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

21409521 (number)

21409521 is an odd 8-digits composite number following 21409520 and preceding 21409522. In scientific notation, it is written as 2.1409521 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 12233928 positive integers (up to 21409521) that are relatively prime to 21409521.

Interesting facts

21409521 has 12 divisors, whose sum is 33206832
The reverse of 21409521 is 12590412
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-one million four hundred nine thousand five hundred twenty-one

Notation

Scientific notation	2.1409521 × 10^7
Engineering notation	2.1409521 × 10^6

Prime Factorization of 21409521

Prime Factorization 7 × 3 × 7 × 145643

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	3058503	Product of the distinct prime numbers

The prime factorization of 21409521 is 7 × 3 × 7 × 145643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 91, 42, 11, 891, 4363, 9175, 59617, 18522, 320862, 158347, 684947, 549159, 18538401, 65368833, 720101783, 587728593, 3223650693, 7171772522

Basic calculations (n = 21409521)

Multiplication

n×y

n×2	42819042
n×3	64228563
n×4	85638084
n×5	107047605

Division

n÷y

n÷2	10704760.5
n÷3	7136507
n÷3	5352380.25
n÷5	4281904.2

Exponentiation

n^y

n²	458367589449441
n³	9.8134305320372E+21
n⁴	2.1010084705769E+29
n⁵	4.4981584971994E+36

Nth Root

^y√n

²√n	4627.0423598666
³√n	277.67427734555
⁴√n	68.022366614714
⁵√n	29.249698253895

Divisors of 21409521

1, 3, 7, 21, 49, 147, 145643, 436929, 1019501, 3058503, 7136507, 21409521

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21409520	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21409521 can be divided by 12 positive divisors. The sum of these divisors (counting 21409521) is 1, the average is 0.083333333333333.

Base conversion 21409521

Base	System	Value
2	Binary	1010001101010111011110001
3	Ternary	1111021201100020
4	Quaternary	1101222323301
5	Quinary	20440101041
6	Senary	2042514053
8	Octal	121527361
10	Decimal	21409521
12	Duodecimal	7205929
16	Hexadecimal	146aef1
20	Vigesimal	6dg3g1
36	Base36	cqvox

Cryptographic Hash Functions

md5	24743021bc89852861b29f66be2fe95f
sha1	b784f311afa99e3fca56ef4a1961c78d05b3b241
sha256	3153c3c9ed4db7647268111cc54b5c210944e55abbbd144c0a53882e36189935
sha512	76efc419f8c3538ad3794fb3786179467bc7be3e2926db7f17c2645d7855b2575765964bc9e72fc1598ed6ef6b80010107163d8cd07b40ca4916bad6d47931b8
ripemd-160	3568d16c51d0d3fb0d9c656404154056e54b0889

21409521 as geometric shapes

Circle

Radius = n

Diameter	42819042
Circumference	134519987.78095
Area	1.440004251658E+15

Sphere

Radius = n

Volume	4.1106401687949E+22
Surface area	5.7600170066321E+15
Circumference	134519987.78095

Square

Length = n

Perimeter	85638084
Area	458367589449441
Diagonal	30277634.962112

Cube

Length = n

Surface area	2750205536696646
Volume	9.8134305320372E+21
Space diagonal	37082378.137713

Equilateral Triangle

Length = n

Perimeter	64228563
Area	1.9847898836733E+14
Altitude	18541189.068856

Triangular Pyramid

Length = n

Surface area	1.9847898836733E+14
Volume	1.1565238793178E+21
Height	10092544.987371