81589849 is an odd 8-digits composite number following 81589848
and preceding 81589850 . In scientific notation, it is written as 8.1589849 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 74172580 positive integers (up to 81589849) that are relatively prime to 81589849.
81589849 has 4 divisors, whose sum is 89007120
The reverse of 81589849 is 94898518
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighty-one million five hundred eighty-nine thousand eight hundred forty-nine
Scientific notation
8.1589849 × 10^7
Engineering notation
8.1589849 × 10^6
Prime Factorization
11 × 7417259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81589849
Product of the distinct prime numbers
The prime factorization of 81589849 is 11 × 7417259.
Since it has a total of 2 prime factors.
6 , 5 , 81 , 66 , 418 , 92 , 6940 , 8741 , 64337 , 26224 , 355670 , 296091 , 8239009 , 2117036 , 95824437 , 48918569 , 130031394 , 347418868 , 1370738352 , 6952888302
n×2
163179698
n×3
244769547
n×4
326359396
n×5
407949245
n÷2
40794924.5
n÷3
27196616.333333
n÷3
20397462.25
n÷5
16317969.8
n2
6656903459842801
n3
5.4313574809615E+23
n4
4.4314363673667E+31
n5
3.6156022406656E+39
2 √n
9032.7099477399
3 √n
433.72259059913
4 √n
95.040570009549
5 √n
38.22321610848
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
-81589848
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 81589849 can be divided by 4 positive divisors.
The sum of these divisors (counting 81589849) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111001111011001011001
3
Ternary
12200112012020021
4
Quaternary
10313033121121
5
Quinary
131341333344
6
Senary
12032430441
8
Octal
467173131
10
Decimal
81589849
12
Duodecimal
233a8421
16
Hexadecimal
4dcf659
20
Vigesimal
159iec9
36
Base36
1ckr4p
md5
90366b3aebac33ee33e0d1298ea35b8a
sha1
0c7abe98dabac03e7844bb31d96fe681f55066c5
sha256
adb4138d482404f5279bd06a130a61e8b598d2cd8f0352221119d87a49bf40b7
sha512
20b6805421cee110241c26dcac85e6289ece81806e2d150e099aa9e96a32d3dc8c7724207a1af9b73a1b43a6b9fb2bbedc38b231a57a90d5bad2d359ae0242f7
ripemd-160
30a2eeb824b4726960df6260c76ff674eb7beead
Diameter
163179698
Circumference
512644140.4518
Area
2.0913279005099E+16
Volume
2.2750817014945E+24
Surface area
8.3653116020394E+16
Circumference
512644140.4518
Perimeter
326359396
Area
6656903459842801
Diagonal
115385471.00777
Surface area
39941420759056806
Volume
5.4313574809615E+23
Space diagonal
141317763.84987
Perimeter
244769547
Area
2.8825237533822E+15
Altitude
70658881.924936
Surface area
2.8825237533822E+15
Volume
6.4009161763936E+22
Height
38461823.669258