123742 is an even 6-digits composite number following 123741
and preceding 123743 . In scientific notation, it is written as 1.23742 × 10^5.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 61870 positive integers (up to 123742) that are relatively prime to 123742.
123742 has 4 divisors, whose sum is 185616
The reverse of 123742 is 247321
Previous prime number is 2
Is Prime? no
Number parity even
Number length 6
Sum of Digits 19
Digital Root 1
Name
one hundred twenty-three thousand seven hundred forty-two
Scientific notation
1.23742 × 10^5
Engineering notation
1.23742 × 10^3
Prime Factorization
2 × 61871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
123742
Product of the distinct prime numbers
The prime factorization of 123742 is 2 × 61871.
Since it has a total of 2 prime factors.
1 , 2 , 35 , 49 , 390 , 716 , 3157 , 2257 , 9546 , 26178 , 987515 , 990147 , 9315799 , 7359023 , 67995730 , 35210493 , 930262003 , 821149795 , 9993199444 , 5115702823
n×2
247484
n×3
371226
n×4
494968
n×5
618710
n÷2
61871
n÷3
41247.333333333
n÷3
30935.5
n÷5
24748.4
n2
15312082564
n3
1894747720634488
n4
2.3445987244675E+20
n5
2.9012533536306E+25
2 √n
351.76981109811
3 √n
49.83170080992
4 √n
18.755527481202
5 √n
10.435263652435
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-123741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 123742 can be divided by 4 positive divisors.
The sum of these divisors (counting 123742) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110001101011110
3
Ternary
20021202001
4
Quaternary
132031132
5
Quinary
12424432
6
Senary
2352514
8
Octal
361536
10
Decimal
123742
12
Duodecimal
5b73a
16
Hexadecimal
1e35e
20
Vigesimal
f972
36
Base36
2nha
md5
ec0556250f2d434da6d88157bd6ddd9e
sha1
bf8586484ce4337c56879c58dd158b93277ba254
sha256
6d1b173e87b738f5e31a68490c6c6573a3ff62ec62055a1a2dd62b74c2f170e8
sha512
de62598a65cdf6a578ad57fab5de5dc9b1f2db201506a8d4b1f7c8ec50b316d5f25bbc75fd4622c5a8f36130e1338dec57561501c28f7c5a9b23097586e36595
ripemd-160
3e0ef29c1ba917aac622b1ed94ae0c8c31bf0f4e
Diameter
247484
Circumference
777493.91628102
Area
48104326094.223
Volume
7.9367006927351E+15
Surface area
192417304376.89
Circumference
777493.91628102
Perimeter
494968
Area
15312082564
Diagonal
174997.61463517
Surface area
91872495384
Volume
1894747720634488
Space diagonal
214327.43103019
Perimeter
371226
Area
6630326242.6344
Altitude
107163.71551509
Surface area
6630326242.6344
Volume
2.232981603164E+14
Height
58332.538211724