78168081 is an odd 8-digits composite number following 78168080
and preceding 78168082 . In scientific notation, it is written as 7.8168081 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 50319360 positive integers (up to 78168081) that are relatively prime to 78168081.
78168081 has 16 divisors, whose sum is 107824640
The reverse of 78168081 is 18086187
Previous prime number is 769
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million one hundred sixty-eight thousand eighty-one
Scientific notation
7.8168081 × 10^7
Engineering notation
7.8168081 × 10^6
Prime Factorization
3 × 31 × 769 × 1093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78168081
Product of the distinct prime numbers
The prime factorization of 78168081 is 3 × 31 × 769 × 1093.
Since it has a total of 4 prime factors.
3 , 6 , 21 , 53 , 371 , 169 , 1050 , 7507 , 65031 , 81687 , 438201 , 633914 , 5473225 , 2950243 , 31387212 , 6687746 , 910293709 , 215073442 , 1744260726 , 5734806457
n×2
156336162
n×3
234504243
n×4
312672324
n×5
390840405
n÷2
39084040.5
n÷3
26056027
n÷3
19542020.25
n÷5
15633616.2
n2
6110248887222561
n3
4.7762642994657E+23
n4
3.7335141463805E+31
n5
2.9184163620891E+39
2 √n
8841.2714583367
3 √n
427.57255086856
4 √n
94.028035491213
5 √n
37.897092350725
1 , 3 , 31 , 93 , 769 , 1093 , 2307 , 3279 , 23839 , 33883 , 71517 , 101649 , 840517 , 2521551 , 26056027 , 78168081
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
-78168080
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 78168081 can be divided by 16 positive divisors.
The sum of these divisors (counting 78168081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010001100000000010001
3
Ternary
12110002100110010
4
Quaternary
10222030000101
5
Quinary
130002334311
6
Senary
11431225133
8
Octal
452140021
10
Decimal
78168081
12
Duodecimal
222181a9
16
Hexadecimal
4a8c011
20
Vigesimal
148b041
36
Base36
1ajevl
md5
8998589459aee415cdf45358ca6747a3
sha1
a94aed412a8b9a7f4f2d979c1bdbbc3a05940861
sha256
4f396a9880848b449e9240cdba0e23d7621d03a69f38fe930b9d50745eea98b3
sha512
fc5c632434a2528fca758e35868249ad7e0e0d81f8cb1294ec1f732cc142de5ff9df83c505073f16b8066a704a221c96499919c2814fb5369cdf16e80f9d6b53
ripemd-160
918d10ed7c9d9ff32aa7d94d61eb0ebefa16bf2a
Diameter
156336162
Circumference
491144538.02962
Area
1.9195913015704E+16
Volume
2.0006769113073E+24
Surface area
7.6783652062814E+16
Circumference
491144538.02962
Perimeter
312672324
Area
6110248887222561
Diagonal
110546360.29488
Surface area
36661493323335366
Volume
4.7762642994657E+23
Space diagonal
135391087.82216
Perimeter
234504243
Area
2.6458153798902E+15
Altitude
67695543.91108
Surface area
2.6458153798902E+15
Volume
5.6288814581524E+22
Height
36848786.76496