387942720 (number)

387942720 is an even 9-digits composite number following 387942719 and preceding 387942721. In scientific notation, it is written as 3.87942720 × 10^8. The sum of its digits is 42. It has a total of 9 prime factors and 56 positive divisors. There are 88473600 positive integers (up to 387942720) that are relatively prime to 387942720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.87942720 × 10^8
Engineering notation 3.87942720 × 10^6

Prime Factorization of 387942720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 255 × 11 × 2161

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 12123210
Product of the distinct prime numbers

The prime factorization of 387942720 is 2 × 2 × 2 × 2 × 2 × 2 × 255 × 11 × 2161. Since it has a total of 9 prime factors.

Most popular turbo-numbers

7, 8, 21, 58, 177, 132, 3435, 5904, 21022, 85309, 599241, 637927, 9500583, 5251510, 77714440, 66820795, 339118689, 479484045, 9684632476, 4533250481

Basic calculations (n = 387942720)

Multiplication

n×y
n×2 775885440
n×3 1163828160
n×4 1551770880
n×5 1939713600

Division

n÷y
n÷2 193971360
n÷3 129314240
n÷3 96985680
n÷5 77588544

Exponentiation

ny
n2 150499554000998400
n3 5.8385206337934E+25
n4 2.2650115754499E+34
n5 8.7869475141154E+42

Nth Root

y√n
2√n 19696.261574218
3√n 729.32740951807
4√n 140.34337025388
5√n 52.209979332269

Divisors of 387942720

1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 255, 352, 510, 704, 1020, 2040, 2161, 2805, 4080, 4322, 5610, 8160, 8644, 11220, 16320, 17288, 22440, 23771, 34576, 44880, 47542, 69152, 89760, 95084, 138304, 179520, 190168, 380336, 551055, 760672, 1102110, 1521344, 2204220, 4408440, 6061605, 8816880, 12123210, 17633760, 24246420, 35267520, 48492840, 96985680, 193971360, 387942720

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -387942719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 387942720 can be divided by 56 positive divisors. The sum of these divisors (counting 387942720) is 1, the average is 0.017857142857143.

Base conversion 387942720

Base System Value
2 Binary 10111000111111000100101000000
3 Ternary 1000000222112100220
4 Quaternary 113013320211000
5 Quinary 1243303131340
6 Senary 102254543040
8 Octal 2707704500
10 Decimal 387942720
12 Duodecimal a9b07a80
16 Hexadecimal 171f8940
20 Vigesimal 614cgg0
36 Base36 6eyyio

Cryptographic Hash Functions

md5 9905efb67a00d1399a5fef4289d2a8d9
sha1 af191f5fb54d2fcb4fed67ae7da36b0ec8cf5486
sha256 8a55b5f732a9c26dd3b3b348a20f2befcc15e41e0b1965f20d6e6355bd7bf748
sha512 625e795f1727cfd77cb5ea2bda0cc20411cb348bbe7ce2e3065dfda3fe259717fd795459f17c6d17f4ee0f0177e0f86c77117a38e5120c81e70e485148152858
ripemd-160 babe7a6123c318ac6cef1c62ab4db04d43e31373

387942720 as geometric shapes

Circle

Radius = n
Diameter 775885440
Circumference 2437515998.3313
Area 4.7280829321808E+17

Sphere

Radius = n
Volume 2.4456338041277E+26
Surface area 1.8912331728723E+18
Circumference 2437515998.3313

Square

Length = n
Perimeter 1551770880
Area 150499554000998400
Diagonal 548633856.04791

Cube

Length = n
Surface area 902997324005990400
Volume 5.8385206337934E+25
Space diagonal 671936501.46647

Equilateral Triangle

Length = n
Perimeter 1163828160
Area 6.5168218511546E+16
Altitude 335968250.73323

Triangular Pyramid

Length = n
Surface area 6.5168218511546E+16
Volume 6.8807625537548E+24
Height 182877952.01597