387890 (number)

387890 is an even 6-digits composite number following 387889 and preceding 387891. In scientific notation, it is written as 3.87890 × 10^5. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 152880 positive integers (up to 387890) that are relatively prime to 387890.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven thousand eight hundred ninety

Notation

Scientific notation 3.87890 × 10^5
Engineering notation 3.87890 × 10^3

Prime Factorization of 387890

Prime Factorization 2 × 5 × 79 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 387890
Product of the distinct prime numbers

The prime factorization of 387890 is 2 × 5 × 79 × 491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 387890)

Multiplication

n×y
n×2 775780
n×3 1163670
n×4 1551560
n×5 1939450

Division

n÷y
n÷2 193945
n÷3 129296.66666667
n÷3 96972.5
n÷5 77578

Exponentiation

ny
n2 150458652100
n3 58361406563069000
n4 2.2637805991749E+22
n5 8.7809785661395E+27

Nth Root

y√n
2√n 622.80815665821
3√n 72.929437037688
4√n 24.956124632206
5√n 13.114197404032

Divisors of 387890

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 -387889
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 387890 can be divided by 16 positive divisors. The sum of these divisors (counting 387890) is 1, the average is 0.0625.

Base conversion 387890

Base System Value
2 Binary 1011110101100110010
3 Ternary 201201002022
4 Quaternary 1132230302
5 Quinary 44403030
6 Senary 12151442
8 Octal 1365462
10 Decimal 387890
12 Duodecimal 168582
16 Hexadecimal 5eb32
20 Vigesimal 289ea
36 Base36 8baq

Cryptographic Hash Functions

md5 a6742bf89f24a98ed87292369ecba5cb
sha1 69b8b88f7cb78a6e96f14ec7faa16e55d827e7c4
sha256 8db97820c11cdfa65756c3b753bdf085c1d974d1874e01ac837504130323d64b
sha512 68b2800c0ebb1ebe5fb0a59788d334b7e25cffa1be05d7d8c30052657f56be78a9c405885cd5ee51654296003137fdaa70ce81aeae8aec9aa7560b8806411d4d
ripemd-160 dcbfef74bb910361d073382585430bd885505970

387890 as geometric shapes

Circle

Radius = n
Diameter 775780
Circumference 2437184.7488019
Area 472679796106.38

Sphere

Radius = n
Volume 2.4446368814894E+17
Surface area 1890719184425.5
Circumference 2437184.7488019

Square

Length = n
Perimeter 1551560
Area 150458652100
Diagonal 548559.2987089

Cube

Length = n
Surface area 902751912600
Volume 58361406563069000
Space diagonal 671845.18774789

Equilateral Triangle

Length = n
Perimeter 1163670
Area 65150507468.882
Altitude 335922.59387395

Triangular Pyramid

Length = n
Surface area 65150507468.882
Volume 6.8779577233885E+15
Height 182853.09956963