388889142 is an even 9-digits composite number following 388889141
and preceding 388889143 . In scientific notation, it is written as 3.88889142 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 129572352 positive integers (up to 388889142) that are relatively prime to 388889142.
388889142 has 16 divisors, whose sum is 778122480
The reverse of 388889142 is 241988883
Previous prime number is 2473
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eighty-eight million eight hundred eighty-nine thousand one hundred forty-two
Scientific notation
3.88889142 × 10^8
Engineering notation
3.88889142 × 10^6
Prime Factorization
2 × 3 × 2473 × 26209
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388889142
Product of the distinct prime numbers
The prime factorization of 388889142 is 2 × 3 × 2473 × 26209.
Since it has a total of 4 prime factors.
7 , 5 , 80 , 25 , 80 , 255 , 7224 , 9374 , 29805 , 29207 , 785484 , 361405 , 18070 , 8351817 , 66104725 , 22988413 , 768487900 , 302934227 , 8810341454 , 7125539016
n×2
777778284
n×3
1166667426
n×4
1555556568
n×5
1944445710
n÷2
194444571
n÷3
129629714
n÷3
97222285.5
n÷5
77777828.4
n2
151234764765496164
n3
5.8813557910226E+25
n4
2.2871954073675E+34
n5
8.8946545955749E+42
2 √n
19720.272361202
3 √n
729.9200150058
4 √n
140.42888720346
5 √n
52.23542872068
1 , 2 , 3 , 6 , 2473 , 4946 , 7419 , 14838 , 26209 , 52418 , 78627 , 157254 , 64814857 , 129629714 , 194444571 , 388889142
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
-388889141
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 388889142 can be divided by 16 positive divisors.
The sum of these divisors (counting 388889142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001011011111101000110110
3
Ternary
1000002202121121120
4
Quaternary
113023133220312
5
Quinary
1244023423032
6
Senary
102331124410
8
Octal
2713375066
10
Decimal
388889142
12
Duodecimal
aa2a3706
16
Hexadecimal
172dfa36
20
Vigesimal
61ab2h2
36
Base36
6fj8s6
md5
b463f817cbacb7f7c885cc1b6e9a8e44
sha1
8ff56d17744277b0cbb7e10ea3d84e641a99c7d4
sha256
fb6accad95e0db8a3d793f0f40b75492c39aeab5fc844863609af82f283c6ee2
sha512
32fa115af15fb92b1b4533a463aac87068eafccb3824224c011a4c1f9d3497ae0c7df128c0d5a1a83e5a77c3ad42cc8ead0a6cf88eb66895b81ba0ad71ef176b
ripemd-160
27c0192ae860d8be5f220dda1d4ad643b0cf8d67
Diameter
777778284
Circumference
2443462543.1361
Area
4.7511802595466E+17
Volume
2.4635765528299E+26
Surface area
1.9004721038187E+18
Circumference
2443462543.1361
Perimeter
1555556568
Area
151234764765496164
Diagonal
549972298.87604
Surface area
907408588592976984
Volume
5.8813557910226E+25
Space diagonal
673575752.45587
Perimeter
1166667426
Area
6.5486574111142E+16
Altitude
336787876.22793
Surface area
6.5486574111142E+16
Volume
6.9312442706714E+24
Height
183324099.62535