78840393 is an odd 8-digits composite number following 78840392
and preceding 78840394 . In scientific notation, it is written as 7.8840393 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 52560260 positive integers (up to 78840393) that are relatively prime to 78840393.
78840393 has 4 divisors, whose sum is 105120528
The reverse of 78840393 is 39304887
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million eight hundred forty thousand three hundred ninety-three
Scientific notation
7.8840393 × 10^7
Engineering notation
7.8840393 × 10^6
Prime Factorization
3 × 26280131
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78840393
Product of the distinct prime numbers
The prime factorization of 78840393 is 3 × 26280131.
Since it has a total of 2 prime factors.
2 , 10 , 54 , 12 , 621 , 434 , 3720 , 482 , 60938 , 87828 , 808552 , 146994 , 3387873 , 4299098 , 68159792 , 97847365 , 727901859 , 45837992 , 2264961640 , 173929832
n×2
157680786
n×3
236521179
n×4
315361572
n×5
394201965
n÷2
39420196.5
n÷3
26280131
n÷3
19710098.25
n÷5
15768078.6
n2
6215807568394449
n3
4.9005671150459E+23
n4
3.863626372731E+31
n5
3.0460982163127E+39
2 √n
8879.2112825408
3 √n
428.79488240915
4 √n
94.229566923237
5 √n
37.962058674505
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
-78840392
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 78840393 can be divided by 4 positive divisors.
The sum of these divisors (counting 78840393) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100110000001001001001
3
Ternary
12111100111200120
4
Quaternary
10230300021021
5
Quinary
130140343033
6
Senary
11453453453
8
Octal
454601111
10
Decimal
78840393
12
Duodecimal
224a1289
16
Hexadecimal
4b30249
20
Vigesimal
14cf0jd
36
Base36
1axtmx
md5
7735bec323fcc43cce9277fc31c834a2
sha1
a214482f2ceece905064be7b076d84a56ae8136b
sha256
c71909b5265a06be60cc113443203e599fbaac90bbbdedc610c5b4c905fa1191
sha512
12e0e91d3d422f355cce971ba63adfdfbf3dce20de22f2598d8e5ef913cf6b0aa280f15cd3d7e9f7f22d14c18b991bbb2d773ffd4d804e3d41994ac9112fa875
ripemd-160
9f286e766fea89343dbcba2606c0e6dd883c7ddd
Diameter
157680786
Circumference
495368798.90986
Area
1.9527535392996E+16
Volume
2.0527447529403E+24
Surface area
7.8110141571983E+16
Circumference
495368798.90986
Perimeter
315361572
Area
6215807568394449
Diagonal
111497153.04342
Surface area
37294845410366694
Volume
4.9005671150459E+23
Space diagonal
136555566.3647
Perimeter
236521179
Area
2.6915236296326E+15
Altitude
68277783.182349
Surface area
2.6915236296326E+15
Volume
5.7753737311813E+22
Height
37165717.681142