388889656 is an even 9-digits composite number following 388889655
and preceding 388889657 . In scientific notation, it is written as 3.88889656 × 10^8.
The sum of its digits is 61. It has a total of 5 prime factors and 16 positive divisors.
There are 190307520 positive integers (up to 388889656) that are relatively prime to 388889656.
388889656 has 16 divisors, whose sum is 744683040
The reverse of 388889656 is 656988883
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
three hundred eighty-eight million eight hundred eighty-nine thousand six hundred fifty-six
Scientific notation
3.88889656 × 10^8
Engineering notation
3.88889656 × 10^6
Prime Factorization
2 × 2 × 2 × 47 × 1034281
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
97222414
Product of the distinct prime numbers
The prime factorization of 388889656 is 2 × 2 × 2 × 47 × 1034281.
Since it has a total of 5 prime factors.
6 , 1 , 81 , 26 , 521 , 908 , 3399 , 3063 , 46226 , 55075 , 190932 , 28121 , 1886736 , 2162312 , 48229366 , 47567323 , 490392404 , 973444400 , 5556604012 , 1271518046
n×2
777779312
n×3
1166668968
n×4
1555558624
n×5
1944448280
n÷2
194444828
n÷3
129629885.33333
n÷3
97222414
n÷5
77777931.2
n2
151235164543798336
n3
5.8813791114541E+25
n4
2.287207499459E+34
n5
8.8947133766522E+42
2 √n
19720.285393472
3 √n
729.92033658735
4 √n
140.42893360512
5 √n
52.235442528726
1 , 2 , 4 , 8 , 47 , 94 , 188 , 376 , 1034281 , 2068562 , 4137124 , 8274248 , 48611207 , 97222414 , 194444828 , 388889656
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
-388889655
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 388889656 can be divided by 16 positive divisors.
The sum of these divisors (counting 388889656) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001011011111110000111000
3
Ternary
1000002202122022121
4
Quaternary
113023133300320
5
Quinary
1244023432111
6
Senary
102331131024
8
Octal
2713376070
10
Decimal
388889656
12
Duodecimal
aa2a3a74
16
Hexadecimal
172dfc38
20
Vigesimal
61ab42g
36
Base36
6fj96g
md5
7dd97c0df43372ec679d03f15af62e4b
sha1
9750343c7da2e18c8fa6eecbb09da1dd83c37284
sha256
3d12e78e4e0f342d25c48c8c8ec07196701ff101e39a846f858aca4621622071
sha512
1f5c585364b166ad8a7ea13a91a101db2e5ce10b9b1c9981e778c8ac942eb08647608ff0236e6eff8bee0e80f8122189ae211370c2f33db75d07395cb1a8854a
ripemd-160
c9f1b24cb7e8bf1ada8624100d06dbc43da6b8e0
Diameter
777779312
Circumference
2443465772.6933
Area
4.7511928189524E+17
Volume
2.4635863212694E+26
Surface area
1.900477127581E+18
Circumference
2443465772.6933
Perimeter
1555558624
Area
151235164543798336
Diagonal
549973025.78181
Surface area
907410987262790016
Volume
5.8813791114541E+25
Space diagonal
673576642.72998
Perimeter
1166668968
Area
6.5486747220224E+16
Altitude
336788321.36499
Surface area
6.5486747220224E+16
Volume
6.9312717540635E+24
Height
183324341.92727