123398984 is an even 9-digits composite number following 123398983
and preceding 123398985 . In scientific notation, it is written as 1.23398984 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 8 positive divisors.
There are 61699488 positive integers (up to 123398984) that are relatively prime to 123398984.
123398984 has 8 divisors, whose sum is 231373110
The reverse of 123398984 is 489893321
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-three million three hundred ninety-eight thousand nine hundred eighty-four
Scientific notation
1.23398984 × 10^8
Engineering notation
1.23398984 × 10^6
Prime Factorization
2 × 2 × 2 × 15424873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30849746
Product of the distinct prime numbers
The prime factorization of 123398984 is 2 × 2 × 2 × 15424873.
Since it has a total of 4 prime factors.
1 , 3 , 30 , 9 , 143 , 64 , 8090 , 1894 , 9392 , 21911 , 983621 , 364600 , 1525988 , 4027470 , 13438063 , 64481454 , 14032939 , 941619118 , 9479167126 , 8981701994
n×2
246797968
n×3
370196952
n×4
493595936
n×5
616994920
n÷2
61699492
n÷3
41132994.666667
n÷3
30849746
n÷5
24679796.8
n2
15227309252232256
n3
1.8790344907793E+24
n4
2.3187094706312E+32
n5
2.8612639286707E+40
2 √n
11108.509530986
3 √n
497.85613280499
4 √n
105.39691423844
5 √n
41.520475338015
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
-123398983
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 123398984 can be divided by 8 positive divisors.
The sum of these divisors (counting 123398984) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010110101110101101001000
3
Ternary
22121012022120202
4
Quaternary
13112232231020
5
Quinary
223042231414
6
Senary
20124511332
8
Octal
726565510
10
Decimal
123398984
12
Duodecimal
353ab548
16
Hexadecimal
75aeb48
20
Vigesimal
1ib4h94
36
Base36
21gv9k
md5
93ddf7bf8d8576cb21647c6b83d2fa0b
sha1
e3b421054342d9723f342338cdc7ce129e5333c9
sha256
f21f3b98e9b5f87c01a7c00446df925962522d4aad5a7412ac95db83dbf27119
sha512
c3a8d335cc10021d6148f6e04688025e237028295d6929d725f812abed8fb9a6af2910a19f11f99b657556b2c6015d8c7ba564173786f84fecbf4eaa57226e07
ripemd-160
a8b8f8d882d635666b2139fd6e5ed85ebf5f0ae8
Diameter
246797968
Circumference
775338683.18969
Area
4.7838002880753E+16
Volume
7.8708812694319E+24
Surface area
1.9135201152301E+17
Circumference
775338683.18969
Perimeter
493595936
Area
15227309252232256
Diagonal
174512516.75586
Surface area
91363855513393536
Volume
1.8790344907793E+24
Space diagonal
213733309.89038
Perimeter
370196952
Area
6.5936183218575E+15
Altitude
106866654.94519
Surface area
6.5936183218575E+15
Volume
2.214463384189E+23
Height
58170838.91862