78488940 is an even 8-digits composite number following 78488939
and preceding 78488941 . In scientific notation, it is written as 7.8488940 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 20879040 positive integers (up to 78488940) that are relatively prime to 78488940.
78488940 has 24 divisors, whose sum is 146872320
The reverse of 78488940 is 04988487
Previous prime number is 479
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million four hundred eighty-eight thousand nine hundred forty
Scientific notation
7.8488940 × 10^7
Engineering notation
7.8488940 × 10^6
Prime Factorization
2 × 2 × 15 × 479 × 2731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39244470
Product of the distinct prime numbers
The prime factorization of 78488940 is 2 × 2 × 15 × 479 × 2731.
Since it has a total of 5 prime factors.
8 , 3 , 77 , 2 , 344 , 927 , 7889 , 5393 , 36188 , 30068 , 127507 , 824207 , 1185352 , 6045747 , 79305516 , 87771771 , 245437103 , 668705484 , 8146271811 , 3566899230
n×2
156977880
n×3
235466820
n×4
313955760
n×5
392444700
n÷2
39244470
n÷3
26162980
n÷3
19622235
n÷5
15697788
n2
6160513702323600
n3
4.8353219035085E+23
n4
3.7951929076517E+31
n5
2.978806684171E+39
2 √n
8859.39839944
3 √n
428.15677576857
4 √n
94.124377285802
5 √n
37.928152873721
1 , 2 , 4 , 15 , 30 , 60 , 479 , 958 , 1916 , 2731 , 5462 , 7185 , 10924 , 14370 , 28740 , 40965 , 81930 , 163860 , 1308149 , 2616298 , 5232596 , 19622235 , 39244470 , 78488940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78488939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78488940 can be divided by 24 positive divisors.
The sum of these divisors (counting 78488940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101011011010010101101100
3
Ternary
12110200122120210
4
Quaternary
10223122111230
5
Quinary
130043121230
6
Senary
11442142420
8
Octal
453322554
10
Decimal
78488940
12
Duodecimal
22351a10
16
Hexadecimal
4ada56c
20
Vigesimal
14ab270
36
Base36
1aqagc
md5
3df49ecfd8403e978b08b82134c08448
sha1
a6c1b1d4ced71ffc8593705de7c0ac2f84faf359
sha256
8e055077e56434354bd8f730d92db92698cfb991b51859debd046aefc7f65cdf
sha512
946c36210a83b27150f50270d5ce581e4ddc368ebd7bc53b510d11af7ebbfa8acee820cefcbe5cdfd04ff0d7c2ff064f24d167e7fc98528ce6f2ae360702d2bc
ripemd-160
517a20b974ab29baa0909f312482c4b595955789
Diameter
156977880
Circumference
493160554.5841
Area
1.9353824589559E+16
Volume
2.0254149026406E+24
Surface area
7.7415298358236E+16
Circumference
493160554.5841
Perimeter
313955760
Area
6160513702323600
Diagonal
111000123.44429
Surface area
36963082213941600
Volume
4.8353219035085E+23
Space diagonal
135946831.91223
Perimeter
235466820
Area
2.6675806832872E+15
Altitude
67973415.956113
Surface area
2.6675806832872E+15
Volume
5.6984815119846E+22
Height
37000041.148096