386985281 is an odd 9-digits composite number following 386985280
and preceding 386985282 . In scientific notation, it is written as 3.86985281 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 364090320 positive integers (up to 386985281) that are relatively prime to 386985281.
386985281 has 4 divisors, whose sum is 387262512
The reverse of 386985281 is 182589683
Previous prime number is 1403
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-six million nine hundred eighty-five thousand two hundred eighty-one
Scientific notation
3.86985281 × 10^8
Engineering notation
3.86985281 × 10^6
Prime Factorization
1403 × 275827
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
386985281
Product of the distinct prime numbers
The prime factorization of 386985281 is 1403 × 275827.
Since it has a total of 2 prime factors.
8 , 1 , 78 , 97 , 493 , 232 , 9260 , 6140 , 64649 , 25562 , 750424 , 619036 , 7022296 , 995166 , 25541615 , 62261713 , 541553536 , 53178640 , 5909142878 , 2973499410
n×2
773970562
n×3
1160955843
n×4
1547941124
n×5
1934926405
n÷2
193492640.5
n÷3
128995093.66667
n÷3
96746320.25
n÷5
77397056.2
n2
149757607710648961
n3
5.7953989901793E+25
n4
2.2427341067217E+34
n5
8.6790508849797E+42
2 √n
19671.941464939
3 √n
728.72692417715
4 √n
140.25669846727
5 √n
52.184183105733
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-386985280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 386985281 can be divided by 4 positive divisors.
The sum of these divisors (counting 386985281) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111000100001110110101000001
3
Ternary
222222011220000012
4
Quaternary
113010032311001
5
Quinary
1243032012111
6
Senary
102222234305
8
Octal
2704166501
10
Decimal
386985281
12
Duodecimal
a9725995
16
Hexadecimal
1710ed41
20
Vigesimal
60id341
36
Base36
6eefr5
md5
98bec36954e48862f1804e51ffd32167
sha1
9f68f4a868e12374ad299a843bdc73b9144cb5b8
sha256
6b657922e6d162499b50ae9f6f2b71b5d68f96daabbb17c4785597db8572a959
sha512
171828189b3a4c1ae81e7cfdfd525f0f60760fe93b2acca12957c3ee0e89d869a6ab6d4f407050eb6ccf801754f635a15eefd65bdd8c504fb204ee85730f20ab
ripemd-160
cfc7a07a439555a42d92fd60199c15cb08809b43
Diameter
773970562
Circumference
2431500231.674
Area
4.7047740020296E+17
Volume
2.4275710522892E+26
Surface area
1.8819096008118E+18
Circumference
2431500231.674
Perimeter
1547941124
Area
149757607710648961
Diagonal
547279832.82896
Surface area
898545646263893766
Volume
5.7953989901793E+25
Space diagonal
670278168.47332
Perimeter
1160955843
Area
6.4846946343703E+16
Altitude
335139084.23666
Surface area
6.4846946343703E+16
Volume
6.8299432093958E+24
Height
182426610.94299