387396905 (number)

387396905 is an odd 9-digits composite number following 387396904 and preceding 387396906. In scientific notation, it is written as 3.87396905 × 10^8. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 256550400 positive integers (up to 387396905) that are relatively prime to 387396905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.87396905 × 10^8
Engineering notation 3.87396905 × 10^6

Prime Factorization of 387396905

Prime Factorization 205 × 7 × 103 × 2621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 387396905
Product of the distinct prime numbers

The prime factorization of 387396905 is 205 × 7 × 103 × 2621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 20, 41, 519, 721, 4801, 4789, 15949, 38185, 265650, 404312, 3288002, 7477053, 53228809, 56492068, 675334932, 898683671, 4908896000, 8357066855

Basic calculations (n = 387396905)

Multiplication

n×y
n×2 774793810
n×3 1162190715
n×4 1549587620
n×5 1936984525

Division

n÷y
n÷2 193698452.5
n÷3 129132301.66667
n÷3 96849226.25
n÷5 77479381

Exponentiation

ny
n2 150076362003579025
n3 5.8139118153846E+25
n4 2.2522914432229E+34
n5 8.7253073426255E+42

Nth Root

y√n
2√n 19682.400895216
3√n 728.98520721424
4√n 140.29398025295
5√n 52.195279718405

Divisors of 387396905

1, 7, 103, 205, 721, 1435, 2621, 18347, 21115, 147805, 269963, 537305, 1889741, 3761135, 55342415, 387396905

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 -387396904
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 387396905 can be divided by 16 positive divisors. The sum of these divisors (counting 387396905) is 1, the average is 0.0625.

Base conversion 387396905

Base System Value
2 Binary 10111000101110011010100101001
3 Ternary 222222221210122112
4 Quaternary 113011303110221
5 Quinary 1243133200110
6 Senary 102235132105
8 Octal 2705632451
10 Decimal 387396905
12 Duodecimal a98a4035
16 Hexadecimal 17173529
20 Vigesimal 6114c55
36 Base36 6en9d5

Cryptographic Hash Functions

md5 8377bcbb9a8ed0ecd690b3c6bb49f97f
sha1 8c7333ef95debfa8152878e0a7c5faf1dcc44796
sha256 0fcd1b5c7116f030a40652a08555d1f2830200708d19fcb6cfe4c4dbc20eceef
sha512 3a596ab7b8fdf1af90dea736ab43c5eb45f4545da188f491e650dc8b0468f80ba6ed71a393348d13a8e0e4ea5ba46fc962ad2862fcaffff471a661545d3fd605
ripemd-160 de5fd1b02588c0e3495272dddde0647dc4f95afc

387396905 as geometric shapes

Circle

Radius = n
Diameter 774793810
Circumference 2434086541.5428
Area 4.7147879634793E+17

Sphere

Radius = n
Volume 2.4353256863775E+26
Surface area 1.8859151853917E+18
Circumference 2434086541.5428

Square

Length = n
Perimeter 1549587620
Area 150076362003579025
Diagonal 547861957.07236

Cube

Length = n
Surface area 900458172021474150
Volume 5.8139118153846E+25
Space diagonal 670991122.15493

Equilateral Triangle

Length = n
Perimeter 1162190715
Area 6.4984971001325E+16
Altitude 335495561.07747

Triangular Pyramid

Length = n
Surface area 6.4984971001325E+16
Volume 6.8517607831318E+24
Height 182620652.35745