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

21909521 (number)

21909521 is an odd 8-digits prime number following 21909520 and preceding 21909522. In scientific notation, it is written as 2.1909521 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 21909520 positive integers (up to 21909521) that are relatively prime to 21909521.

Interesting facts

21909521 has 2 divisors, whose sum is 21909522
The reverse of 21909521 is 12590912
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1909521 × 10^7
Engineering notation	2.1909521 × 10^6

Prime Factorization of 21909521

Prime Factorization 21909521

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21909521	Product of the distinct prime numbers

The prime factorization of 21909521 is 21909521. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 7, 52, 68, 764, 662, 7690, 9655, 70279, 64977, 803821, 52109, 9009157, 8091070, 37252772, 93110762, 651852680, 967175819, 9591242287, 1745733244

Basic calculations (n = 21909521)

Multiplication

n×y

n×2	43819042
n×3	65728563
n×4	87638084
n×5	109547605

Division

n÷y

n÷2	10954760.5
n÷3	7303173.6666667
n÷3	5477380.25
n÷5	4381904.2

Exponentiation

n^y

n²	480027110449441
n³	1.0517164056961E+22
n⁴	2.3042602676644E+29
n⁵	5.0485238723859E+36

Nth Root

^y√n

²√n	4680.7607287705
³√n	279.81927538409
⁴√n	68.416085307262
⁵√n	29.38505964483

Divisors of 21909521

1, 21909521

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21909522	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10954761	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4680.7608355907	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999087155	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909521 can be divided by 2 positive divisors. The sum of these divisors (counting 21909521) is 21909522, the average is 10954761.

Base conversion 21909521

Base	System	Value
2	Binary	1010011100101000000010001
3	Ternary	1112020010012202
4	Quaternary	1103211000101
5	Quinary	21102101041
6	Senary	2101332545
8	Octal	123450021
10	Decimal	21909521
12	Duodecimal	7407155
16	Hexadecimal	14e5011
20	Vigesimal	6gidg1
36	Base36	d1lht

Cryptographic Hash Functions

md5	7fd0bf8b7e9716bc0d8299851cd90e1a
sha1	530c457b915b9d7a77da0aacb97b351ce9575528
sha256	8af974a67aef8d66163cec2e2e6aa1f1ba18278841c0b6f48dfe03172037b68d
sha512	581aa5ae5944f378008eefe74fb2c17a27b2f5788c14ac0b550255b8a5c9517848f94a323fef570f1a0316ac3287fe84af0c07cbe567b7b946a8f4ea39253f3e
ripemd-160	2872a226d5f4f80354695516ddfbef8f73a180ff

21909521 as geometric shapes

Circle

Radius = n

Diameter	43819042
Circumference	137661580.43454
Area	1.5080496437119E+15

Sphere

Radius = n

Volume	4.4054193783931E+22
Surface area	6.0321985748476E+15
Circumference	137661580.43454

Square

Length = n

Perimeter	87638084
Area	480027110449441
Diagonal	30984741.743298

Cube

Length = n

Surface area	2880162662696646
Volume	1.0517164056961E+22
Space diagonal	37948403.541497

Equilateral Triangle

Length = n

Perimeter	65728563
Area	2.0785783607723E+14
Altitude	18974201.770749

Triangular Pyramid

Length = n

Surface area	2.0785783607723E+14
Volume	1.2394596705881E+21
Height	10328247.247766