78168730 is an even 8-digits composite number following 78168729
and preceding 78168731 . In scientific notation, it is written as 7.8168730 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 31067712 positive integers (up to 78168730) that are relatively prime to 78168730.
78168730 has 16 divisors, whose sum is 141602760
The reverse of 78168730 is 03786187
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million one hundred sixty-eight thousand seven hundred thirty
Scientific notation
7.8168730 × 10^7
Engineering notation
7.8168730 × 10^6
Prime Factorization
2 × 5 × 157 × 49789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78168730
Product of the distinct prime numbers
The prime factorization of 78168730 is 2 × 5 × 157 × 49789.
Since it has a total of 4 prime factors.
5 , 1 , 31 , 40 , 784 , 248 , 8016 , 9240 , 31171 , 43718 , 97714 , 131892 , 4348352 , 5144874 , 99593222 , 44427903 , 575101441 , 323209650 , 7996715327 , 6526652716
n×2
156337460
n×3
234506190
n×4
312674920
n×5
390843650
n÷2
39084365
n÷3
26056243.333333
n÷3
19542182.5
n÷5
15633746
n2
6110350349812900
n3
4.7763832669993E+23
n4
3.7336381397459E+31
n5
2.918537516635E+39
2 √n
8841.3081611264
3 √n
427.57373418965
4 √n
94.028230660405
5 √n
37.897155279559
1 , 2 , 5 , 10 , 157 , 314 , 785 , 1570 , 49789 , 99578 , 248945 , 497890 , 7816873 , 15633746 , 39084365 , 78168730
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
-78168729
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 78168730 can be divided by 16 positive divisors.
The sum of these divisors (counting 78168730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010001100001010011010
3
Ternary
12110002101100011
4
Quaternary
10222030022122
5
Quinary
130002344410
6
Senary
11431232134
8
Octal
452141232
10
Decimal
78168730
12
Duodecimal
2221864a
16
Hexadecimal
4a8c29a
20
Vigesimal
148b1ga
36
Base36
1ajfdm
md5
60a6adc15c79dc68daa38eeaf0dac98d
sha1
da63168c103d62cefc4b4ddf7f5d11d8e44b2491
sha256
6c4a78c405bbd4bbf0cb1e9add222c887d79e2cb14c458f33c8b6b9ef1eabcf7
sha512
ab6138b28e00a7ca1bcff153a4d08bf58a48d191c54de46f807118c78214f7f1ee49eef88ccd260b6f81a680c706ee12495dcf56adcd85c4ce68ab17204fdfbf
ripemd-160
6018b83137f19634d699e97e871f854e03047f22
Diameter
156337460
Circumference
491148615.81689
Area
1.9196231769832E+16
Volume
2.0007267443112E+24
Surface area
7.6784927079328E+16
Circumference
491148615.81689
Perimeter
312674920
Area
6110350349812900
Diagonal
110547278.11948
Surface area
36662102098877400
Volume
4.7763832669993E+23
Space diagonal
135392211.92313
Perimeter
234506190
Area
2.6458593144806E+15
Altitude
67696105.961567
Surface area
2.6458593144806E+15
Volume
5.6290216627353E+22
Height
36849092.706494