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

21497768 (number)

21497768 is an even 8-digits composite number following 21497767 and preceding 21497769. In scientific notation, it is written as 2.1497768 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 8 positive divisors. There are 10748880 positive integers (up to 21497768) that are relatively prime to 21497768.

Interesting facts

21497768 has 8 divisors, whose sum is 40308330
The reverse of 21497768 is 86779412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	twenty-one million four hundred ninety-seven thousand seven hundred sixty-eight

Notation

Scientific notation	2.1497768 × 10^7
Engineering notation	2.1497768 × 10^6

Prime Factorization of 21497768

Prime Factorization 2 × 2 × 2 × 2687221

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	5374442	Product of the distinct prime numbers

The prime factorization of 21497768 is 2 × 2 × 2 × 2687221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 52, 36, 868, 722, 9751, 7614, 43478, 70707, 479605, 659483, 846145, 8619015, 51576359, 49202178, 967497537, 756432013, 8141685459, 3843929715

Basic calculations (n = 21497768)

Multiplication

n×y

n×2	42995536
n×3	64493304
n×4	85991072
n×5	107488840

Division

n÷y

n÷2	10748884
n÷3	7165922.6666667
n÷3	5374442
n÷5	4299553.6

Exponentiation

n^y

n²	462154028981824
n³	9.9352800953165E+21
n⁴	2.1358634650413E+29
n⁵	4.5916297251135E+36

Nth Root

^y√n

²√n	4636.5685587512
³√n	278.0552656546
⁴√n	68.092353159156
⁵√n	29.273771215489

Divisors of 21497768

1, 2, 4, 8, 2687221, 5374442, 10748884, 21497768

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	-21497767	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 21497768 can be divided by 8 positive divisors. The sum of these divisors (counting 21497768) is 1, the average is 0.125.

Base conversion 21497768

Base	System	Value
2	Binary	1010010000000011110101000
3	Ternary	1111110012101122
4	Quaternary	1102000132220
5	Quinary	21000412033
6	Senary	2044434412
8	Octal	122003650
10	Decimal	21497768
12	Duodecimal	7248a08
16	Hexadecimal	14807a8
20	Vigesimal	6e7488
36	Base36	csrs8

Cryptographic Hash Functions

md5	358ff3150a9a76aacee69e91abcd3f37
sha1	13595e4d93722b600cbf47bc062f47067cfa35da
sha256	4e1d901473f93b2dcc6145ea322db86eeb124765293c4650b5ec04f038a74cfc
sha512	011926b966cc7674fd03f5649ddf8c7f380420129f4957514fcb3f8d8a268dbc1b17cbcb985fe34c9da194de94b5cd549ee2d1740aa97486e04e13e59c6bf920
ripemd-160	1551e26acd413eeee676d19752bd972b027df577

21497768 as geometric shapes

Circle

Radius = n

Diameter	42995536
Circumference	135074460.03476
Area	1.4518997022762E+15

Sphere

Radius = n

Volume	4.1616803945071E+22
Surface area	5.8075988091049E+15
Circumference	135074460.03476

Square

Length = n

Perimeter	85991072
Area	462154028981824
Diagonal	30402435.06635

Cube

Length = n

Surface area	2772924173890944
Volume	9.9352800953165E+21
Space diagonal	37235226.425328

Equilateral Triangle

Length = n

Perimeter	64493304
Area	2.0011856477979E+14
Altitude	18617613.212664

Triangular Pyramid

Length = n

Surface area	2.0011856477979E+14
Volume	1.1708839880643E+21
Height	10134145.022117