388791421 is an odd 9-digits prime number following 388791420
and preceding 388791422 . In scientific notation, it is written as 3.88791421 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 388791420 positive integers (up to 388791421) that are relatively prime to 388791421.
388791421 has 2 divisors, whose sum is 388791422
The reverse of 388791421 is 124197883
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
three hundred eighty-eight million seven hundred ninety-one thousand four hundred twenty-one
Scientific notation
3.88791421 × 10^8
Engineering notation
3.88791421 × 10^6
Prime Factorization
388791421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
388791421
Product of the distinct prime numbers
The prime factorization of 388791421 is 388791421.
Since it has a total of 1 prime factors.
4 , 2 , 18 , 75 , 780 , 830 , 6933 , 7254 , 35386 , 42011 , 388647 , 529616 , 5285183 , 4267541 , 46831813 , 79240801 , 105441701 , 447949764 , 6161528926 , 9037610933
n×2
777582842
n×3
1166374263
n×4
1555165684
n×5
1943957105
n÷2
194395710.5
n÷3
129597140.33333
n÷3
97197855.25
n÷5
77758284.2
n2
151158769043199241
n3
5.8769232612916E+25
n4
2.2848973458655E+34
n5
8.8834848593819E+42
2 √n
19717.794526772
3 √n
729.85887119775
4 √n
140.42006454482
5 √n
52.232803287916
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
388791422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
194395711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19717.79455213
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999948559
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388791421 can be divided by 2 positive divisors.
The sum of these divisors (counting 388791421) is 388791422, the average is 194395711.
Base
System
Value
2
Binary
10111001011000111110001111101
3
Ternary
1000002120122120021
4
Quaternary
113023013301331
5
Quinary
1244012311141
6
Senary
102325052141
8
Octal
2713076175
10
Decimal
388791421
12
Duodecimal
aa257051
16
Hexadecimal
172c7c7d
20
Vigesimal
619iib1
36
Base36
6fh5dp
md5
495f2586c6207e66dff5b05b93affecc
sha1
6e5de53f616d8b4c483f2a26e7ef5a454298a747
sha256
f6b3caf7e63aa9278ca119ca9ba7a9bb72ce8b6afcfa48e305f066df93baa55d
sha512
1a0eabaa61b38e87cd42c4064bec493eb4bb91e6c8dc472fd1f2ce532aa2c97b93a0c0ccd5318f9b3f84e9ef33b85ced3cf3355f20468167757eb94882db2469
ripemd-160
406a832eecc45d181606d4ab57abec98dc983674
Diameter
777582842
Circumference
2442848543.9847
Area
4.7487927835179E+17
Volume
2.461719859118E+26
Surface area
1.8995171134072E+18
Circumference
2442848543.9847
Perimeter
1555165684
Area
151158769043199241
Diagonal
549834100.51251
Surface area
906952614259195446
Volume
5.8769232612916E+25
Space diagonal
673406494.7189
Perimeter
1166374263
Area
6.5453666998098E+16
Altitude
336703247.35945
Surface area
6.5453666998098E+16
Volume
6.9260204842871E+24
Height
183278033.50417