78123 is an odd 5-digits composite number following 78122
and preceding 78124 . In scientific notation, it is written as 7.8123 × 10^4.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 52080 positive integers (up to 78123) that are relatively prime to 78123.
78123 has 4 divisors, whose sum is 104168
The reverse of 78123 is 32187
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 21
Digital Root 3
Name
seventy-eight thousand one hundred twenty-three
Scientific notation
7.8123 × 10^4
Engineering notation
7.8123 × 10^3
Prime Factorization
3 × 26041
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78123
Product of the distinct prime numbers
The prime factorization of 78123 is 3 × 26041.
Since it has a total of 2 prime factors.
9 , 5 , 20 , 7 , 738 , 486 , 7078 , 1079 , 28468 , 94944 , 171848 , 785993 , 5784886 , 209923 , 49780667 , 35358722 , 103895237 , 468357223 , 3006746083 , 4652105657
n×2
156246
n×3
234369
n×4
312492
n×5
390615
n÷2
39061.5
n÷3
26041
n÷3
19530.75
n÷5
15624.6
n2
6103203129
n3
476800538046867
n4
3.7249088433835E+19
n5
2.9100105357165E+24
2 √n
279.50491945581
3 √n
42.749033868936
4 √n
16.718400624935
5 √n
9.5182209595395
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
-78122
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 78123 can be divided by 4 positive divisors.
The sum of these divisors (counting 78123) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011000100101011
3
Ternary
10222011110
4
Quaternary
103010223
5
Quinary
4444443
6
Senary
1401403
8
Octal
230453
10
Decimal
78123
12
Duodecimal
39263
16
Hexadecimal
1312b
20
Vigesimal
9f63
36
Base36
1oa3
md5
d6d9874dad077fbf5744ea75fb89212e
sha1
451ebb90a3c15f54bf997745034ba804c71e8be4
sha256
588ae3d096e2af124c94c44e22e7d584ebc90d85ffbf5bd652525d0f0a415008
sha512
60f736ac6c2066fcb478bd6472cfba82ed2cd6c22e77431787fb0591321f2d8b7786a4538bd4d257c6b4964a76d04ac126e4f814a83586252559f6307f7a5927
ripemd-160
b099d53768c008b61e729c139711ee609084e254
Diameter
156246
Circumference
490861.28575279
Area
19173778113.433
Volume
1.9972174234076E+15
Surface area
76695112453.731
Circumference
490861.28575279
Perimeter
312492
Area
6103203129
Diagonal
110482.60613327
Surface area
36619218774
Volume
476800538046867
Space diagonal
135313.0052397
Perimeter
234369
Area
2642764477.0853
Altitude
67656.502619852
Surface area
2642764477.0853
Volume
56191482287722
Height
36827.535377758