123942009 is an odd 9-digits composite number following 123942008
and preceding 123942010 . In scientific notation, it is written as 1.23942009 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 78857856 positive integers (up to 123942009) that are relatively prime to 123942009.
123942009 has 16 divisors, whose sum is 172828800
The reverse of 123942009 is 900249321
Previous prime number is 3529
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-three million nine hundred forty-two thousand nine
Scientific notation
1.23942009 × 10^8
Engineering notation
1.23942009 × 10^6
Prime Factorization
3 × 23 × 3529 × 509
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
123942009
Product of the distinct prime numbers
The prime factorization of 123942009 is 3 × 23 × 3529 × 509.
Since it has a total of 4 prime factors.
6 , 2 , 46 , 81 , 457 , 318 , 4187 , 8012 , 30377 , 90251 , 721105 , 534125 , 1418954 , 5546375 , 16603540 , 99098499 , 844319793 , 727460579 , 7298408040 , 6213788874
n×2
247884018
n×3
371826027
n×4
495768036
n×5
619710045
n÷2
61971004.5
n÷3
41314003
n÷3
30985502.25
n÷5
24788401.8
n2
15361621594956081
n3
1.9039502419766E+24
n4
2.3597941802662E+32
n5
2.924776315287E+40
2 √n
11132.924548384
3 √n
498.58534661972
4 √n
105.51267482338
5 √n
41.556953877245
1 , 3 , 23 , 69 , 509 , 1527 , 3529 , 10587 , 11707 , 35121 , 81167 , 243501 , 1796261 , 5388783 , 41314003 , 123942009
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
-123942008
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 123942009 can be divided by 16 positive divisors.
The sum of these divisors (counting 123942009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000110011010001111001
3
Ternary
22122012220110210
4
Quaternary
13120303101321
5
Quinary
223212121014
6
Senary
20144301333
8
Octal
730632171
10
Decimal
123942009
12
Duodecimal
35611849
16
Hexadecimal
7633479
20
Vigesimal
1iecf09
36
Base36
21si9l
md5
a144238470e2c4ecf89bc099c83da351
sha1
14373c10b96ef6975dc2b8280c34416b15b0f6ec
sha256
3fa25bf591f79e4d543a6821d3c2b71705b7ba555d710890599e9a792bd73cc4
sha512
483535abbe16458955bd2232b7ecd4a791f1c60b72ecd0c7ee3cc5e5200117af88a54fec65072960f82fae6ced0a96bf284bedfd27b26b82811002c0983c271f
ripemd-160
d2a604be28556cbc15e4f86db280c9cb8e6857d4
Diameter
247884018
Circumference
778750609.89112
Area
4.825995754994E+16
Volume
7.9752481239924E+24
Surface area
1.9303983019976E+17
Circumference
778750609.89112
Perimeter
495768036
Area
15361621594956081
Diagonal
175280470.07557
Surface area
92169729569736486
Volume
1.9039502419766E+24
Space diagonal
214673856.78016
Perimeter
371826027
Area
6.6517772722778E+15
Altitude
107336928.39008
Surface area
6.6517772722778E+15
Volume
2.2438268785724E+23
Height
58426823.358523