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

21553985 (number)

21553985 is an odd 8-digits composite number following 21553984 and preceding 21553986. In scientific notation, it is written as 2.1553985 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 17178480 positive integers (up to 21553985) that are relatively prime to 21553985.

Interesting facts

21553985 has 8 divisors, whose sum is 25961856
The reverse of 21553985 is 58935512
Previous prime number is 271

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million five hundred fifty-three thousand nine hundred eighty-five

Notation

Scientific notation	2.1553985 × 10^7
Engineering notation	2.1553985 × 10^6

Prime Factorization of 21553985

Prime Factorization 5 × 271 × 15907

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21553985	Product of the distinct prime numbers

The prime factorization of 21553985 is 5 × 271 × 15907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 23, 80, 937, 462, 4000, 9113, 89938, 59273, 614979, 723993, 9232709, 9646846, 69514482, 41047358, 176885051, 808986758, 532204522, 7896428498

Basic calculations (n = 21553985)

Multiplication

n×y

n×2	43107970
n×3	64661955
n×4	86215940
n×5	107769925

Division

n÷y

n÷2	10776992.5
n÷3	7184661.6666667
n÷3	5388496.25
n÷5	4310797

Exponentiation

n^y

n²	464574269380225
n³	1.0013426833607E+22
n⁴	2.1582925177017E+29
n⁵	4.6519804552155E+36

Nth Root

^y√n

²√n	4642.6269503375
³√n	278.29742764942
⁴√n	68.136825214692
⁵√n	29.289065499966

Divisors of 21553985

1, 5, 271, 1355, 15907, 79535, 4310797, 21553985

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	-21553984	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 21553985 can be divided by 8 positive divisors. The sum of these divisors (counting 21553985) is 1, the average is 0.125.

Base conversion 21553985

Base	System	Value
2	Binary	1010010001110001101000001
3	Ternary	1111120001111202
4	Quaternary	1102032031001
5	Quinary	21004211420
6	Senary	2045550545
8	Octal	122161501
10	Decimal	21553985
12	Duodecimal	7275455
16	Hexadecimal	148e341
20	Vigesimal	6ee4j5
36	Base36	ctz5t

Cryptographic Hash Functions

md5	d461acc345abeeda83ecb1a35766c875
sha1	782a82d8cab027adb0a80404cafc1e3b1598e420
sha256	c317e2ca23b4ab484a338905002a61eb35f7deaea7b5b35a60e6ae99f9de326f
sha512	f9b1b31974b547352b2c53c9bb272bc4240b88e135c48a81c8fdbef36821cfd7b8f8fd01560929b5ac089360098b93b2866e63dafe4aab008987a3228075ac20
ripemd-160	ad96a3fe18a6162acfa5a599e2e0e97a5c99ca0c

21553985 as geometric shapes

Circle

Radius = n

Diameter	43107970
Circumference	135427681.86317
Area	1.4595031117318E+15

Sphere

Radius = n

Volume	4.194414423696E+22
Surface area	5.838012446927E+15
Circumference	135427681.86317

Square

Length = n

Perimeter	86215940
Area	464574269380225
Diagonal	30481937.910186

Cube

Length = n

Surface area	2787445616281350
Volume	1.0013426833607E+22
Space diagonal	37332597.125577

Equilateral Triangle

Length = n

Perimeter	64661955
Area	2.0116655961393E+14
Altitude	18666298.562789

Triangular Pyramid

Length = n

Surface area	2.0116655961393E+14
Volume	1.1800936694932E+21
Height	10160645.970062