1986987 (number)

1986987 is an odd 7-digits composite number following 1986986 and preceding 1986988. In scientific notation, it is written as 1.986987 × 10^6. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 1270080 positive integers (up to 1986987) that are relatively prime to 1986987.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-six thousand nine hundred eighty-seven

Notation

Scientific notation 1.986987 × 10^6
Engineering notation 1.986987 × 10^6

Prime Factorization of 1986987

Prime Factorization 3 × 43 × 73 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1986987
Product of the distinct prime numbers

The prime factorization of 1986987 is 3 × 43 × 73 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1986987)

Multiplication

n×y
n×2 3973974
n×3 5960961
n×4 7947948
n×5 9934935

Division

n÷y
n÷2 993493.5
n÷3 662329
n÷3 496746.75
n÷5 397397.4

Exponentiation

ny
n2 3948117338169
n3 7844857825416406803
n4 1.5587630515951E+25
n5 3.0972419195997E+31

Nth Root

y√n
2√n 1409.6052638948
3√n 125.71825431441
4√n 37.544710198573
5√n 18.181889128276

Divisors of 1986987

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 -1986986
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 1986987 can be divided by 16 positive divisors. The sum of these divisors (counting 1986987) is 1, the average is 0.0625.

Base conversion 1986987

Base System Value
2 Binary 111100101000110101011
3 Ternary 10201221122010
4 Quaternary 13211012223
5 Quinary 1002040422
6 Senary 110331003
8 Octal 7450653
10 Decimal 1986987
12 Duodecimal 7b9a63
16 Hexadecimal 1e51ab
20 Vigesimal c8797
36 Base36 16l63

Cryptographic Hash Functions

md5 5dd089e52570b6ba11f5a4d3c29b13b7
sha1 088dd749bcff795b6e3b0ec2a26e836850e2e12c
sha256 ec2ab365bc726755905c0664e28398ce6d001467d8bfd010e84ed862d37b4629
sha512 2f45cbf0b5d556e5a68dd6c6d39b3eb7290f5b1ca9c77a4d2a87efe01844e7cd9f7d4511d119706d0181813f72f55a74144983b1960cc8e421d35a22516788dd
ripemd-160 42dc0c09a2360539804543affad54852430ba69d

1986987 as geometric shapes

Circle

Radius = n
Diameter 3973974
Circumference 12484607.523957
Area 12403376425102

Sphere

Radius = n
Volume 3.2860463617046E+19
Surface area 49613505700409
Circumference 12484607.523957

Square

Length = n
Perimeter 7947948
Area 3948117338169
Diagonal 2810023.963659

Cube

Length = n
Surface area 23688704029014
Volume 7844857825416406803
Space diagonal 3441562.4379789

Equilateral Triangle

Length = n
Perimeter 5960961
Area 1709584955988.1
Altitude 1720781.2189894

Triangular Pyramid

Length = n
Surface area 1709584955988.1
Volume 9.2452536096605E+17
Height 936674.65455301