388889808 is an even 9-digits composite number following 388889807
and preceding 388889809 . In scientific notation, it is written as 3.88889808 × 10^8.
The sum of its digits is 60. It has a total of 6 prime factors and 20 positive divisors.
There are 129629920 positive integers (up to 388889808) that are relatively prime to 388889808.
388889808 has 20 divisors, whose sum is 1004632128
The reverse of 388889808 is 808988883
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 60
Digital Root 6
Name
three hundred eighty-eight million eight hundred eighty-nine thousand eight hundred eight
Scientific notation
3.88889808 × 10^8
Engineering notation
3.88889808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 8101871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
48611226
Product of the distinct prime numbers
The prime factorization of 388889808 is 2 × 2 × 2 × 2 × 3 × 8101871.
Since it has a total of 6 prime factors.
8 , 3 , 61 , 13 , 299 , 423 , 5897 , 2377 , 95801 , 63399 , 393964 , 484263 , 635412 , 4053254 , 46529445 , 70975401 , 994564721 , 516662439 , 781536920 , 7995475543
n×2
777779616
n×3
1166669424
n×4
1555559232
n×5
1944449040
n÷2
194444904
n÷3
129629936
n÷3
97222452
n÷5
77777961.6
n2
151235282766276864
n3
5.8813860077803E+25
n4
2.2872110753396E+34
n5
8.8947307594428E+42
2 √n
19720.289247372
3 √n
729.92043168534
4 √n
140.42894732701
5 √n
52.235446612037
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 8101871 , 16203742 , 24305613 , 32407484 , 48611226 , 64814968 , 97222452 , 129629936 , 194444904 , 388889808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388889807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388889808 can be divided by 20 positive divisors.
The sum of these divisors (counting 388889808) is 1, the average is 0.05.
Base
System
Value
2
Binary
10111001011011111110011010000
3
Ternary
1000002202122112020
4
Quaternary
113023133303100
5
Quinary
1244023433213
6
Senary
102331131440
8
Octal
2713376320
10
Decimal
388889808
12
Duodecimal
aa2a3b80
16
Hexadecimal
172dfcd0
20
Vigesimal
61ab4a8
36
Base36
6fj9ao
md5
fe77b76b957ca2a41996f7259192a658
sha1
f94c526f22fa039032af01ea1257da67b8c58856
sha256
cb74c00e5864b44a3ff5cf5614278e34d61a4bf475bfe115ec597396e38892a0
sha512
196eee6cff42d02a3ab6f9a615b186ab1f6abe411459e05f51a21b5e5ce4e11e251efaa005e1a191027831e4dab4486d2d064600de3c6ab8a8d64cb5d9fc6a1e
ripemd-160
f27fb0e24344b8fc7c242324795e26e8e5362856
Diameter
777779616
Circumference
2443466727.7375
Area
4.7511965330211E+17
Volume
2.4635892099958E+26
Surface area
1.9004786132084E+18
Circumference
2443466727.7375
Perimeter
1555559232
Area
151235282766276864
Diagonal
549973240.74227
Surface area
907411696597661184
Volume
5.8813860077803E+25
Space diagonal
673576906.00171
Perimeter
1166669424
Area
6.5486798412059E+16
Altitude
336788453.00085
Surface area
6.5486798412059E+16
Volume
6.9312798814619E+24
Height
183324413.58076