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

21557091 (number)

21557091 is an odd 8-digits composite number following 21557090 and preceding 21557092. In scientific notation, it is written as 2.1557091 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14168840 positive integers (up to 21557091) that are relatively prime to 21557091.

Interesting facts

21557091 has 8 divisors, whose sum is 29147904
The reverse of 21557091 is 19075512
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.1557091 × 10^7
Engineering notation	2.1557091 × 10^6

Prime Factorization of 21557091

Prime Factorization 3 × 71 × 101207

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21557091	Product of the distinct prime numbers

The prime factorization of 21557091 is 3 × 71 × 101207. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 95, 60, 838, 556, 8413, 7567, 39218, 25740, 892698, 524552, 6958852, 2576301, 27930366, 66301890, 180752971, 444973281, 3415791738, 8730823137

Basic calculations (n = 21557091)

Multiplication

n×y

n×2	43114182
n×3	64671273
n×4	86228364
n×5	107785455

Division

n÷y

n÷2	10778545.5
n÷3	7185697
n÷3	5389272.75
n÷5	4311418.2

Exponentiation

n^y

n²	464708172382281
n³	1.0017756360489E+22
n⁴	2.1595368547888E+29
n⁵	4.6553332496536E+36

Nth Root

^y√n

²√n	4642.96144718
³√n	278.31079486502
⁴√n	68.139279767107
⁵√n	29.289909581412

Divisors of 21557091

1, 3, 71, 213, 101207, 303621, 7185697, 21557091

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	-21557090	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 21557091 can be divided by 8 positive divisors. The sum of these divisors (counting 21557091) is 1, the average is 0.125.

Base conversion 21557091

Base	System	Value
2	Binary	1010010001110111101100011
3	Ternary	1111120012202210
4	Quaternary	1102032331203
5	Quinary	21004311331
6	Senary	2050013203
8	Octal	122167543
10	Decimal	21557091
12	Duodecimal	7277203
16	Hexadecimal	148ef63
20	Vigesimal	6eeceb
36	Base36	cu1k3

Cryptographic Hash Functions

md5	4c8cde84bea00ef9953d1f2868d9202b
sha1	0fd24657d08f338704f48100f4b4884f6bcf252d
sha256	edb534a832be9ee73849cfe099da8c3d30457f435d78e94726d9fbde59e42ea4
sha512	e5de385385c8ab1d2b5e73bc1b53e54cd25b04e210516f723721a1ae398dd68981b8bd63b46d0edc17a6548e0cba3bb2034f558053e7c4755bed15c06abdd2e6
ripemd-160	aba47c027526ee000621238c6162aaec5c79abc3

21557091 as geometric shapes

Circle

Radius = n

Diameter	43114182
Circumference	135447197.43673
Area	1.4599237804193E+15

Sphere

Radius = n

Volume	4.1962279716751E+22
Surface area	5.8396951216773E+15
Circumference	135447197.43673

Square

Length = n

Perimeter	86228364
Area	464708172382281
Diagonal	30486330.457511

Cube

Length = n

Surface area	2788249034293686
Volume	1.0017756360489E+22
Space diagonal	37337976.875386

Equilateral Triangle

Length = n

Perimeter	64671273
Area	2.0122454131465E+14
Altitude	18668988.437693

Triangular Pyramid

Length = n

Surface area	2.0122454131465E+14
Volume	1.1806039091293E+21
Height	10162110.152504