388889680 is an even 9-digits composite number following 388889679
and preceding 388889681 . In scientific notation, it is written as 3.88889680 × 10^8.
The sum of its digits is 58. It has a total of 6 prime factors and 20 positive divisors.
There are 155555840 positive integers (up to 388889680) that are relatively prime to 388889680.
388889680 has 20 divisors, whose sum is 904168692
The reverse of 388889680 is 086988883
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 58
Digital Root 4
Name
three hundred eighty-eight million eight hundred eighty-nine thousand six hundred eighty
Scientific notation
3.88889680 × 10^8
Engineering notation
3.88889680 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 4861121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
48611210
Product of the distinct prime numbers
The prime factorization of 388889680 is 2 × 2 × 2 × 2 × 5 × 4861121.
Since it has a total of 6 prime factors.
2 , 7 , 96 , 69 , 237 , 392 , 5101 , 8149 , 86629 , 68875 , 149417 , 240467 , 7474190 , 834517 , 52547766 , 81677173 , 282071022 , 686001162 , 6538901087 , 3819864620
n×2
777779360
n×3
1166669040
n×4
1555558720
n×5
1944448400
n÷2
194444840
n÷3
129629893.33333
n÷3
97222420
n÷5
77777936
n2
151235183210502400
n3
5.8813802003474E+25
n4
2.2872080640714E+34
n5
8.8947161213016E+42
2 √n
19720.286001983
3 √n
729.92035160282
4 √n
140.42893577174
5 √n
52.235443173459
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 4861121 , 9722242 , 19444484 , 24305605 , 38888968 , 48611210 , 77777936 , 97222420 , 194444840 , 388889680
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
-388889679
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 388889680 can be divided by 20 positive divisors.
The sum of these divisors (counting 388889680) is 1, the average is 0.05.
Base
System
Value
2
Binary
10111001011011111110001010000
3
Ternary
1000002202122100111
4
Quaternary
113023133301100
5
Quinary
1244023432210
6
Senary
102331131104
8
Octal
2713376120
10
Decimal
388889680
12
Duodecimal
aa2a3a94
16
Hexadecimal
172dfc50
20
Vigesimal
61ab440
36
Base36
6fj974
md5
1c433c72c9443539123b8c6bfe0d5c2f
sha1
cb9f5b753372d8f39abab96aeadd69a53313de63
sha256
8b016f897d0b77c7705dbf209bd526ab98e3d3641ff6247383187deb7017f6be
sha512
42641eef00edeebcbe4f9898f34253b08255a3323b18a6ae5ae06c45e372ae5bfcfb209d3618d51ced3bca9eb6a534aac062d42347b230e03b0472647058b0b7
ripemd-160
4d524549b4abb528a376dc98e1a0582fd2dc6abe
Diameter
777779360
Circumference
2443465923.4898
Area
4.7511934053842E+17
Volume
2.463586777384E+26
Surface area
1.9004773621537E+18
Circumference
2443465923.4898
Perimeter
1555558720
Area
151235183210502400
Diagonal
549973059.72293
Surface area
907411099263014400
Volume
5.8813802003474E+25
Space diagonal
673576684.2992
Perimeter
1166669040
Area
6.5486755303144E+16
Altitude
336788342.1496
Surface area
6.5486755303144E+16
Volume
6.9312730373365E+24
Height
183324353.24098