123780 is an even 6-digits composite number following 123779
and preceding 123781 . In scientific notation, it is written as 1.23780 × 10^5.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 32992 positive integers (up to 123780) that are relatively prime to 123780.
123780 has 12 divisors, whose sum is 231168
The reverse of 123780 is 087321
Previous prime number is 15
Is Prime? no
Number parity even
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-three thousand seven hundred eighty
Scientific notation
1.23780 × 10^5
Engineering notation
1.23780 × 10^3
Prime Factorization
2 × 2 × 15 × 2063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61890
Product of the distinct prime numbers
The prime factorization of 123780 is 2 × 2 × 15 × 2063.
Since it has a total of 4 prime factors.
8 , 1 , 70 , 78 , 393 , 39 , 5738 , 3837 , 67221 , 24074 , 796423 , 262380 , 1316986 , 3951015 , 98258532 , 16018847 , 133133851 , 544351062 , 4356249284 , 4958539686
n×2
247560
n×3
371340
n×4
495120
n×5
618900
n÷2
61890
n÷3
41260
n÷3
30945
n÷5
24756
n2
15321488400
n3
1896493834152000
n4
2.3474800679133E+20
n5
2.9057108280631E+25
2 √n
351.82381954609
3 √n
49.836801236151
4 √n
18.756967226769
5 √n
10.435904487913
1 , 2 , 4 , 15 , 30 , 60 , 2063 , 4126 , 8252 , 30945 , 61890 , 123780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-123779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 123780 can be divided by 12 positive divisors.
The sum of these divisors (counting 123780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11110001110000100
3
Ternary
20021210110
4
Quaternary
132032010
5
Quinary
12430110
6
Senary
2353020
8
Octal
361604
10
Decimal
123780
12
Duodecimal
5b770
16
Hexadecimal
1e384
20
Vigesimal
f990
36
Base36
2nic
md5
3f5d501d339a6c21fa1bc9870389b313
sha1
7eb791a17ecb8c1ffc0a3ef2d9740beb5aec43b9
sha256
7112f262b423251614300440bb04a3755c9303e07f1e1e32a14b4141fd0422fe
sha512
fe13f26bea9d20bb6fb349e494ba165d7f1354b9af13663c2a586c9423d5c3c6cdd1ad8bd3ab437fd4d2854b14395e363c51cb0ef6eea13fe3ae7636f2be6c62
ripemd-160
e72db7b2ab8d7f80967dd4f65b3172dbb199a684
Diameter
247560
Circumference
777732.67732269
Area
48133875399.501
Volume
7.9440147959337E+15
Surface area
192535501598
Circumference
777732.67732269
Perimeter
495120
Area
15321488400
Diagonal
175051.35475054
Surface area
91928930400
Volume
1896493834152000
Space diagonal
214393.24896088
Perimeter
371340
Area
6634399089.0943
Altitude
107196.62448044
Surface area
6634399089.0943
Volume
2.2350394176789E+14
Height
58350.451583514