78561664 is an even 8-digits composite number following 78561663
and preceding 78561665 . In scientific notation, it is written as 7.8561664 × 10^7.
The sum of its digits is 43. It has a total of 8 prime factors and 16 positive divisors.
There are 39280768 positive integers (up to 78561664) that are relatively prime to 78561664.
78561664 has 16 divisors, whose sum is 156509820
The reverse of 78561664 is 46616587
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-eight million five hundred sixty-one thousand six hundred sixty-four
Scientific notation
7.8561664 × 10^7
Engineering notation
7.8561664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 613763
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
1227526
Product of the distinct prime numbers
The prime factorization of 78561664 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 613763.
Since it has a total of 8 prime factors.
6 , 3 , 32 , 75 , 115 , 876 , 9577 , 9590 , 90022 , 39962 , 224093 , 498663 , 2757098 , 3401015 , 28861255 , 81112737 , 725060825 , 493541352 , 2092842066 , 4993411613
n×2
157123328
n×3
235684992
n×4
314246656
n×5
392808320
n÷2
39280832
n÷3
26187221.333333
n÷3
19640416
n÷5
15712332.8
n2
6171935050448896
n3
4.8487748766319E+23
n4
3.809278226696E+31
n5
2.992632361282E+39
2 √n
8863.501791053
3 √n
428.28897130063
4 √n
94.146172471604
5 √n
37.935178743303
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 613763 , 1227526 , 2455052 , 4910104 , 9820208 , 19640416 , 39280832 , 78561664
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
-78561663
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 78561664 can be divided by 16 positive divisors.
The sum of these divisors (counting 78561664) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011101100000110000000
3
Ternary
12110211100100021
4
Quaternary
10223230012000
5
Quinary
130102433124
6
Senary
11443503224
8
Octal
453540600
10
Decimal
78561664
12
Duodecimal
22387b14
16
Hexadecimal
4aec180
20
Vigesimal
14b0434
36
Base36
1arukg
md5
5e62cceb0c2f53be4eac6e6556f72ee9
sha1
704706f1549923144c2539dada626e6057580122
sha256
9598d8ceddb83619fd30072f3cede3aa59014aaf82f6a37dfc2421ba876d3548
sha512
819b95b9d8976556a8ca0f78482e1056689ed3528a527a60d41c746bce32871c4c55428b86bc1f7097640ceeb9df0900beef751633f28065085271154761003e
ripemd-160
03dcb353ce939d69b02a3e347c021a2a3c7c8fe9
Diameter
157123328
Circumference
493617492.95238
Area
1.9389705812924E+16
Volume
2.031050070845E+24
Surface area
7.7558823251694E+16
Circumference
493617492.95238
Perimeter
314246656
Area
6171935050448896
Diagonal
111102970.7114
Surface area
37031610302693376
Volume
4.8487748766319E+23
Space diagonal
136072793.57515
Perimeter
235684992
Area
2.6725262720982E+15
Altitude
68036396.787577
Surface area
2.6725262720982E+15
Volume
5.7143359928556E+22
Height
37034323.570466