123669985 is an odd 9-digits composite number following 123669984
and preceding 123669986 . In scientific notation, it is written as 1.23669985 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 93116160 positive integers (up to 123669985) that are relatively prime to 123669985.
123669985 has 8 divisors, whose sum is 157133736
The reverse of 123669985 is 589966321
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-three million six hundred sixty-nine thousand nine hundred eighty-five
Scientific notation
1.23669985 × 10^8
Engineering notation
1.23669985 × 10^6
Prime Factorization
5 × 17 × 1454941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
123669985
Product of the distinct prime numbers
The prime factorization of 123669985 is 5 × 17 × 1454941.
Since it has a total of 3 prime factors.
2 , 10 , 72 , 1 , 263 , 49 , 7569 , 2474 , 28054 , 82404 , 740619 , 623483 , 3721721 , 735629 , 98254918 , 34417555 , 229797790 , 291135233 , 6101780644 , 8433367086
n×2
247339970
n×3
371009955
n×4
494679940
n×5
618349925
n÷2
61834992.5
n÷3
41223328.333333
n÷3
30917496.25
n÷5
24733997
n2
15294265189900225
n3
1.891441546621E+24
n4
2.3391454769899E+32
n5
2.8928208605216E+40
2 √n
11120.700742309
3 √n
498.22031965805
4 √n
105.45473314323
5 √n
41.538696264196
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
-123669984
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 123669985 can be divided by 8 positive divisors.
The sum of these divisors (counting 123669985) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010111110000110111100001
3
Ternary
22121201002022211
4
Quaternary
13113300313201
5
Quinary
223124414420
6
Senary
20134402121
8
Octal
727606741
10
Decimal
123669985
12
Duodecimal
35500341
16
Hexadecimal
75f0de1
20
Vigesimal
1iciej5
36
Base36
21modd
md5
8f3df2d14863f28eeb7249145485331e
sha1
e0fbfbfe9fc35c638732908feed4eecd8587167a
sha256
d9d05cd864c338798c574fcc921fbdc9ea92b618dfb42b382cb92f05e6ffe841
sha512
85e18ed16cadf139c315147e9dbb78db9b3f21f95331d733664798ce8febd02500256bcc21da3bbbebcdf5fa62c6b4ab2d1a5219461a9cd9991d92b323e00df4
ripemd-160
c29881131885835836db4edeabe82e321ea2ea71
Diameter
247339970
Circumference
777041432.69112
Area
4.8048351162645E+16
Volume
7.922851823412E+24
Surface area
1.9219340465058E+17
Circumference
777041432.69112
Perimeter
494679940
Area
15294265189900225
Diagonal
174895770.04548
Surface area
91765591139401350
Volume
1.891441546621E+24
Space diagonal
214202697.39128
Perimeter
371009955
Area
6.6226110933348E+15
Altitude
107101348.69564
Surface area
6.6226110933348E+15
Volume
2.2290852397228E+23
Height
58298590.015159