387942769 (number)

387942769 is an odd 9-digits composite number following 387942768 and preceding 387942770. In scientific notation, it is written as 3.87942769 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 387902196 positive integers (up to 387942769) that are relatively prime to 387942769.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million nine hundred forty-two thousand seven hundred sixty-nine

Notation

Scientific notation 3.87942769 × 10^8
Engineering notation 3.87942769 × 10^6

Prime Factorization of 387942769

Prime Factorization 15427 × 25147

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 387942769
Product of the distinct prime numbers

The prime factorization of 387942769 is 15427 × 25147. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 387942769)

Multiplication

n×y
n×2 775885538
n×3 1163828307
n×4 1551771076
n×5 1939713845

Division

n÷y
n÷2 193971384.5
n÷3 129314256.33333
n÷3 96985692.25
n÷5 77588553.8

Exponentiation

ny
n2 150499592019387361
n3 5.8385228461371E+25
n4 2.2650127198002E+34
n5 8.7869530633951E+42

Nth Root

y√n
2√n 19696.262818108
3√n 729.32744022453
4√n 140.34337468548
5√n 52.209980651169

Divisors of 387942769

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 -387942768
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 387942769 can be divided by 4 positive divisors. The sum of these divisors (counting 387942769) is 1, the average is 0.25.

Base conversion 387942769

Base System Value
2 Binary 10111000111111000100101110001
3 Ternary 1000000222112102201
4 Quaternary 113013320211301
5 Quinary 1243303132034
6 Senary 102254543201
8 Octal 2707704561
10 Decimal 387942769
12 Duodecimal a9b07b01
16 Hexadecimal 171f8971
20 Vigesimal 614cgi9
36 Base36 6eyyk1

Cryptographic Hash Functions

md5 2311bb3fdcbb5bc101ce8f06bc45544b
sha1 617724f723d5550ff2acd0cc13f90fda5d2a1e33
sha256 352a99838a449f5da0dfe5a4e4d0264b81a9e2244a24688189b5045c8e322911
sha512 e14d04b38c727426cb4ea0bd0c75b2c6c8d0899adbe8b092859839451caa59b5c1d6074038fb688a65531a2a650225938abea05b16160f948dcce505d845920a
ripemd-160 d9539e96be1626317dc4da7f392b4a42b9b8cc56

387942769 as geometric shapes

Circle

Radius = n
Diameter 775885538
Circumference 2437516306.2074
Area 4.7280841265637E+17

Sphere

Radius = n
Volume 2.4456347308321E+26
Surface area 1.8912336506255E+18
Circumference 2437516306.2074

Square

Length = n
Perimeter 1551771076
Area 150499592019387361
Diagonal 548633925.34437

Cube

Length = n
Surface area 902997552116324166
Volume 5.8385228461371E+25
Space diagonal 671936586.33696

Equilateral Triangle

Length = n
Perimeter 1163828307
Area 6.5168234973992E+16
Altitude 335968293.16848

Triangular Pyramid

Length = n
Surface area 6.5168234973992E+16
Volume 6.8807651610269E+24
Height 182877975.11479