81743485 is an odd 8-digits composite number following 81743484
and preceding 81743486 . In scientific notation, it is written as 8.1743485 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 65394784 positive integers (up to 81743485) that are relatively prime to 81743485.
81743485 has 4 divisors, whose sum is 98092188
The reverse of 81743485 is 58434718
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million seven hundred forty-three thousand four hundred eighty-five
Scientific notation
8.1743485 × 10^7
Engineering notation
8.1743485 × 10^6
Prime Factorization
5 × 16348697
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81743485
Product of the distinct prime numbers
The prime factorization of 81743485 is 5 × 16348697.
Since it has a total of 2 prime factors.
1 , 7 , 89 , 73 , 261 , 329 , 2931 , 3694 , 84581 , 86011 , 516409 , 45183 , 9955662 , 759449 , 56712290 , 40026117 , 618351356 , 315703167 , 3973677806 , 1837958178
n×2
163486970
n×3
245230455
n×4
326973940
n×5
408717425
n÷2
40871742.5
n÷3
27247828.333333
n÷3
20435871.25
n÷5
16348697
n2
6681997339945225
n3
5.4620974932785E+23
n4
4.4649088451035E+31
n5
3.6497720920609E+39
2 √n
9041.210372511
3 √n
433.99465721441
4 √n
95.085279473276
5 √n
38.237600358207
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81743484
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81743485 can be divided by 4 positive divisors.
The sum of these divisors (counting 81743485) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111110100111001111101
3
Ternary
12200210222222111
4
Quaternary
10313310321331
5
Quinary
131411242420
6
Senary
12040014021
8
Octal
467647175
10
Decimal
81743485
12
Duodecimal
23461311
16
Hexadecimal
4df4e7d
20
Vigesimal
15ahie5
36
Base36
1co1od
md5
90942fc3aaf21002c4e8647eafb970c1
sha1
18bc472ab73bb4a7112e8085b73e7dba0a0fcdad
sha256
9a5510569d3e3e5da096a3db7531f21780601807c074c6810ebbc5d9b700e2d7
sha512
fd05abac21b6078d715f51431a49d5ee56707ebce9fb6a3bc706d0f16ecb3aff478f684951d8fb7017c997c182cdcf32236262df827275afdda0a97e3d8298ac
ripemd-160
b1550ed6b6d14efa9b78352445f6069b8ccdadd4
Diameter
163486970
Circumference
513609463.90965
Area
2.0992113754478E+16
Volume
2.2879580477433E+24
Surface area
8.3968455017914E+16
Circumference
513609463.90965
Perimeter
326973940
Area
6681997339945225
Diagonal
115602745.12264
Surface area
40091984039671350
Volume
5.4620974932785E+23
Space diagonal
141583869.20774
Perimeter
245230455
Area
2.8933897222063E+15
Altitude
70791934.603872
Surface area
2.8933897222063E+15
Volume
6.4371436283321E+22
Height
38534248.374214