388889681 (number)

388889681 is an odd 9-digits composite number following 388889680 and preceding 388889682. In scientific notation, it is written as 3.88889681 × 10^8. The sum of its digits is 59. It has a total of 4 prime factors and 16 positive divisors. There are 355732608 positive integers (up to 388889681) that are relatively prime to 388889681.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million eight hundred eighty-nine thousand six hundred eighty-one

Notation

Scientific notation 3.88889681 × 10^8
Engineering notation 3.88889681 × 10^6

Prime Factorization of 388889681

Prime Factorization 23 × 29 × 107 × 5449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388889681
Product of the distinct prime numbers

The prime factorization of 388889681 is 23 × 29 × 107 × 5449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 78, 71, 246, 130, 1241, 1109, 95979, 37649, 830025, 863436, 197451, 5931891, 39220244, 54426642, 364938346, 57516670, 3876252840, 1142411279

Basic calculations (n = 388889681)

Multiplication

n×y
n×2 777779362
n×3 1166669043
n×4 1555558724
n×5 1944448405

Division

n÷y
n÷2 194444840.5
n÷3 129629893.66667
n÷3 97222420.25
n÷5 77777936.2

Exponentiation

ny
n2 151235183988281761
n3 5.8813802457179E+25
n4 2.2872080875969E+34
n5 8.894716235662E+42

Nth Root

y√n
2√n 19720.286027337
3√n 729.92035222847
4√n 140.42893586201
5√n 52.235443200323

Divisors of 388889681

1, 23, 29, 107, 667, 2461, 3103, 5449, 71369, 125327, 158021, 583043, 3634483, 13409989, 16908247, 388889681

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 -388889680
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 388889681 can be divided by 16 positive divisors. The sum of these divisors (counting 388889681) is 1, the average is 0.0625.

Base conversion 388889681

Base System Value
2 Binary 10111001011011111110001010001
3 Ternary 1000002202122100112
4 Quaternary 113023133301101
5 Quinary 1244023432211
6 Senary 102331131105
8 Octal 2713376121
10 Decimal 388889681
12 Duodecimal aa2a3a95
16 Hexadecimal 172dfc51
20 Vigesimal 61ab441
36 Base36 6fj975

Cryptographic Hash Functions

md5 084f06c58e54a75e5bb3c2c81bfa1185
sha1 a7622ac9ee8193330ba7559ff7e526b7d3465a4c
sha256 5c4ff921ec2ddedb81e7589227aea2ae12e5dbd6bad052a18780db7f63a363ca
sha512 f236225cc23ea6531d3372c981ad065575d706138c2d8da0fff52ee2d2aeb90a830df7c9033f0a06bd25b843e1afb7d3741f60b1a77d5e7bdd53f2c0e440488c
ripemd-160 99d3e11102e67df9541e63e6e394052e86352cdf

388889681 as geometric shapes

Circle

Radius = n
Diameter 777779362
Circumference 2443465929.773
Area 4.7511934298189E+17

Sphere

Radius = n
Volume 2.4635867963887E+26
Surface area 1.9004773719275E+18
Circumference 2443465929.773

Square

Length = n
Perimeter 1555558724
Area 151235183988281761
Diagonal 549973061.13715

Cube

Length = n
Surface area 907411103929690566
Volume 5.8813802457179E+25
Space diagonal 673576686.03125

Equilateral Triangle

Length = n
Perimeter 1166669043
Area 6.5486755639933E+16
Altitude 336788343.01563

Triangular Pyramid

Length = n
Surface area 6.5486755639933E+16
Volume 6.9312730908062E+24
Height 183324353.71238