78442949 is an odd 8-digits composite number following 78442948
and preceding 78442950 . In scientific notation, it is written as 7.8442949 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 69260400 positive integers (up to 78442949) that are relatively prime to 78442949.
78442949 has 8 divisors, whose sum is 88150272
The reverse of 78442949 is 94924487
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million four hundred forty-two thousand nine hundred forty-nine
Scientific notation
7.8442949 × 10^7
Engineering notation
7.8442949 × 10^6
Prime Factorization
13 × 23 × 262351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78442949
Product of the distinct prime numbers
The prime factorization of 78442949 is 13 × 23 × 262351.
Since it has a total of 3 prime factors.
1 , 1 , 8 , 66 , 147 , 682 , 8675 , 5675 , 83958 , 81241 , 240174 , 205487 , 1089195 , 880928 , 29381826 , 17872442 , 861653202 , 171776922 , 1284971020 , 2756075926
n×2
156885898
n×3
235328847
n×4
313771796
n×5
392214745
n÷2
39221474.5
n÷3
26147649.666667
n÷3
19610737.25
n÷5
15688589.8
n2
6153296247816601
n3
4.8268270374937E+23
n4
3.7863054713394E+31
n5
2.970089669867E+39
2 √n
8856.8024139641
3 √n
428.0731325376
4 √n
94.110586088729
5 √n
37.923706992129
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78442948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78442949 can be divided by 8 positive divisors.
The sum of these divisors (counting 78442949) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011001111000111000101
3
Ternary
12110121022111102
4
Quaternary
10223033013011
5
Quinary
130040133244
6
Senary
11441145445
8
Octal
453170705
10
Decimal
78442949
12
Duodecimal
2232b285
16
Hexadecimal
4acf1c5
20
Vigesimal
14a5779
36
Base36
1apayt
md5
b012870dd476d2a8384de2dcdc895ca4
sha1
4bdf87d55e6514372d4d69f600f7edb2c6fe1c14
sha256
d955ff7ab1caf4259734226313fb18054e0815f92e88127fb4d755848797385d
sha512
629c3f0ddb14a6dbe8414cb47bd8223ae36365015b52a5d110771a7aae5f9dea1ddf25f69f350daed586e0a4cc08962608e2a281804a946fd5db433817a984bd
ripemd-160
7741863772ac4f6222707c4f73c56ed430f8b437
Diameter
156885898
Circumference
492871584.60864
Area
1.9331150287502E+16
Volume
2.0218565814852E+24
Surface area
7.7324601150009E+16
Circumference
492871584.60864
Perimeter
313771796
Area
6153296247816601
Diagonal
110935082.34834
Surface area
36919777486899606
Volume
4.8268270374937E+23
Space diagonal
135867173.16353
Perimeter
235328847
Area
2.6644554338103E+15
Altitude
67933586.581767
Surface area
2.6644554338103E+15
Volume
5.6884702163773E+22
Height
36978360.78278