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

21000521 (number)

21000521 is an odd 8-digits composite number following 21000520 and preceding 21000522. In scientific notation, it is written as 2.1000521 × 10^7. The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors. There are 20954112 positive integers (up to 21000521) that are relatively prime to 21000521.

Interesting facts

21000521 has 4 divisors, whose sum is 21046932
The reverse of 21000521 is 12500012
Previous prime number is 457

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2

Name

Name	twenty-one million five hundred twenty-one

Notation

Scientific notation	2.1000521 × 10^7
Engineering notation	2.1000521 × 10^6

Prime Factorization of 21000521

Prime Factorization 457 × 45953

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000521	Product of the distinct prime numbers

The prime factorization of 21000521 is 457 × 45953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 31, 12, 45, 126, 2534, 6742, 58249, 81742, 239724, 446196, 6700277, 4490101, 42160932, 32379814, 798752467, 72186747, 2637066487, 2135327178

Basic calculations (n = 21000521)

Multiplication

n×y

n×2	42001042
n×3	63001563
n×4	84002084
n×5	105002605

Division

n÷y

n÷2	10500260.5
n÷3	7000173.6666667
n÷3	5250130.25
n÷5	4200104.2

Exponentiation

n^y

n²	441021882271441
n³	9.2616893001009E+21
n⁴	1.9450030064224E+29
n⁵	4.0846076481438E+36

Nth Root

^y√n

²√n	4582.6325403637
³√n	275.89469920575
⁴√n	67.695144141686
⁵√n	29.137079159022

Divisors of 21000521

1, 457, 45953, 21000521

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	-21000520	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 21000521 can be divided by 4 positive divisors. The sum of these divisors (counting 21000521) is 1, the average is 0.25.

Base conversion 21000521

Base	System	Value
2	Binary	1010000000111000101001001
3	Ternary	1110111221022002
4	Quaternary	1100013011021
5	Quinary	20334004041
6	Senary	2030040345
8	Octal	120070511
10	Decimal	21000521
12	Duodecimal	70490b5
16	Hexadecimal	1407149
20	Vigesimal	6b5161
36	Base36	ci43t

Cryptographic Hash Functions

md5	62f13d3598c6d17112edbf6b3c360c0e
sha1	b03c25db8c4e2dc0c97b5bd3410b5f25e216e5c6
sha256	281de255eac7ee051da19365abe7e592e98d554384073452229e0ae7dea04c6c
sha512	de0e60c8f1b6882b67dcda3d1017ada069a5ad82f28ff05ea84c9d18602d21204deba018b5f697a882a608b1396275b3f59c4c3891f4c5416b10f34aaaaea62f
ripemd-160	87cc640c49d7dc880422a88fe301ea2807d05a51

21000521 as geometric shapes

Circle

Radius = n

Diameter	42001042
Circumference	131950164.99032
Area	1.3855111054163E+15

Sphere

Radius = n

Volume	3.8795273420038E+22
Surface area	5.5420444216652E+15
Circumference	131950164.99032

Square

Length = n

Perimeter	84002084
Area	441021882271441
Diagonal	29699221.615101

Cube

Length = n

Surface area	2646131293628646
Volume	9.2616893001009E+21
Space diagonal	36373969.357417

Equilateral Triangle

Length = n

Perimeter	63001563
Area	1.9096807683595E+14
Altitude	18186984.678709

Triangular Pyramid

Length = n

Surface area	1.9096807683595E+14
Volume	1.0915005515574E+21
Height	9899740.538367