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

21028265 (number)

21028265 is an odd 8-digits composite number following 21028264 and preceding 21028266. In scientific notation, it is written as 2.1028265 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 16767280 positive integers (up to 21028265) that are relatively prime to 21028265.

Interesting facts

21028265 has 8 divisors, whose sum is 25316928
The reverse of 21028265 is 56282012
Previous prime number is 311

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million twenty-eight thousand two hundred sixty-five

Notation

Scientific notation	2.1028265 × 10^7
Engineering notation	2.1028265 × 10^6

Prime Factorization of 21028265

Prime Factorization 5 × 311 × 13523

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21028265	Product of the distinct prime numbers

The prime factorization of 21028265 is 5 × 311 × 13523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 59, 7, 498, 325, 4144, 4827, 5595, 67498, 349901, 682410, 283788, 7836935, 77570623, 52803616, 58894907, 966179002, 2252321061, 8513784457

Basic calculations (n = 21028265)

Multiplication

n×y

n×2	42056530
n×3	63084795
n×4	84113060
n×5	105141325

Division

n÷y

n÷2	10514132.5
n÷3	7009421.6666667
n÷3	5257066.25
n÷5	4205653

Exponentiation

n^y

n²	442187928910225
n³	9.2984449489254E+21
n⁴	1.9553016447391E+29
n⁵	4.1116601140511E+36

Nth Root

^y√n

²√n	4585.6586222701
³√n	276.01614149803
⁴√n	67.717491257947
⁵√n	29.144773751735

Divisors of 21028265

1, 5, 311, 1555, 13523, 67615, 4205653, 21028265

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	-21028264	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 21028265 can be divided by 8 positive divisors. The sum of these divisors (counting 21028265) is 1, the average is 0.125.

Base conversion 21028265

Base	System	Value
2	Binary	1010000001101110110101001
3	Ternary	1110120100100122
4	Quaternary	1100031312221
5	Quinary	20340401030
6	Senary	2030413025
8	Octal	120156651
10	Decimal	21028265
12	Duodecimal	7061175
16	Hexadecimal	140dda9
20	Vigesimal	6b8ad5
36	Base36	cipih

Cryptographic Hash Functions

md5	89d5e868c5690e9a50fe50c82f84f0a2
sha1	e5cdf4bb6346cd431bfd81e2db1b9786a89d48de
sha256	ee5df158f325d242886d1cee08ba04e8dc7b9c4e43348ad2f01e718c92db2a5b
sha512	1197467f4af074343f2dc7bbbb9583af2f02b09210c12bf00771086b969221f9b65a211dd0896496a12bcb0a338ad3d42de73b1bf53d2ee828778d6342d73793
ripemd-160	b4906ace5fb5ff7e21922b06a7477274f5a49c3b

21028265 as geometric shapes

Circle

Radius = n

Diameter	42056530
Circumference	132124485.68348
Area	1.3891743489704E+15

Sphere

Radius = n

Volume	3.8949235121804E+22
Surface area	5.5566973958818E+15
Circumference	132124485.68348

Square

Length = n

Perimeter	84113060
Area	442187928910225
Diagonal	29738457.556175

Cube

Length = n

Surface area	2653127573461350
Volume	9.2984449489254E+21
Space diagonal	36422023.375022

Equilateral Triangle

Length = n

Perimeter	63084795
Area	1.9147298984154E+14
Altitude	18211011.687511

Triangular Pyramid

Length = n

Surface area	1.9147298984154E+14
Volume	1.0958322463125E+21
Height	9912819.1853918