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

21493087 (number)

21493087 is an odd 8-digits composite number following 21493086 and preceding 21493088. In scientific notation, it is written as 2.1493087 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16747800 positive integers (up to 21493087) that are relatively prime to 21493087.

Interesting facts

21493087 has 8 divisors, whose sum is 26796672
The reverse of 21493087 is 78039412
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million four hundred ninety-three thousand eighty-seven

Notation

Scientific notation	2.1493087 × 10^7
Engineering notation	2.1493087 × 10^6

Prime Factorization of 21493087

Prime Factorization 7 × 11 × 279131

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493087	Product of the distinct prime numbers

The prime factorization of 21493087 is 7 × 11 × 279131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 2, 27, 891, 701, 9306, 3061, 62783, 27678, 864168, 182302, 8304336, 4354462, 90530087, 32925926, 218106420, 34210979, 1298915632, 2470538453

Basic calculations (n = 21493087)

Multiplication

n×y

n×2	42986174
n×3	64479261
n×4	85972348
n×5	107465435

Division

n÷y

n÷2	10746543.5
n÷3	7164362.3333333
n÷3	5373271.75
n÷5	4298617.4

Exponentiation

n^y

n²	461952788789569
n³	9.9287914793468E+21
n⁴	2.1340037907046E+29
n⁵	4.5866329131944E+36

Nth Root

^y√n

²√n	4636.0637398552
³√n	278.0350826108
⁴√n	68.088646189032
⁵√n	29.272496269554

Divisors of 21493087

1, 7, 11, 77, 279131, 1953917, 3070441, 21493087

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	-21493086	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 21493087 can be divided by 8 positive divisors. The sum of these divisors (counting 21493087) is 1, the average is 0.125.

Base conversion 21493087

Base	System	Value
2	Binary	1010001111111010101011111
3	Ternary	1111102221222021
4	Quaternary	1101333111133
5	Quinary	21000234322
6	Senary	2044401011
8	Octal	121772537
10	Decimal	21493087
12	Duodecimal	7246167
16	Hexadecimal	147f55f
20	Vigesimal	6e6ce7
36	Base36	cso67

Cryptographic Hash Functions

md5	f849b6f05b7674692134e5c02804ed9d
sha1	3028f3b35eb182f100b8388c64ce33cda7f9cdda
sha256	55a9cf06a5da50863fb76697911376f5f5f2012a903cfd5737879bc74d3513a5
sha512	40df04e37c180e226f5743bee31119a9b5fed3e97ac3d166ab59261ed723ca12385d57e6658954150cba607d5db6bf130bd0f33f0531b15dc68c767bffb5e390
ripemd-160	d774ba9295015cbeed153f6e40b62e2ea2f64be2

21493087 as geometric shapes

Circle

Radius = n

Diameter	42986174
Circumference	135045048.44433
Area	1.4512674875666E+15

Sphere

Radius = n

Volume	4.1589624494055E+22
Surface area	5.8050699502665E+15
Circumference	135045048.44433

Square

Length = n

Perimeter	85972348
Area	461952788789569
Diagonal	30395815.132665

Cube

Length = n

Surface area	2771716732737414
Volume	9.9287914793468E+21
Space diagonal	37227118.695498

Equilateral Triangle

Length = n

Perimeter	64479261
Area	2.0003142522042E+14
Altitude	18613559.347749

Triangular Pyramid

Length = n

Surface area	2.0003142522042E+14
Volume	1.1701192973389E+21
Height	10131938.377555