78139997 is an odd 8-digits composite number following 78139996
and preceding 78139998 . In scientific notation, it is written as 7.8139997 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 72129216 positive integers (up to 78139997) that are relatively prime to 78139997.
78139997 has 4 divisors, whose sum is 84150780
The reverse of 78139997 is 79993187
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million one hundred thirty-nine thousand nine hundred ninety-seven
Scientific notation
7.8139997 × 10^7
Engineering notation
7.8139997 × 10^6
Prime Factorization
13 × 6010769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78139997
Product of the distinct prime numbers
The prime factorization of 78139997 is 13 × 6010769.
Since it has a total of 2 prime factors.
8 , 8 , 95 , 99 , 562 , 273 , 3526 , 3884 , 66723 , 1876 , 848077 , 463022 , 1836740 , 2903403 , 31389153 , 60719235 , 117958539 , 707342998 , 3432948650 , 8895930903
n×2
156279994
n×3
234419991
n×4
312559988
n×5
390699985
n÷2
39069998.5
n÷3
26046665.666667
n÷3
19534999.25
n÷5
15627999.4
n2
6105859131160009
n3
4.7711181419127E+23
n4
3.728151572957E+31
n5
2.9131775272641E+39
2 √n
8839.6830825545
3 √n
427.52133906227
4 √n
94.019588823577
5 √n
37.894368847953
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
-78139996
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 78139997 can be divided by 4 positive divisors.
The sum of these divisors (counting 78139997) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101010000101001001011101
3
Ternary
12110000220220222
4
Quaternary
10222011021131
5
Quinary
130000434442
6
Senary
11430451125
8
Octal
452051135
10
Decimal
78139997
12
Duodecimal
22203aa5
16
Hexadecimal
4a8525d
20
Vigesimal
14879jh
36
Base36
1ait7h
md5
3c7749d032f45c40abfcf0d693f6ef9a
sha1
976c59e04c09c8a82a39a545f9dec7575ed74d9b
sha256
afe6ec6ee0a5c8b3e1519b6e1cad67afe24d6faa77e81ad0d3f8395837c04ec5
sha512
b174b24252bf6929892827183b010ed48467803fe7e622b7eed4b2c35695f048407060dff2dcf5ba9ad4ea8b58424db5d1b40e8b0539b7dd42e734a6f62b69d8
ripemd-160
5caefa99ef14ab1bab1545ded86811f57f85e544
Diameter
156279994
Circumference
490968081.05346
Area
1.9182122190306E+16
Volume
1.9985212938722E+24
Surface area
7.6728488761226E+16
Circumference
490968081.05346
Perimeter
312559988
Area
6105859131160009
Diagonal
110506643.52119
Surface area
36635154786960054
Volume
4.7711181419127E+23
Space diagonal
135342444.90728
Perimeter
234419991
Area
2.6439145597569E+15
Altitude
67671222.45364
Surface area
2.6439145597569E+15
Volume
5.6228166533143E+22
Height
36835547.840398