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

21278889 (number)

21278889 is an odd 8-digits composite number following 21278888 and preceding 21278890. In scientific notation, it is written as 2.1278889 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 14185908 positive integers (up to 21278889) that are relatively prime to 21278889.

Interesting facts

21278889 has 8 divisors, whose sum is 31524320
The reverse of 21278889 is 98887212
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	twenty-one million two hundred seventy-eight thousand eight hundred eighty-nine

Notation

Scientific notation	2.1278889 × 10^7
Engineering notation	2.1278889 × 10^6

Prime Factorization of 21278889

Prime Factorization 9 × 3 × 788107

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21278889	Product of the distinct prime numbers

The prime factorization of 21278889 is 9 × 3 × 788107. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 41, 10, 443, 385, 523, 4115, 1007, 90400, 974098, 9143, 5598083, 3712818, 29533943, 9814015, 93927044, 306015149, 8478043582, 6055462490

Basic calculations (n = 21278889)

Multiplication

n×y

n×2	42557778
n×3	63836667
n×4	85115556
n×5	106394445

Division

n÷y

n÷2	10639444.5
n÷3	7092963
n÷3	5319722.25
n÷5	4255777.8

Exponentiation

n^y

n²	452791117074321
n³	9.6348919204105E+21
n⁴	2.0501979570141E+29
n⁵	4.362593475533E+36

Nth Root

^y√n

²√n	4612.9046163995
³√n	277.10837379492
⁴√n	67.918367297805
⁵√n	29.213916917168

Divisors of 21278889

1, 3, 9, 27, 788107, 2364321, 7092963, 21278889

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	-21278888	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 21278889 can be divided by 8 positive divisors. The sum of these divisors (counting 21278889) is 1, the average is 0.125.

Base conversion 21278889

Base	System	Value
2	Binary	1010001001011000010101001
3	Ternary	1111001002011000
4	Quaternary	1101023002221
5	Quinary	20421411024
6	Senary	2040025213
8	Octal	121130251
10	Decimal	21278889
12	Duodecimal	7162209
16	Hexadecimal	144b0a9
20	Vigesimal	6cjh49
36	Base36	co2w9

Cryptographic Hash Functions

md5	cfd61d9b67c93e82b8439b287b181b35
sha1	7cab83eb49afae66181511b63398bca275794aec
sha256	2caaba2e8f0e51ab96f81ba4a3d213c86d8e60e0a40c172818719622fa7300b0
sha512	4a384e581f3f46c1c9db617e7ac9cd285be3684f8e50969420bdd263596a11c81b579d1f4ff35b61f52f77e6d7d05576b8446d2340673330d523d434d69ae1d7
ripemd-160	cd34a296a5e54e73f5ab6a3634f7156572d673c3

21278889 as geometric shapes

Circle

Radius = n

Diameter	42557778
Circumference	133699202.71791
Area	1.4224852470114E+15

Sphere

Radius = n

Volume	4.0358540900391E+22
Surface area	5.6899409880456E+15
Circumference	133699202.71791

Square

Length = n

Perimeter	85115556
Area	452791117074321
Diagonal	30092893.416032

Cube

Length = n

Surface area	2716746702445926
Volume	9.6348919204105E+21
Space diagonal	36856116.876618

Equilateral Triangle

Length = n

Perimeter	63836667
Area	1.9606430499715E+14
Altitude	18428058.438309

Triangular Pyramid

Length = n

Surface area	1.9606430499715E+14
Volume	1.1354829021536E+21
Height	10030964.472011