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

21493911 (number)

21493911 is an odd 8-digits composite number following 21493910 and preceding 21493912. In scientific notation, it is written as 2.1493911 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14187200 positive integers (up to 21493911) that are relatively prime to 21493911.

Interesting facts

21493911 has 8 divisors, whose sum is 28942704
The reverse of 21493911 is 11939412
Previous prime number is 101

Basic properties

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

Name

Name	twenty-one million four hundred ninety-three thousand nine hundred eleven

Notation

Scientific notation	2.1493911 × 10^7
Engineering notation	2.1493911 × 10^6

Prime Factorization of 21493911

Prime Factorization 3 × 101 × 70937

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493911	Product of the distinct prime numbers

The prime factorization of 21493911 is 3 × 101 × 70937. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 42, 82, 418, 312, 9553, 513, 85230, 826, 964262, 782414, 422564, 6615916, 927007, 66240756, 614666515, 913122201, 3110084121, 2364519203

Basic calculations (n = 21493911)

Multiplication

n×y

n×2	42987822
n×3	64481733
n×4	85975644
n×5	107469555

Division

n÷y

n÷2	10746955.5
n÷3	7164637
n÷3	5373477.75
n÷5	4298782.2

Exponentiation

n^y

n²	461988210075921
n³	9.9299334704212E+21
n⁴	2.1343310624915E+29
n⁵	4.5875121901728E+36

Nth Root

^y√n

²√n	4636.1526074969
³√n	278.0386356599
⁴√n	68.08929877372
⁵√n	29.272720715368

Divisors of 21493911

1, 3, 101, 303, 70937, 212811, 7164637, 21493911

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	-21493910	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 21493911 can be divided by 8 positive divisors. The sum of these divisors (counting 21493911) is 1, the average is 0.125.

Base conversion 21493911

Base	System	Value
2	Binary	1010001111111100010010111
3	Ternary	1111110000002210
4	Quaternary	1101333202113
5	Quinary	21000301121
6	Senary	2044404503
8	Octal	121774227
10	Decimal	21493911
12	Duodecimal	7246733
16	Hexadecimal	147f897
20	Vigesimal	6e6efb
36	Base36	csot3

Cryptographic Hash Functions

md5	571fa3b95d3defbebcf172b1a7d0b6b2
sha1	7afee4e276a05b72f34cb0531e40ed5c846031c8
sha256	9ade19f2cab7ed51125146b3acb7beda9a8f19aaeb6be5c297b49d7c3a1e4c8b
sha512	f37e03f6edbce06716dcfe3b707a5ad2096c4fe3667453b4b2e5c692bfd0cbc73e57af5b9c96b880964d37cda52438c4a922697ac41d5c595c955ee1c0608785
ripemd-160	b659cfa95ef95d5b744c645d1c436ffa4ebdca3a

21493911 as geometric shapes

Circle

Radius = n

Diameter	42987822
Circumference	135050225.78903
Area	1.4513787668196E+15

Sphere

Radius = n

Volume	4.1594408055081E+22
Surface area	5.8055150672784E+15
Circumference	135050225.78903

Square

Length = n

Perimeter	85975644
Area	461988210075921
Diagonal	30396980.44464

Cube

Length = n

Surface area	2771929260455526
Volume	9.9299334704212E+21
Space diagonal	37228545.905364

Equilateral Triangle

Length = n

Perimeter	64481733
Area	2.0004676308732E+14
Altitude	18614272.952682

Triangular Pyramid

Length = n

Surface area	2.0004676308732E+14
Volume	1.1702538822777E+21
Height	10132326.81488