81854773 is an odd 8-digits composite number following 81854772
and preceding 81854774 . In scientific notation, it is written as 8.1854773 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 58875840 positive integers (up to 81854773) that are relatively prime to 81854773.
81854773 has 16 divisors, whose sum is 109904256
The reverse of 81854773 is 37745818
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-one million eight hundred fifty-four thousand seven hundred seventy-three
Scientific notation
8.1854773 × 10^7
Engineering notation
8.1854773 × 10^6
Prime Factorization
11 × 7 × 13 × 81773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81854773
Product of the distinct prime numbers
The prime factorization of 81854773 is 11 × 7 × 13 × 81773.
Since it has a total of 4 prime factors.
6 , 7 , 62 , 61 , 925 , 845 , 7117 , 9294 , 54279 , 79998 , 314578 , 200947 , 1674322 , 5765745 , 97623806 , 68724443 , 24157156 , 119416433 , 9743859867 , 6704131216
n×2
163709546
n×3
245564319
n×4
327419092
n×5
409273865
n÷2
40927386.5
n÷3
27284924.333333
n÷3
20463693.25
n÷5
16370954.6
n2
6700203862881529
n3
5.4844366624989E+23
n4
4.4892731804173E+31
n5
3.6746843711804E+39
2 √n
9047.3627649166
3 √n
434.19151896099
4 √n
95.117625942391
5 √n
38.248006253175
1 , 7 , 11 , 13 , 77 , 91 , 143 , 1001 , 81773 , 572411 , 899503 , 1063049 , 6296521 , 7441343 , 11693539 , 81854773
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
-81854772
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 81854773 can be divided by 16 positive divisors.
The sum of these divisors (counting 81854773) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000010000000100110101
3
Ternary
12201000122122021
4
Quaternary
10320100010311
5
Quinary
131423323043
6
Senary
12042233141
8
Octal
470200465
10
Decimal
81854773
12
Duodecimal
234b57b1
16
Hexadecimal
4e10135
20
Vigesimal
15bbgid
36
Base36
1cqfjp
md5
2398b98e5c201b42309f8952530d70b1
sha1
2e9fffef87b4db1d31a0977c5d898b71ce485f95
sha256
8b9f2261f285cf29903c106d84401def8ecbbe88e1bef587a77c5270569b0e7e
sha512
2f87f7c97f079ecfd57f191e34180c16199e7959d728772e87ef7bb5598206b3a2d983b7d60f808d5d77754e978de927604043d2b289fec1c98ef06fe2308fe6
ripemd-160
51fda92e7b15d464cbdc9bdd5b5879ba3e7e3f97
Diameter
163709546
Circumference
514308707.03612
Area
2.1049311233183E+16
Volume
2.2973154570647E+24
Surface area
8.419724493273E+16
Circumference
514308707.03612
Perimeter
327419092
Area
6700203862881529
Diagonal
115760130.12157
Surface area
40201223177289174
Volume
5.4844366624989E+23
Space diagonal
141776625.67802
Perimeter
245564319
Area
2.901273377895E+15
Altitude
70888312.839009
Surface area
2.901273377895E+15
Volume
6.4634705917352E+22
Height
38586710.040524