Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

2021987 (number)

2021987 is an odd 7-digits composite number following 2021986 and preceding 2021988. In scientific notation, it is written as 2.021987 × 10^6. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 1798600 positive integers (up to 2021987) that are relatively prime to 2021987.

Interesting facts

2021987 has 8 divisors, whose sum is 2253312
The reverse of 2021987 is 7891202
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 29
Digital Root 2

Name

Name	two million twenty-one thousand nine hundred eighty-seven

Notation

Scientific notation	2.021987 × 10^6
Engineering notation	2.021987 × 10^6

Prime Factorization of 2021987

Prime Factorization 11 × 47 × 3911

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	2021987	Product of the distinct prime numbers

The prime factorization of 2021987 is 11 × 47 × 3911. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 91, 43, 557, 830, 7503, 8326, 72447, 48376, 424611, 911497, 4287499, 4288197, 86770934, 99426990, 994149872, 641277275, 4897825779, 2992848038

Basic calculations (n = 2021987)

Multiplication

n×y

n×2	4043974
n×3	6065961
n×4	8087948
n×5	10109935

Division

n÷y

n÷2	1010993.5
n÷3	673995.66666667
n÷3	505496.75
n÷5	404397.4

Exponentiation

n^y

n²	4088431428169
n³	8266755198149151803
n⁴	1.671527154284E+25
n⁵	3.3798061761092E+31

Nth Root

^y√n

²√n	1421.9658926993
³√n	126.45212142376
⁴√n	37.708963028692
⁵√n	18.245495905189

Divisors of 2021987

1, 11, 47, 517, 3911, 43021, 183817, 2021987

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	-2021986	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 2021987 can be divided by 8 positive divisors. The sum of these divisors (counting 2021987) is 1, the average is 0.125.

Base conversion 2021987

Base	System	Value
2	Binary	111101101101001100011
3	Ternary	10210201122102
4	Quaternary	13231221203
5	Quinary	1004200422
6	Senary	111201015
8	Octal	7555143
10	Decimal	2021987
12	Duodecimal	81616b
16	Hexadecimal	1eda63
20	Vigesimal	ccej7
36	Base36	17c6b

Cryptographic Hash Functions

md5	dd68abb032c675940c505c658e31dbef
sha1	1f4d41b9bceeca499e6a48043b4fb020aee4a246
sha256	bd53d934aa6c30e04e90b1caf7ebcd22f13f2e13f230d703e9f92cd621dbd88c
sha512	63fdd8cec721a1bdca2ef25584df38d0b2e947388b14a452d9ede5b080486a51eda5a0cd0d48f4932646944c7e542fc1c79af4298fadad0f9bee84d58bcdb837
ripemd-160	2f88a56dc1897092fb968276b7f6ecf0e265da5d

2021987 as geometric shapes

Circle

Radius = n

Diameter	4043974
Circumference	12704519.009708
Area	12844186139441

Sphere

Radius = n

Volume	3.4627703199374E+19
Surface area	51376744557765
Circumference	12704519.009708

Square

Length = n

Perimeter	8087948
Area	4088431428169
Diagonal	2859521.4383421

Cube

Length = n

Surface area	24530588569014
Volume	8266755198149151803
Space diagonal	3502184.2162438

Equilateral Triangle

Length = n

Perimeter	6065961
Area	1770342739212.5
Altitude	1751092.1081219

Triangular Pyramid

Length = n

Surface area	1770342739212.5
Volume	9.7424644317007E+17
Height	953173.8127807