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

21002890 (number)

21002890 is an even 8-digits composite number following 21002889 and preceding 21002891. In scientific notation, it is written as 2.1002890 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 8222224 positive integers (up to 21002890) that are relatively prime to 21002890.

Interesting facts

21002890 has 16 divisors, whose sum is 38610432
The reverse of 21002890 is 09820012
Previous prime number is 47

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty-one million two thousand eight hundred ninety

Notation

Scientific notation	2.1002890 × 10^7
Engineering notation	2.1002890 × 10^6

Prime Factorization of 21002890

Prime Factorization 2 × 5 × 47 × 44687

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21002890	Product of the distinct prime numbers

The prime factorization of 21002890 is 2 × 5 × 47 × 44687. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 14, 44, 460, 616, 9803, 5608, 8993, 92878, 306448, 31723, 1548759, 1287459, 53676747, 68625650, 323035606, 412998326, 2762402509, 4054384720

Basic calculations (n = 21002890)

Multiplication

n×y

n×2	42005780
n×3	63008670
n×4	84011560
n×5	105014450

Division

n÷y

n÷2	10501445
n÷3	7000963.3333333
n÷3	5250722.5
n÷5	4200578

Exponentiation

n^y

n²	441121388352100
n³	9.2648239962064E+21
n⁴	1.9458807926168E+29
n⁵	4.0869120240444E+36

Nth Root

^y√n

²√n	4582.8910089593
³√n	275.90507307484
⁴√n	67.69705317781
⁵√n	29.137736501057

Divisors of 21002890

1, 2, 5, 10, 47, 94, 235, 470, 44687, 89374, 223435, 446870, 2100289, 4200578, 10501445, 21002890

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	-21002889	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 21002890 can be divided by 16 positive divisors. The sum of these divisors (counting 21002890) is 1, the average is 0.0625.

Base conversion 21002890

Base	System	Value
2	Binary	1010000000111101010001010
3	Ternary	1110112001112211
4	Quaternary	1100013222022
5	Quinary	20334043030
6	Senary	2030055334
8	Octal	120075212
10	Decimal	21002890
12	Duodecimal	704a54a
16	Hexadecimal	1407a8a
20	Vigesimal	6b574a
36	Base36	ci5xm

Cryptographic Hash Functions

md5	4f0027fa74e1e56af9abdadf9511e075
sha1	c1312e826a81685c709b660f76b212a567a5d9fc
sha256	beff72deb638736d37b3451317479d72c8db4eb34b13f6346543c47f63eedd8c
sha512	ad567333fc1bbac7cfc44ca7ea17c9ba9b3ae285eba00d7b19a991db1986f8920d6c51c55215213449894e2f850c89a38755ba28115175b6e115ad010c0fe5ec
ripemd-160	e809156c641f1f1fe3fcaf743b54c2a54ace3c8f

21002890 as geometric shapes

Circle

Radius = n

Diameter	42005780
Circumference	131965049.85631
Area	1.3858237129883E+15

Sphere

Radius = n

Volume	3.8808404004379E+22
Surface area	5.5432948519532E+15
Circumference	131965049.85631

Square

Length = n

Perimeter	84011560
Area	441121388352100
Diagonal	29702571.88703

Cube

Length = n

Surface area	2646728330112600
Volume	9.2648239962064E+21
Space diagonal	36378072.58578

Equilateral Triangle

Length = n

Perimeter	63008670
Area	1.9101116423279E+14
Altitude	18189036.29289

Triangular Pyramid

Length = n

Surface area	1.9101116423279E+14
Volume	1.0918699790362E+21
Height	9900857.2956768