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

21051521 (number)

21051521 is an odd 8-digits composite number following 21051520 and preceding 21051522. In scientific notation, it is written as 2.1051521 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 20669472 positive integers (up to 21051521) that are relatively prime to 21051521.

Interesting facts

21051521 has 8 divisors, whose sum is 21436320
The reverse of 21051521 is 12515012
Previous prime number is 283

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	twenty-one million fifty-one thousand five hundred twenty-one

Notation

Scientific notation	2.1051521 × 10^7
Engineering notation	2.1051521 × 10^6

Prime Factorization of 21051521

Prime Factorization 73 × 283 × 1019

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21051521	Product of the distinct prime numbers

The prime factorization of 21051521 is 73 × 283 × 1019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 42, 96, 187, 743, 4115, 6933, 66811, 72639, 38541, 60112, 9057841, 9664412, 40316972, 16414422, 710115282, 844859800, 9321710191, 1438547120

Basic calculations (n = 21051521)

Multiplication

n×y

n×2	42103042
n×3	63154563
n×4	84206084
n×5	105257605

Division

n÷y

n÷2	10525760.5
n÷3	7017173.6666667
n÷3	5262880.25
n÷5	4210304.2

Exponentiation

n^y

n²	443166536413441
n³	9.3293296478048E+21
n⁴	1.9639657899669E+29
n⁵	4.1344467070769E+36

Nth Root

^y√n

²√n	4588.1936532801
³√n	276.11785644353
⁴√n	67.736206369121
⁵√n	29.151217376245

Divisors of 21051521

1, 73, 283, 1019, 20659, 74387, 288377, 21051521

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	-21051520	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 21051521 can be divided by 8 positive divisors. The sum of these divisors (counting 21051521) is 1, the average is 0.125.

Base conversion 21051521

Base	System	Value
2	Binary	1010000010011100010000001
3	Ternary	1110121112020222
4	Quaternary	1100103202001
5	Quinary	20342122041
6	Senary	2031112425
8	Octal	120234201
10	Decimal	21051521
12	Duodecimal	7072715
16	Hexadecimal	1413881
20	Vigesimal	6bb8g1
36	Base36	cj7gh

Cryptographic Hash Functions

md5	4ad54a6a04cb936212a4d4c70b300b24
sha1	147205ebcc5d45e3cf40da3df334019733be6f66
sha256	f35b434a1e1b879b3f6b4f2493f91084975be0af50c589e44071d85afd927c61
sha512	9ac91aa471f022d898443f3da9c0b974697f2df00abfb400ec352fb1a7b7662fd33dbf2adaf7d23fff201fcc7510a0e06c0cd668da695f2996fb150e30b50e23
ripemd-160	96285357f8f9593fffae68a4581864c3e7c5a6d9

21051521 as geometric shapes

Circle

Radius = n

Diameter	42103042
Circumference	132270607.44098
Area	1.3922487351133E+15

Sphere

Radius = n

Volume	3.9078604645948E+22
Surface area	5.5689949404532E+15
Circumference	132270607.44098

Square

Length = n

Perimeter	84206084
Area	443166536413441
Diagonal	29771346.506782

Cube

Length = n

Surface area	2658999218480646
Volume	9.3293296478048E+21
Space diagonal	36462303.948603

Equilateral Triangle

Length = n

Perimeter	63154563
Area	1.918967393206E+14
Altitude	18231151.974302

Triangular Pyramid

Length = n

Surface area	1.918967393206E+14
Volume	1.0994720429812E+21
Height	9923782.1689273