123912 is an even 6-digits composite number following 123911
and preceding 123913 . In scientific notation, it is written as 1.23912 × 10^5.
The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors.
There are 41280 positive integers (up to 123912) that are relatively prime to 123912.
123912 has 16 divisors, whose sum is 258300
The reverse of 123912 is 219321
Previous prime number is 9
Is Prime? no
Number parity even
Number length 6
Sum of Digits 18
Digital Root 9
Name
one hundred twenty-three thousand nine hundred twelve
Scientific notation
1.23912 × 10^5
Engineering notation
1.23912 × 10^3
Prime Factorization
2 × 2 × 2 × 9 × 1721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30978
Product of the distinct prime numbers
The prime factorization of 123912 is 2 × 2 × 2 × 9 × 1721.
Since it has a total of 5 prime factors.
5 , 5 , 64 , 55 , 405 , 646 , 1587 , 9560 , 45123 , 81369 , 875815 , 534828 , 3611063 , 4959018 , 11471394 , 28833426 , 494970695 , 61061435 , 520956535 , 6898257108
n×2
247824
n×3
371736
n×4
495648
n×5
619560
n÷2
61956
n÷3
41304
n÷3
30978
n÷5
24782.4
n2
15354183744
n3
1902567616086528
n4
2.3575095844451E+20
n5
2.9212372762777E+25
2 √n
352.01136345294
3 √n
49.854510399471
4 √n
18.761965873888
5 √n
10.438129325787
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 1721 , 3442 , 6884 , 13768 , 15489 , 30978 , 61956 , 123912
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
-123911
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 123912 can be divided by 16 positive divisors.
The sum of these divisors (counting 123912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110010000001000
3
Ternary
20021222100
4
Quaternary
132100020
5
Quinary
12431122
6
Senary
2353400
8
Octal
362010
10
Decimal
123912
12
Duodecimal
5b860
16
Hexadecimal
1e408
20
Vigesimal
f9fc
36
Base36
2nm0
md5
ea8ba783d1f874bce5c7e075563e9070
sha1
07fe662123f5576f924b7d50bb01d0e5e31229b5
sha256
9346c050afcdfff4f3bed9766e4dac2a4459728f10640bbe8b7381e7729ac2c2
sha512
d53186f90860748e4557e90f27baa56909186f517b3f3fbef514a7936f73fa6cfb90a74df040b2585bb4e81cbdb41eab9d8648cef9d711b7037175937bb5bd06
ripemd-160
ee9dd9506fb70adb58c7b8e7dae604df5d929db5
Diameter
247824
Circumference
778562.05778324
Area
48236590852.018
Volume
7.969456594207E+15
Surface area
192946363408.07
Circumference
778562.05778324
Perimeter
495648
Area
15354183744
Diagonal
175238.03094077
Surface area
92125102464
Volume
1902567616086528
Space diagonal
214621.87966747
Perimeter
371736
Area
6648556588.339
Altitude
107310.93983374
Surface area
6648556588.339
Volume
2.2421974383345E+14
Height
58412.676980258