78164939 is an odd 8-digits composite number following 78164938
and preceding 78164940 . In scientific notation, it is written as 7.8164939 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 77594256 positive integers (up to 78164939) that are relatively prime to 78164939.
78164939 has 4 divisors, whose sum is 78735624
The reverse of 78164939 is 93946187
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million one hundred sixty-four thousand nine hundred thirty-nine
Scientific notation
7.8164939 × 10^7
Engineering notation
7.8164939 × 10^6
Prime Factorization
137 × 570547
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78164939
Product of the distinct prime numbers
The prime factorization of 78164939 is 137 × 570547.
Since it has a total of 2 prime factors.
4 , 10 , 61 , 75 , 71 , 936 , 9322 , 3102 , 13043 , 61194 , 21197 , 914258 , 517188 , 6596463 , 1407802 , 19891436 , 663114993 , 336207301 , 9888526063 , 3074743402
n×2
156329878
n×3
234494817
n×4
312659756
n×5
390824695
n÷2
39082469.5
n÷3
26054979.666667
n÷3
19541234.75
n÷5
15632987.8
n2
6109757688873721
n3
4.775688370556E+23
n4
3.7329139016752E+31
n5
2.9178298741669E+39
2 √n
8841.0937671761
3 √n
427.56682197027
4 √n
94.027090602528
5 √n
37.896787687806
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
-78164938
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 78164939 can be divided by 4 positive divisors.
The sum of these divisors (counting 78164939) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101010001011001111001011
3
Ternary
12110002012010202
4
Quaternary
10222023033023
5
Quinary
130002234224
6
Senary
11431202415
8
Octal
452131713
10
Decimal
78164939
12
Duodecimal
2221640b
16
Hexadecimal
4a8b3cb
20
Vigesimal
148ac6j
36
Base36
1ajcgb
md5
cb5662de10106beaf4f11b859228cdda
sha1
ecfd8f0a2d3e4d6c8fc38bbe1c9abbe35782c670
sha256
ae1ba9a9da2ec08a552b17182c8c421e751868584c2edcadf6f0be9a40118828
sha512
e9c846461fb65ef1fb6e0c55fe186ed6e2f9c4ddd4c151ddf5117ad62fb50330010007fb15b6eca2c6691903a923e1f9fd4dd902dfeabaa035f6d3bb9023ef81
ripemd-160
39b1c445254c8697da65af1d2c2fd6f105597456
Diameter
156329878
Circumference
491124796.26139
Area
1.9194369870579E+16
Volume
2.0004356667697E+24
Surface area
7.6777479482318E+16
Circumference
491124796.26139
Perimeter
312659756
Area
6109757688873721
Diagonal
110541916.83587
Surface area
36658546133242326
Volume
4.775688370556E+23
Space diagonal
135385645.71852
Perimeter
234494817
Area
2.645602684766E+15
Altitude
67692822.859261
Surface area
2.645602684766E+15
Volume
5.6282027194231E+22
Height
36847305.611955