387009905 (number)

387009905 is an odd 9-digits composite number following 387009904 and preceding 387009906. In scientific notation, it is written as 3.87009905 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 305860032 positive integers (up to 387009905) that are relatively prime to 387009905.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million nine thousand nine hundred five

Notation

Scientific notation 3.87009905 × 10^8
Engineering notation 3.87009905 × 10^6

Prime Factorization of 387009905

Prime Factorization 5 × 467 × 107 × 1549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 387009905
Product of the distinct prime numbers

The prime factorization of 387009905 is 5 × 467 × 107 × 1549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 387009905)

Multiplication

n×y
n×2 774019810
n×3 1161029715
n×4 1548039620
n×5 1935049525

Division

n÷y
n÷2 193504952.5
n÷3 129003301.66667
n÷3 96752476.25
n÷5 77401981

Exponentiation

ny
n2 149776666568109025
n3 5.7965053499741E+25
n4 2.2433049848255E+34
n5 8.6818124906332E+42

Nth Root

y√n
2√n 19672.567321018
3√n 728.74238022684
4√n 140.25892955894
5√n 52.184847188158

Divisors of 387009905

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 -387009904
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 387009905 can be divided by 16 positive divisors. The sum of these divisors (counting 387009905) is 1, the average is 0.0625.

Base conversion 387009905

Base System Value
2 Binary 10111000100010100110101110001
3 Ternary 222222020010210012
4 Quaternary 113010110311301
5 Quinary 1243033304110
6 Senary 102222544305
8 Octal 2704246561
10 Decimal 387009905
12 Duodecimal a9738095
16 Hexadecimal 17114d71
20 Vigesimal 60ig4f5
36 Base36 6eeyr5

Cryptographic Hash Functions

md5 4ec8391b2dae2a0f7e593c2eee7f8ffc
sha1 a6ffbfa2978aba5c83989795e7c58f719becc03a
sha256 23fd4008238983f2f552622112cf5db431cee946e78b191a3d63e8e30f545a68
sha512 9418502baf148107f5a351873d3265c37708ac03e61b400e3a1358141de17c03234af518bfe9df1db0b7dadc8e5d8860b324650006fc4ec59b1ad9c96aa3ffc4
ripemd-160 e8901c6d162f89c1cfa251375b72c57d78df04ab

387009905 as geometric shapes

Circle

Radius = n
Diameter 774019810
Circumference 2431654948.829
Area 4.7053727536954E+17

Sphere

Radius = n
Volume 2.4280344831963E+26
Surface area 1.8821491014782E+18
Circumference 2431654948.829

Square

Length = n
Perimeter 1548039620
Area 149776666568109025
Diagonal 547314656.42372

Cube

Length = n
Surface area 898659999408654150
Volume 5.7965053499741E+25
Space diagonal 670320818.4924

Equilateral Triangle

Length = n
Perimeter 1161029715
Area 6.4855199071067E+16
Altitude 335160409.2462

Triangular Pyramid

Length = n
Surface area 6.4855199071067E+16
Volume 6.8312470669179E+24
Height 182438218.80791