123742805 is an odd 9-digits composite number following 123742804
and preceding 123742806 . In scientific notation, it is written as 1.23742805 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 98568448 positive integers (up to 123742805) that are relatively prime to 123742805.
123742805 has 8 divisors, whose sum is 149130072
The reverse of 123742805 is 508247321
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-three million seven hundred forty-two thousand eight hundred five
Scientific notation
1.23742805 × 10^8
Engineering notation
1.23742805 × 10^6
Prime Factorization
5 × 233 × 106217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
123742805
Product of the distinct prime numbers
The prime factorization of 123742805 is 5 × 233 × 106217.
Since it has a total of 3 prime factors.
4 , 2 , 9 , 16 , 61 , 854 , 6891 , 2264 , 35632 , 13021 , 528955 , 784463 , 2072300 , 3245263 , 76702944 , 82873604 , 944728654 , 45939522 , 4375549757 , 4892007576
n×2
247485610
n×3
371228415
n×4
494971220
n×5
618714025
n÷2
61871402.5
n÷3
41247601.666667
n÷3
30935701.25
n÷5
24748561
n2
15312281789268025
n3
1.8947846995544E+24
n4
2.3446597359395E+32
n5
2.9013477249571E+40
2 √n
11123.974334742
3 √n
498.31808869249
4 √n
105.47025331695
5 √n
41.543586918417
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-123742804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 123742805 can be divided by 8 positive divisors.
The sum of these divisors (counting 123742805) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000000010101001010101
3
Ternary
22121211210012212
4
Quaternary
13120002221111
5
Quinary
223134232210
6
Senary
20140123205
8
Octal
730025125
10
Decimal
123742805
12
Duodecimal
35536505
16
Hexadecimal
7602a55
20
Vigesimal
1id7h05
36
Base36
21o8k5
md5
38d49bc5f733e0ff77b80785e3197a08
sha1
2ddd41709d1dc7ae13e977830222226f60d2e007
sha256
155d1f2236c9e52c5d4ab06c1a77cdab650b9ff4aab4edf3f917903b370c6799
sha512
0557f3f9aa0fcb136af1d49c90f5f72f6e7972e687abf3e592c72d4b8484e5409a371c97f05a64acbb7b52f7097f5ed22cecd4f192a3655e0461508902d439c6
ripemd-160
159d57eef99a1115e92134411912776ceaa50d26
Diameter
247485610
Circumference
777498974.24519
Area
4.8104951978861E+16
Volume
7.9368555896728E+24
Surface area
1.9241980791544E+17
Circumference
777498974.24519
Perimeter
494971220
Area
15312281789268025
Diagonal
174998753.07709
Surface area
91873690735608150
Volume
1.8947846995544E+24
Space diagonal
214328825.33109
Perimeter
371228415
Area
6.630412509706E+15
Altitude
107164412.66554
Surface area
6.630412509706E+15
Volume
2.2330251832391E+23
Height
58332917.692363