2005987 (number)

2005987 is an odd 7-digits composite number following 2005986 and preceding 2005988. In scientific notation, it is written as 2.005987 × 10^6. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 1992376 positive integers (up to 2005987) that are relatively prime to 2005987.

Interesting facts

Basic properties

Name

Name two million five thousand nine hundred eighty-seven

Notation

Scientific notation 2.005987 × 10^6
Engineering notation 2.005987 × 10^6

Prime Factorization of 2005987

Prime Factorization 149 × 13463

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2005987
Product of the distinct prime numbers

The prime factorization of 2005987 is 149 × 13463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2005987)

Multiplication

n×y
n×2 4011974
n×3 6017961
n×4 8023948
n×5 10029935

Division

n÷y
n÷2 1002993.5
n÷3 668662.33333333
n÷3 501496.75
n÷5 401197.4

Exponentiation

ny
n2 4023983844169
n3 8072059279613039803
n4 1.6192445978133E+25
n5 3.2481836130337E+31

Nth Root

y√n
2√n 1416.3287047857
3√n 126.11769887306
4√n 37.634142806576
5√n 18.216528720215

Divisors of 2005987

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 -2005986
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 2005987 can be divided by 4 positive divisors. The sum of these divisors (counting 2005987) is 1, the average is 0.25.

Base conversion 2005987

Base System Value
2 Binary 111101001101111100011
3 Ternary 10202220200211
4 Quaternary 13221233203
5 Quinary 1003142422
6 Senary 110554551
8 Octal 7515743
10 Decimal 2005987
12 Duodecimal 808a57
16 Hexadecimal 1e9be3
20 Vigesimal caej7
36 Base36 16ztv

Cryptographic Hash Functions

md5 cb3703ff3cad3fc01f2ea3816d9b3076
sha1 1c13367a5e49153757a34c9405a1407a363db91c
sha256 7327d65e09dc617bf51d18966c13cf357f93bb748dac7d8702fd090aad89aeb6
sha512 a3a6fddcab3996b70626c05dc8da7b0e6c8a4e4536326c72d2229ab2356a91d565a1eb8d7b2b67eb8a441ea874c545e3d3aaf73ddc2cdc50a271d1488c0dec70
ripemd-160 bf6f9d957e91d59b6cf3e2e02424877a3f63586d

2005987 as geometric shapes

Circle

Radius = n
Diameter 4011974
Circumference 12603988.044793
Area 12641718083005

Sphere

Radius = n
Volume 3.3812162842898E+19
Surface area 50566872332021
Circumference 12603988.044793

Square

Length = n
Perimeter 8023948
Area 4023983844169
Diagonal 2836894.0213441

Cube

Length = n
Surface area 24143903065014
Volume 8072059279613039803
Space diagonal 3474471.4033227

Equilateral Triangle

Length = n
Perimeter 6017961
Area 1742436116734.3
Altitude 1737235.7016613

Triangular Pyramid

Length = n
Surface area 1742436116734.3
Volume 9.513013091257E+17
Height 945631.34044804