77685939 is an odd 8-digits composite number following 77685938
and preceding 77685940 . In scientific notation, it is written as 7.7685939 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 50526720 positive integers (up to 77685939) that are relatively prime to 77685939.
77685939 has 16 divisors, whose sum is 117899040
The reverse of 77685939 is 93958677
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-seven million six hundred eighty-five thousand nine hundred thirty-nine
Scientific notation
7.7685939 × 10^7
Engineering notation
7.7685939 × 10^6
Prime Factorization
9 × 3 × 41 × 70177
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77685939
Product of the distinct prime numbers
The prime factorization of 77685939 is 9 × 3 × 41 × 70177.
Since it has a total of 4 prime factors.
9 , 4 , 62 , 52 , 622 , 734 , 4699 , 8720 , 28328 , 83890 , 75547 , 207816 , 8598358 , 8346343 , 37108412 , 67723754 , 142747357 , 291612318 , 8289708742 , 249221513
n×2
155371878
n×3
233057817
n×4
310743756
n×5
388429695
n÷2
38842969.5
n÷3
25895313
n÷3
19421484.75
n÷5
15537187.8
n2
6035105118311721
n3
4.6884280807975E+23
n4
3.6422493789072E+31
n5
2.8295156307258E+39
2 √n
8813.9627296693
3 √n
426.69164574081
4 √n
93.882707298359
5 √n
37.85022660328
1 , 3 , 9 , 27 , 41 , 123 , 369 , 1107 , 70177 , 210531 , 631593 , 1894779 , 2877257 , 8631771 , 25895313 , 77685939
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77685938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77685939 can be divided by 16 positive divisors.
The sum of these divisors (counting 77685939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000010110010010110011
3
Ternary
12102011212002000
4
Quaternary
10220112102303
5
Quinary
124341422224
6
Senary
11413025043
8
Octal
450262263
10
Decimal
77685939
12
Duodecimal
22025183
16
Hexadecimal
4a164b3
20
Vigesimal
145aegj
36
Base36
1a92ur
md5
a7e2a49174d0b27f5f6b7bc6a03b703e
sha1
50369f98148ae668e8a4046985c7084510650f34
sha256
a3713b4c1185ca9ebc31afd71ea85f06cc9186f043342204d9e244c19e7bfba6
sha512
4836362f485c983c68b1e5eddbbcff98d6ee8e35eea6707872884dd824e760d9e5932588ca6f68d9b4356394c14f5734a3b664f83edd6df4f3b4aae50d669e07
ripemd-160
ce959562d1f426deffbd06dd8228f5ccbed2c930
Diameter
155371878
Circumference
488115150.49925
Area
1.895984190333E+16
Volume
1.963884162069E+24
Surface area
7.5839367613321E+16
Circumference
488115150.49925
Perimeter
310743756
Area
6035105118311721
Diagonal
109864508.53949
Surface area
36210630709870326
Volume
4.6884280807975E+23
Space diagonal
134555993.3817
Perimeter
233057817
Area
2.6132771734837E+15
Altitude
67277996.690848
Surface area
2.6132771734837E+15
Volume
5.5253654817289E+22
Height
36621502.846496