2887989 (number)

2887989 is an odd 7-digits composite number following 2887988 and preceding 2887990. In scientific notation, it is written as 2.887989 × 10^6. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 1777200 positive integers (up to 2887989) that are relatively prime to 2887989.

Interesting facts

Basic properties

Name

Name two million eight hundred eighty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 2.887989 × 10^6
Engineering notation 2.887989 × 10^6

Prime Factorization of 2887989

Prime Factorization 3 × 13 × 74051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2887989
Product of the distinct prime numbers

The prime factorization of 2887989 is 3 × 13 × 74051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2887989)

Multiplication

n×y
n×2 5775978
n×3 8663967
n×4 11551956
n×5 14439945

Division

n÷y
n÷2 1443994.5
n÷3 962663
n÷3 721997.25
n÷5 577597.8

Exponentiation

ny
n2 8340480464121
n3 2.4087215835096E+19
n4 6.9563614372384E+25
n5 2.0089895310769E+32

Nth Root

y√n
2√n 1699.4084264826
3√n 142.40716637439
4√n 41.223881749328
5√n 19.593819679251

Divisors of 2887989

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 -2887988
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 2887989 can be divided by 8 positive divisors. The sum of these divisors (counting 2887989) is 1, the average is 0.125.

Base conversion 2887989

Base System Value
2 Binary 1011000001000100110101
3 Ternary 12102201120120
4 Quaternary 23001010311
5 Quinary 1214403424
6 Senary 141522153
8 Octal 13010465
10 Decimal 2887989
12 Duodecimal b73359
16 Hexadecimal 2c1135
20 Vigesimal i0jj9
36 Base36 1pwdx

Cryptographic Hash Functions

md5 2fc0a8caba50ffbcd9f671ddb42a5a52
sha1 ee5f11385ffef855c709e537a5d1ae12e5c26fa4
sha256 d54e4458ff6d791a656c8658d83241236bccb9ad41ad21ced74a49ddbdbd3730
sha512 783230be5d3a70bdf1f4aae2f85459e025b8f395bf547472abb71254eb36d2a85f4a1600fcd034b6d08bd417c7969cb873c724af1a93b121c47f058b39136945
ripemd-160 087ae220db675716e94e5baff20b33fa19c7ffa0

2887989 as geometric shapes

Circle

Radius = n
Diameter 5775978
Circumference 18145770.052096
Area 26202392153492

Sphere

Radius = n
Volume 1.0089629375063E+20
Surface area 1.0480956861397E+14
Circumference 18145770.052096

Square

Length = n
Perimeter 11551956
Area 8340480464121
Diagonal 4084233.2117843

Cube

Length = n
Surface area 50042882784726
Volume 2.4087215835096E+19
Space diagonal 5002143.6797

Equilateral Triangle

Length = n
Perimeter 8663967
Area 3611533980848.3
Altitude 2501071.83985

Triangular Pyramid

Length = n
Surface area 3611533980848.3
Volume 2.8387056094834E+18
Height 1361411.0705948