81105004 is an even 8-digits composite number following 81105003
and preceding 81105005 . In scientific notation, it is written as 8.1105004 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors.
There are 39817680 positive integers (up to 81105004) that are relatively prime to 81105004.
81105004 has 24 divisors, whose sum is 144523008
The reverse of 81105004 is 40050118
Previous prime number is 823
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
eighty-one million one hundred five thousand four
Scientific notation
8.1105004 × 10^7
Engineering notation
8.1105004 × 10^6
Prime Factorization
2 × 2 × 71 × 823 × 347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40552502
Product of the distinct prime numbers
The prime factorization of 81105004 is 2 × 2 × 71 × 823 × 347.
Since it has a total of 5 prime factors.
7 , 7 , 17 , 60 , 221 , 165 , 980 , 3653 , 97877 , 38073 , 585633 , 75121 , 5866190 , 7559096 , 60602538 , 67533011 , 349883959 , 49335492 , 3325652883 , 9315237945
n×2
162210008
n×3
243315012
n×4
324420016
n×5
405525020
n÷2
40552502
n÷3
27035001.333333
n÷3
20276251
n÷5
16221000.8
n2
6578021673840016
n3
5.3351047416888E+23
n4
4.3270369141509E+31
n5
3.5094434623036E+39
2 √n
9005.8316662038
3 √n
432.86175575961
4 √n
94.899060407382
5 √n
38.177679698549
1 , 2 , 4 , 71 , 142 , 284 , 347 , 694 , 823 , 1388 , 1646 , 3292 , 24637 , 49274 , 58433 , 98548 , 116866 , 233732 , 285581 , 571162 , 1142324 , 20276251 , 40552502 , 81105004
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
-81105003
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 81105004 can be divided by 24 positive divisors.
The sum of these divisors (counting 81105004) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101011001000001101100
3
Ternary
12122121120011001
4
Quaternary
10311121001230
5
Quinary
131230330004
6
Senary
12014210044
8
Octal
465310154
10
Decimal
81105004
12
Duodecimal
231b3924
16
Hexadecimal
4d5906c
20
Vigesimal
156i2a4
36
Base36
1cad0s
md5
2d28ee480a5b58c3ff41b1a426dc934e
sha1
527c794fed65e63a6bb7375b6e11e19fd0cbf46e
sha256
876e2bf556740869feb56f2a769ffd8fcea94daf012da514b02726fa3432a545
sha512
1d0ea51033b6d6d9dcfbc970fdf937f002b37af5f1ee8ad2cea72603d37db0b1089d1952cce56a332702de6ade4db5a154b679f700af0e43c271e14da87c7f9f
ripemd-160
a365bb5450a54ede7377711e55e25de3cc114a96
Diameter
162210008
Circumference
509597769.47154
Area
2.066546456569E+16
Volume
2.2347634483496E+24
Surface area
8.2661858262761E+16
Circumference
509597769.47154
Perimeter
324420016
Area
6578021673840016
Diagonal
114699796.63312
Surface area
39468130043040096
Volume
5.3351047416888E+23
Space diagonal
140477987.67608
Perimeter
243315012
Area
2.848366938095E+15
Altitude
70238993.838039
Surface area
2.848366938095E+15
Volume
6.2874812353144E+22
Height
38233265.544375