387938861 (number)

387938861 is an odd 9-digits composite number following 387938860 and preceding 387938862. In scientific notation, it is written as 3.87938861 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors. There are 349238208 positive integers (up to 387938861) that are relatively prime to 387938861.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million nine hundred thirty-eight thousand eight hundred sixty-one

Notation

Scientific notation 3.87938861 × 10^8
Engineering notation 3.87938861 × 10^6

Prime Factorization of 387938861

Prime Factorization 23 × 17 × 17 × 58363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 22819933
Product of the distinct prime numbers

The prime factorization of 387938861 is 23 × 17 × 17 × 58363. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 94, 43, 781, 617, 9327, 4390, 77793, 24101, 33668, 757431, 8261544, 185969, 30337962, 66482308, 717040815, 241468243, 2398902128, 6319319542

Basic calculations (n = 387938861)

Multiplication

n×y
n×2 775877722
n×3 1163816583
n×4 1551755444
n×5 1939694305

Division

n÷y
n÷2 193969430.5
n÷3 129312953.66667
n÷3 96984715.25
n÷5 77587772.2

Exponentiation

ny
n2 150496559873977321
n3 5.8383464021929E+25
n4 2.2649214533902E+34
n5 8.7865104888264E+42

Nth Root

y√n
2√n 19696.163611221
3√n 729.32499121965
4√n 140.3430212416
5√n 52.209875461722

Divisors of 387938861

1, 17, 23, 289, 391, 6647, 58363, 992171, 1342349, 16866907, 22819933, 387938861

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -387938860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 387938861 can be divided by 12 positive divisors. The sum of these divisors (counting 387938861) is 1, the average is 0.083333333333333.

Base conversion 387938861

Base System Value
2 Binary 10111000111110111101000101101
3 Ternary 1000000222100001222
4 Quaternary 113013313220231
5 Quinary 1243303020421
6 Senary 102254513125
8 Octal 2707675055
10 Decimal 387938861
12 Duodecimal a9b057a5
16 Hexadecimal 171f7a2d
20 Vigesimal 614c731
36 Base36 6eyvjh

Cryptographic Hash Functions

md5 035f7b034fa8042d464b4fa134ef050b
sha1 5a0c11af66a85566700280b9a06e54d642b60833
sha256 40b0deec4a2e7c9a7625235197533dd4017e25ed4018c21945204738559144c3
sha512 39b5760d6d0e3f8253b735cd62c886b524b45170bf1f3e4969e43b485e4f727e25475617ae0671d5ae2b8911e7523e66d13075c1639acd20b6493d6b352b4353
ripemd-160 48c11ae9ff9319126b3c1960949add7d73aa1435

387938861 as geometric shapes

Circle

Radius = n
Diameter 775877722
Circumference 2437491751.5192
Area 4.7279888689062E+17

Sphere

Radius = n
Volume 2.4455608221656E+26
Surface area 1.8911955475625E+18
Circumference 2437491751.5192

Square

Length = n
Perimeter 1551755444
Area 150496559873977321
Diagonal 548628398.59777

Cube

Length = n
Surface area 902979359243863926
Volume 5.8383464021929E+25
Space diagonal 671929817.4824

Equilateral Triangle

Length = n
Perimeter 1163816583
Area 6.5166922016515E+16
Altitude 335964908.7412

Triangular Pyramid

Length = n
Surface area 6.5166922016515E+16
Volume 6.8805572198445E+24
Height 182876132.86592