123456138 is an even 9-digits composite number following 123456137
and preceding 123456139 . In scientific notation, it is written as 1.23456138 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 37608000 positive integers (up to 123456138) that are relatively prime to 123456138.
123456138 has 32 divisors, whose sum is 268555392
The reverse of 123456138 is 831654321
Previous prime number is 101
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-three million four hundred fifty-six thousand one hundred thirty-eight
Scientific notation
1.23456138 × 10^8
Engineering notation
1.23456138 × 10^6
Prime Factorization
2 × 3 × 13 × 101 × 15671
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
123456138
Product of the distinct prime numbers
The prime factorization of 123456138 is 2 × 3 × 13 × 101 × 15671.
Since it has a total of 5 prime factors.
4 , 7 , 92 , 31 , 697 , 770 , 1235 , 1567 , 41034 , 31041 , 908179 , 975368 , 2369455 , 9101125 , 50269967 , 25064129 , 66420865 , 888165866 , 4779791288 , 3875489188
n×2
246912276
n×3
370368414
n×4
493824552
n×5
617280690
n÷2
61728069
n÷3
41152046
n÷3
30864034.5
n÷5
24691227.6
n2
15241418009875044
n3
1.8816466051428E+24
n4
2.3230082295174E+32
n5
2.8678962455844E+40
2 √n
11111.081765517
3 √n
497.93298399828
4 √n
105.40911614048
5 √n
41.524320785758
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 101 , 202 , 303 , 606 , 1313 , 2626 , 3939 , 7878 , 15671 , 31342 , 47013 , 94026 , 203723 , 407446 , 611169 , 1222338 , 1582771 , 3165542 , 4748313 , 9496626 , 20576023 , 41152046 , 61728069 , 123456138
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-123456137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 123456138 can be divided by 32 positive divisors.
The sum of these divisors (counting 123456138) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111010110111100101010001010
3
Ternary
22121022012222120
4
Quaternary
13112330222022
5
Quinary
223101044023
6
Senary
20130032110
8
Octal
726745212
10
Decimal
123456138
12
Duodecimal
35418636
16
Hexadecimal
75bca8a
20
Vigesimal
1ibc06i
36
Base36
21i3d6
md5
2b4073a15a55a17b3ffd33d79b5ee076
sha1
c1ce5d98ea17c2bb791a10fda8525ffa8ea67fa1
sha256
f7abdf98eb4af7bbb698e83db792c458ff3aa9a966ae419db1795ac893d12a08
sha512
70d23abe8f9cf2ff0b48f9a78bec466736c70a7c6fd4ce543ea22b82fc7915640dbf89033ddd235b42a9b8ebdd25e1b77188af0f98e6e5102d7b9d8683038ea8
ripemd-160
0c586d9138c8c67ad8f6de3f425169113be193c8
Diameter
246912276
Circumference
775697792.36274
Area
4.7882326850115E+16
Volume
7.8818228684918E+24
Surface area
1.9152930740046E+17
Circumference
775697792.36274
Perimeter
493824552
Area
15241418009875044
Diagonal
174593344.7178
Surface area
91448508059250264
Volume
1.8816466051428E+24
Space diagonal
213832303.52223
Perimeter
370368414
Area
6.5997275931247E+15
Altitude
106916151.76112
Surface area
6.5997275931247E+15
Volume
2.2175417904886E+23
Height
58197781.572601