388900905 (number)

388900905 is an odd 9-digits composite number following 388900904 and preceding 388900906. In scientific notation, it is written as 3.88900905 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 198395648 positive integers (up to 388900905) that are relatively prime to 388900905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88900905 × 10^8
Engineering notation 3.88900905 × 10^6

Prime Factorization of 388900905

Prime Factorization 15 × 23 × 1127249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388900905
Product of the distinct prime numbers

The prime factorization of 388900905 is 15 × 23 × 1127249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 14, 28, 893, 534, 5262, 6861, 41855, 80905, 949663, 170833, 4947345, 2966947, 76653859, 94462511, 103003464, 813916679, 4302595786, 6796618291

Basic calculations (n = 388900905)

Multiplication

n×y
n×2 777801810
n×3 1166702715
n×4 1555603620
n×5 1944504525

Division

n÷y
n÷2 194450452.5
n÷3 129633635
n÷3 97225226.25
n÷5 77780181

Exponentiation

ny
n2 151243913909819025
n3 5.8818894995271E+25
n4 2.2874721494761E+34
n5 8.8959998909354E+42

Nth Root

y√n
2√n 19720.570605335
3√n 729.9273743975
4√n 140.42994910394
5√n 52.235744717116

Divisors of 388900905

1, 15, 23, 345, 1127249, 16908735, 25926727, 388900905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388900904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388900905 can be divided by 8 positive divisors. The sum of these divisors (counting 388900905) is 1, the average is 0.125.

Base conversion 388900905

Base System Value
2 Binary 10111001011100010100000101001
3 Ternary 1000002210012202020
4 Quaternary 113023202200221
5 Quinary 1244024312110
6 Senary 102331255053
8 Octal 2713424051
10 Decimal 388900905
12 Duodecimal aa2aa489
16 Hexadecimal 172e2829
20 Vigesimal 61acc55
36 Base36 6fjhux

Cryptographic Hash Functions

md5 968885ee1f5c6a8b66f75d6695dd36d8
sha1 604ba219bf245e1c67c4659575d4835dc84c0773
sha256 407e3470e111a6921cf5a343cf2438b3b6afb125501833cb436db23cbc8353a0
sha512 ec9f52d250a000458d57aef43b99ce793b799c86140213695a2920d568867daaa7806049ae3b238ee4403a760df2cbf4f167cdfd6dae2354fe9f7da2eb21c5c3
ripemd-160 ee7bbf2e3e6cb0aa9fb8f53a52fd3a518a7655b9

388900905 as geometric shapes

Circle

Radius = n
Diameter 777801810
Circumference 2443536452.2448
Area 4.7514676883925E+17

Sphere

Radius = n
Volume 2.4638001121255E+26
Surface area 1.900587075357E+18
Circumference 2443536452.2448

Square

Length = n
Perimeter 1555603620
Area 151243913909819025
Diagonal 549988934.27017

Cube

Length = n
Surface area 907463483458914150
Volume 5.8818894995271E+25
Space diagonal 673596126.56952

Equilateral Triangle

Length = n
Perimeter 1166702715
Area 6.5490535806845E+16
Altitude 336798063.28476

Triangular Pyramid

Length = n
Surface area 6.5490535806845E+16
Volume 6.9318732521759E+24
Height 183329644.75672