387789721 (number)

387789721 is an odd 9-digits composite number following 387789720 and preceding 387789722. In scientific notation, it is written as 3.87789721 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 349240320 positive integers (up to 387789721) that are relatively prime to 387789721.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million seven hundred eighty-nine thousand seven hundred twenty-one

Notation

Scientific notation 3.87789721 × 10^8
Engineering notation 3.87789721 × 10^6

Prime Factorization of 387789721

Prime Factorization 11 × 107 × 329473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 387789721
Product of the distinct prime numbers

The prime factorization of 387789721 is 11 × 107 × 329473. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 35, 85, 385, 211, 2506, 5527, 64937, 58558, 988244, 676030, 7689356, 6263398, 86330956, 63234373, 745103891, 637384294, 8935669558, 6384574356

Basic calculations (n = 387789721)

Multiplication

n×y
n×2 775579442
n×3 1163369163
n×4 1551158884
n×5 1938948605

Division

n÷y
n÷2 193894860.5
n÷3 129263240.33333
n÷3 96947430.25
n÷5 77557944.2

Exponentiation

ny
n2 150380867713257841
n3 5.8316154734262E+25
n4 2.2614405374192E+34
n5 8.769633950639E+42

Nth Root

y√n
2√n 19692.377230797
3√n 729.23151818228
4√n 140.32953085789
5√n 52.205860510254

Divisors of 387789721

1, 11, 107, 1177, 329473, 3624203, 35253611, 387789721

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 -387789720
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 387789721 can be divided by 8 positive divisors. The sum of these divisors (counting 387789721) is 1, the average is 0.125.

Base conversion 387789721

Base System Value
2 Binary 10111000111010011001110011001
3 Ternary 1000000200202111021
4 Quaternary 113013103032121
5 Quinary 1243233232341
6 Senary 102251402441
8 Octal 2707231631
10 Decimal 387789721
12 Duodecimal a9a53421
16 Hexadecimal 171d3399
20 Vigesimal 613de61
36 Base36 6evogp

Cryptographic Hash Functions

md5 f64985d7c4242e522db104f46a043e71
sha1 4c27970e5252314e8b1348e90622fa43ebe8a2ab
sha256 0af3e5d29f65e1104a8fce93306c93819a9c064f67ab7f203daa3cac909e1b80
sha512 8df897ba1c3a681d64ad442bc9526e938cb98aed7313c3511d89bcd9b9d8630b10519f095a6dc871548fd8e35b44a38be864f83ab3b460bdc12e44132a0256b0
ripemd-160 72c775385eb257553533cb85ce2abaa813c2939e

387789721 as geometric shapes

Circle

Radius = n
Diameter 775579442
Circumference 2436554677.2625
Area 4.7243542924843E+17

Sphere

Radius = n
Volume 2.4427413773168E+26
Surface area 1.8897417169937E+18
Circumference 2436554677.2625

Square

Length = n
Perimeter 1551158884
Area 150380867713257841
Diagonal 548417482.78708

Cube

Length = n
Surface area 902285206279547046
Volume 5.8316154734262E+25
Space diagonal 671671499.42496

Equilateral Triangle

Length = n
Perimeter 1163369163
Area 6.5116825841414E+16
Altitude 335835749.71248

Triangular Pyramid

Length = n
Surface area 6.5116825841414E+16
Volume 6.8726247442201E+24
Height 182805827.59569