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

2021681 (number)

2021681 is an odd 7-digits composite number following 2021680 and preceding 2021682. In scientific notation, it is written as 2.021681 × 10^6. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 2013732 positive integers (up to 2021681) that are relatively prime to 2021681.

Interesting facts

2021681 has 4 divisors, whose sum is 2029632
The reverse of 2021681 is 1861202
Previous prime number is 263

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 20
Digital Root 2

Name

Name	two million twenty-one thousand six hundred eighty-one

Notation

Scientific notation	2.021681 × 10^6
Engineering notation	2.021681 × 10^6

Prime Factorization of 2021681

Prime Factorization 263 × 7687

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	2021681	Product of the distinct prime numbers

The prime factorization of 2021681 is 263 × 7687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 22, 85, 457, 383, 3845, 3232, 44669, 30566, 998729, 539160, 4415305, 1038453, 90628093, 16797218, 860210228, 40321563, 8725335328, 3569161378

Basic calculations (n = 2021681)

Multiplication

n×y

n×2	4043362
n×3	6065043
n×4	8086724
n×5	10108405

Division

n÷y

n÷2	1010840.5
n÷3	673893.66666667
n÷3	505420.25
n÷5	404336.2

Exponentiation

n^y

n²	4087194065761
n³	8263002586061764241
n⁴	1.6705155331192E+25
n⁵	3.3772495135119E+31

Nth Root

^y√n

²√n	1421.8582911106
³√n	126.44574217053
⁴√n	37.707536264129
⁵√n	18.244943630645

Divisors of 2021681

1, 263, 7687, 2021681

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	-2021680	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 2021681 can be divided by 4 positive divisors. The sum of these divisors (counting 2021681) is 1, the average is 0.25.

Base conversion 2021681

Base	System	Value
2	Binary	111101101100100110001
3	Ternary	10210201020002
4	Quaternary	13231210301
5	Quinary	1004143211
6	Senary	111155345
8	Octal	7554461
10	Decimal	2021681
12	Duodecimal	815b55
16	Hexadecimal	1ed931
20	Vigesimal	cce41
36	Base36	17bxt

Cryptographic Hash Functions

md5	feb9bd15c4b5db04277fb6ac9346bb1a
sha1	acf1f99825dc5c21b30fde157ac555e32debf171
sha256	5b991e4dd73f7ad25a8d06e7d4fc0e6aea7cf55fc4227e8854a89059fa9dbf40
sha512	adcefc8d248cd84bea1a46964669f5b4da98f91ebb9ad3c086eca94350dfbe654401bed4379258f084dc1c5e19f3a74bfa57b9da993aecd480815c704258bb60
ripemd-160	81eb9e628a367d93a6cc70eaf3db9ab1eda20f75

2021681 as geometric shapes

Circle

Radius = n

Diameter	4043362
Circumference	12702596.355004
Area	12840298850791

Sphere

Radius = n

Volume	3.461198429462E+19
Surface area	51361195403162
Circumference	12702596.355004

Square

Length = n

Perimeter	8086724
Area	4087194065761
Diagonal	2859088.688992

Cube

Length = n

Surface area	24523164394566
Volume	8263002586061764241
Space diagonal	3501654.2086967

Equilateral Triangle

Length = n

Perimeter	6065043
Area	1769806945573
Altitude	1750827.1043483

Triangular Pyramid

Length = n

Surface area	1769806945573
Volume	9.7380419359438E+17
Height	953029.56299733