2487989 (number)

2487989 is an odd 7-digits composite number following 2487988 and preceding 2487990. In scientific notation, it is written as 2.487989 × 10^6. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 2132556 positive integers (up to 2487989) that are relatively prime to 2487989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.487989 × 10^6
Engineering notation 2.487989 × 10^6

Prime Factorization of 2487989

Prime Factorization 7 × 355427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2487989
Product of the distinct prime numbers

The prime factorization of 2487989 is 7 × 355427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2487989)

Multiplication

n×y
n×2 4975978
n×3 7463967
n×4 9951956
n×5 12439945

Division

n÷y
n÷2 1243994.5
n÷3 829329.66666667
n÷3 621997.25
n÷5 497597.8

Exponentiation

ny
n2 6190089264121
n3 1.5400873998151E+19
n4 3.8317205097786E+25
n5 9.5332784794036E+31

Nth Root

y√n
2√n 1577.3360453626
3√n 135.50317934834
4√n 39.715690166011
5√n 19.018212303011

Divisors of 2487989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2487988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2487989 can be divided by 4 positive divisors. The sum of these divisors (counting 2487989) is 1, the average is 0.25.

Base conversion 2487989

Base System Value
2 Binary 1001011111011010110101
3 Ternary 11200101212202
4 Quaternary 21133122311
5 Quinary 1114103424
6 Senary 125154245
8 Octal 11373265
10 Decimal 2487989
12 Duodecimal 9bb985
16 Hexadecimal 25f6b5
20 Vigesimal fajj9
36 Base36 1hbqt

Cryptographic Hash Functions

md5 457c1fcdd1709ae5f22fb452edc51bff
sha1 684383e257c4a6b24ce4ccdeef10d5ee2d17ce59
sha256 df2fc9112c4869c97c858b567641afeee7274b0f718769024bd063998e8b3827
sha512 f66ba7ea5d09163c83b715b4c162b878c4732b2303b4ccbd9105f0b9bf57d386cef3b2413d6526c624af34db97415234997c46e1d96fee52ec4eb4fc693e7ef2
ripemd-160 c04ac58433c101ee086f8c9ffed3447ac132fd78

2487989 as geometric shapes

Circle

Radius = n
Diameter 4975978
Circumference 15632495.929224
Area 19446738957228

Sphere

Radius = n
Volume 6.4511030148605E+19
Surface area 77786955828910
Circumference 15632495.929224

Square

Length = n
Perimeter 9951956
Area 6190089264121
Diagonal 3518547.7868351

Cube

Length = n
Surface area 37140535584726
Volume 1.5400873998151E+19
Space diagonal 4309323.3566725

Equilateral Triangle

Length = n
Perimeter 7463967
Area 2680387277211.1
Altitude 2154661.6783362

Triangular Pyramid

Length = n
Surface area 2680387277211.1
Volume 1.8150104067154E+18
Height 1172849.2622784