388889128 is an even 9-digits composite number following 388889127
and preceding 388889129 . In scientific notation, it is written as 3.88889128 × 10^8.
The sum of its digits is 55. It has a total of 5 prime factors and 16 positive divisors.
There are 194275200 positive integers (up to 388889128) that are relatively prime to 388889128.
388889128 has 16 divisors, whose sum is 729802260
The reverse of 388889128 is 821988883
Previous prime number is 1181
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-eight million eight hundred eighty-nine thousand one hundred twenty-eight
Scientific notation
3.88889128 × 10^8
Engineering notation
3.88889128 × 10^6
Prime Factorization
2 × 2 × 2 × 1181 × 41161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
97222282
Product of the distinct prime numbers
The prime factorization of 388889128 is 2 × 2 × 2 × 1181 × 41161.
Since it has a total of 5 prime factors.
10 , 2 , 87 , 6 , 159 , 121 , 6186 , 7269 , 62706 , 84645 , 597488 , 358436 , 8051806 , 4826328 , 5495526 , 83062886 , 349505797 , 247549493 , 1262612678 , 3795255434
n×2
777778256
n×3
1166667384
n×4
1555556512
n×5
1944445640
n÷2
194444564
n÷3
129629709.33333
n÷3
97222282
n÷5
77777825.6
n2
151234753876600384
n3
5.8813551558366E+25
n4
2.2871950780116E+34
n5
8.8946529945382E+42
2 √n
19720.272006238
3 √n
729.92000624676
4 √n
140.4288859396
5 √n
52.235428344585
1 , 2 , 4 , 8 , 1181 , 2362 , 4724 , 9448 , 41161 , 82322 , 164644 , 329288 , 48611141 , 97222282 , 194444564 , 388889128
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
-388889127
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 388889128 can be divided by 16 positive divisors.
The sum of these divisors (counting 388889128) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001011011111101000101000
3
Ternary
1000002202121121001
4
Quaternary
113023133220220
5
Quinary
1244023423003
6
Senary
102331124344
8
Octal
2713375050
10
Decimal
388889128
12
Duodecimal
aa2a36b4
16
Hexadecimal
172dfa28
20
Vigesimal
61ab2g8
36
Base36
6fj8rs
md5
3892039d281f4d37a336ecfe32731ead
sha1
d11a9d5eaaf3632105ad0159602cbf65ef06a968
sha256
99264e3a9d9bf36a9b1e42253c0402342b60b37365a64e58826419c8b91e87f0
sha512
420862c68b421a4f1a11fd0e7e53f4588e12272d3d0329a8ad8e86ed34cc0df397e322866b46fc9d7c424c0321b591430e21ecd86c7d33332e2651c8da69ba83
ripemd-160
531da57025c4085465fe9a9d96a7d42ac24856c6
Diameter
777778256
Circumference
2443462455.1715
Area
4.7511799174619E+17
Volume
2.4635762867638E+26
Surface area
1.9004719669848E+18
Circumference
2443462455.1715
Perimeter
1555556512
Area
151234753876600384
Diagonal
549972279.07705
Surface area
907408523259602304
Volume
5.8813551558366E+25
Space diagonal
673575728.20716
Perimeter
1166667384
Area
6.5486569396112E+16
Altitude
336787864.10358
Surface area
6.5486569396112E+16
Volume
6.9312435220975E+24
Height
183324093.02568