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

21493893 (number)

21493893 is an odd 8-digits composite number following 21493892 and preceding 21493894. In scientific notation, it is written as 2.1493893 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14329260 positive integers (up to 21493893) that are relatively prime to 21493893.

Interesting facts

21493893 has 4 divisors, whose sum is 28658528
The reverse of 21493893 is 39839412
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-one million four hundred ninety-three thousand eight hundred ninety-three

Notation

Scientific notation	2.1493893 × 10^7
Engineering notation	2.1493893 × 10^6

Prime Factorization of 21493893

Prime Factorization 3 × 7164631

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21493893	Product of the distinct prime numbers

The prime factorization of 21493893 is 3 × 7164631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 4, 30, 194, 19, 7236, 8624, 7454, 23804, 72051, 333006, 2882634, 6214777, 36734643, 37149314, 509066787, 958943244, 9179323439, 7270845067

Basic calculations (n = 21493893)

Multiplication

n×y

n×2	42987786
n×3	64481679
n×4	85975572
n×5	107469465

Division

n÷y

n÷2	10746946.5
n÷3	7164631
n÷3	5373473.25
n÷5	4298778.6

Exponentiation

n^y

n²	461987436295449
n³	9.9299085230787E+21
n⁴	2.1343239129484E+29
n⁵	4.5874929812255E+36

Nth Root

^y√n

²√n	4636.1506662316
³√n	278.03855804572
⁴√n	68.089284518429
⁵√n	29.272715812499

Divisors of 21493893

1, 3, 7164631, 21493893

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	-21493892	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 21493893 can be divided by 4 positive divisors. The sum of these divisors (counting 21493893) is 1, the average is 0.25.

Base conversion 21493893

Base	System	Value
2	Binary	1010001111111100010000101
3	Ternary	1111110000002010
4	Quaternary	1101333202011
5	Quinary	21000301033
6	Senary	2044404433
8	Octal	121774205
10	Decimal	21493893
12	Duodecimal	7246719
16	Hexadecimal	147f885
20	Vigesimal	6e6eed
36	Base36	csosl

Cryptographic Hash Functions

md5	a95fb3a6b4168a6c4f1bc85eb1775004
sha1	04353f793f1684ea4f39e8ee94052a1447417fa4
sha256	ecab63173a0430fea38aabb88c9b60af4fbc9ae9fe71bcdce944c4964ed188de
sha512	eac649ff8db3ca62573ba1a85d4dc66f47d64ae626bc794fd21cc016bb68b5a04638e6aa5e41d00f7e0f585ff9273bb2cd3f38599674455b1e0526b327218c09
ripemd-160	422f01fbf416c0b474c1cd9d2f46c60ac9335094

21493893 as geometric shapes

Circle

Radius = n

Diameter	42987786
Circumference	135050112.69169
Area	1.4513763359166E+15

Sphere

Radius = n

Volume	4.1594303555897E+22
Surface area	5.8055053436663E+15
Circumference	135050112.69169

Square

Length = n

Perimeter	85975572
Area	461987436295449
Diagonal	30396954.988796

Cube

Length = n

Surface area	2771924617772694
Volume	9.9299085230787E+21
Space diagonal	37228514.728449

Equilateral Triangle

Length = n

Perimeter	64481679
Area	2.0004642803055E+14
Altitude	18614257.364225

Triangular Pyramid

Length = n

Surface area	2.0004642803055E+14
Volume	1.1702509422052E+21
Height	10132318.329599