors.
The sum of these divisors (counting 81452012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110101101101111101100
3
Ternary
12200021012011012
4
Quaternary
10312231233230
5
Quinary
131322431022
6
Senary
12025444352
8
Octal
466555754
10
Decimal
81452012
12
Duodecimal
233406b8
16
Hexadecimal
4dadbec
20
Vigesimal
1591a0c
36
Base36
1chsrw
md5
32ca2fc67c503e1bafb4a9a3264ec367
sha1
1827fd374384c60f2a6bd388901b84da79f4ac34
sha256
290eedcc349a0100d8e1dd2997ee1d0d00f2e74f7a861e44526a1d4dffe4b2a4
sha512
b7f4e5d8da8cd69ebbc602a0edbf1ded2d0732e3137b6f73834a965f7ef13505620bee51ed897bbfa26f34402d2f6baa300afeb05ce9b47230b45606a9aba266
ripemd-160
7d49861792de95d43edad4bc1fdc3703068848b4
Diameter
162904024
Circumference
511778085.03862
Area
2.0842677361951E+16
Volume
2.2635706754637E+24
Surface area
8.3370709447805E+16
Circumference
511778085.03862
Perimeter
325808048
Area
6634430258848144
Diagonal
115190540.05298
Surface area
39806581553088864
Volume
5.4038769305686E+23
Space diagonal
141079023.16271
Perimeter
244356036
Area
2.8727925718993E+15
Altitude
70539511.581355
Surface area
2.8727925718993E+15
Volume
6.368530037171E+22
Height
38396846.684325