2487991 (number)

2487991 is an odd 7-digits composite number following 2487990 and preceding 2487992. In scientific notation, it is written as 2.487991 × 10^6. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 2200320 positive integers (up to 2487991) that are relatively prime to 2487991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.487991 × 10^6
Engineering notation 2.487991 × 10^6

Prime Factorization of 2487991

Prime Factorization 407 × 6113

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2487991
Product of the distinct prime numbers

The prime factorization of 2487991 is 407 × 6113. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2487991)

Multiplication

n×y
n×2 4975982
n×3 7463973
n×4 9951964
n×5 12439955

Division

n÷y
n÷2 1243995.5
n÷3 829330.33333333
n÷3 621997.75
n÷5 497598.2

Exponentiation

ny
n2 6190099216081
n3 1.5400911138717E+19
n4 3.8317328304927E+25
n5 9.5333167966703E+31

Nth Root

y√n
2√n 1577.3366793427
3√n 135.50321565695
4√n 39.715698147493
5√n 19.018215360614

Divisors of 2487991

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 -2487990
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 2487991 can be divided by 4 positive divisors. The sum of these divisors (counting 2487991) is 1, the average is 0.25.

Base conversion 2487991

Base System Value
2 Binary 1001011111011010110111
3 Ternary 11200101212211
4 Quaternary 21133122313
5 Quinary 1114103431
6 Senary 125154251
8 Octal 11373267
10 Decimal 2487991
12 Duodecimal 9bb987
16 Hexadecimal 25f6b7
20 Vigesimal fajjb
36 Base36 1hbqv

Cryptographic Hash Functions

md5 5bda9d009c63b0c1e43f36d88c5c9ae5
sha1 4028d0f18beb937bc3c2708069b9de5b53107c4b
sha256 3945e718fed607c9f0f5927d154a5859568569166f31fadfef821285e5dcfa08
sha512 60758a25c5aa85aee3d86f077f5b8cb4d819528e3404b27d22c5ad6469b4249f61a151daa76036a3337a1b41d3219568cd561073927b5b82fc7149e9c7c38df8
ripemd-160 62a75a569f18c2f0ddfdc2b33c97d39e668f6327

2487991 as geometric shapes

Circle

Radius = n
Diameter 4975982
Circumference 15632508.495595
Area 19446770222232

Sphere

Radius = n
Volume 6.4511185722642E+19
Surface area 77787080888928
Circumference 15632508.495595

Square

Length = n
Perimeter 9951964
Area 6190099216081
Diagonal 3518550.6152622

Cube

Length = n
Surface area 37140595296486
Volume 1.5400911138717E+19
Space diagonal 4309326.8207741

Equilateral Triangle

Length = n
Perimeter 7463973
Area 2680391586536.1
Altitude 2154663.410387

Triangular Pyramid

Length = n
Surface area 2680391586536.1
Volume 1.815014783773E+18
Height 1172850.2050874