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

21557021 (number)

21557021 is an odd 8-digits composite number following 21557020 and preceding 21557022. In scientific notation, it is written as 2.1557021 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 21031200 positive integers (up to 21557021) that are relatively prime to 21557021.

Interesting facts

21557021 has 4 divisors, whose sum is 22082844
The reverse of 21557021 is 12075512
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.1557021 × 10^7
Engineering notation	2.1557021 × 10^6

Prime Factorization of 21557021

Prime Factorization 41 × 525781

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21557021	Product of the distinct prime numbers

The prime factorization of 21557021 is 41 × 525781. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 90, 4, 488, 157, 1526, 6613, 10978, 65899, 268916, 596652, 4172300, 6908755, 17240239, 76570919, 878156577, 22871499, 2201789493, 267594203

Basic calculations (n = 21557021)

Multiplication

n×y

n×2	43114042
n×3	64671063
n×4	86228084
n×5	107785105

Division

n÷y

n÷2	10778510.5
n÷3	7185673.6666667
n÷3	5389255.25
n÷5	4311404.2

Exponentiation

n^y

n²	464705154394441
n³	1.0017658772089E+22
n⁴	2.1595088052076E+29
n⁵	4.6552576663545E+36

Nth Root

^y√n

²√n	4642.9539088817
³√n	278.31049362188
⁴√n	68.139224451719
⁵√n	29.289890559399

Divisors of 21557021

1, 41, 525781, 21557021

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	-21557020	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 21557021 can be divided by 4 positive divisors. The sum of these divisors (counting 21557021) is 1, the average is 0.25.

Base conversion 21557021

Base	System	Value
2	Binary	1010010001110111100011101
3	Ternary	1111120012200012
4	Quaternary	1102032330131
5	Quinary	21004311041
6	Senary	2050013005
8	Octal	122167435
10	Decimal	21557021
12	Duodecimal	7277165
16	Hexadecimal	148ef1d
20	Vigesimal	6eecb1
36	Base36	cu1i5

Cryptographic Hash Functions

md5	11adcb9cc539818bf1b28100b041da63
sha1	6a151107e0688cae0267fd5945c90e72dbd57147
sha256	455a7a21e06a749e647f6a8408b654797849812f43a8b0c231a6a1c86bed7653
sha512	2e59648c8a9149ed42f5554435fb23ce2f9cf32341e30484b64abec8c2308ceee69308da66e08d4b85158e1bed9741a7ac5bddc2ed4f3528a792b3c9f4deb22a
ripemd-160	fd5d08011066f0134519ca8d54b052f4686b84ab

21557021 as geometric shapes

Circle

Radius = n

Diameter	43114042
Circumference	135446757.61376
Area	1.4599142991309E+15

Sphere

Radius = n

Volume	4.196187093942E+22
Surface area	5.8396571965235E+15
Circumference	135446757.61376

Square

Length = n

Perimeter	86228084
Area	464705154394441
Diagonal	30486231.462562

Cube

Length = n

Surface area	2788230926366646
Volume	1.0017658772089E+22
Space diagonal	37337855.631829

Equilateral Triangle

Length = n

Perimeter	64671063
Area	2.0122323448758E+14
Altitude	18668927.815915

Triangular Pyramid

Length = n

Surface area	2.0122323448758E+14
Volume	1.1805924082262E+21
Height	10162077.154187