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

21492890 (number)

21492890 is an even 8-digits composite number following 21492889 and preceding 21492891. In scientific notation, it is written as 2.1492890 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 8597152 positive integers (up to 21492890) that are relatively prime to 21492890.

Interesting facts

21492890 has 8 divisors, whose sum is 38687220
The reverse of 21492890 is 09829412
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.1492890 × 10^7
Engineering notation	2.1492890 × 10^6

Prime Factorization of 21492890

Prime Factorization 2 × 5 × 2149289

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492890	Product of the distinct prime numbers

The prime factorization of 21492890 is 2 × 5 × 2149289. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 8, 81, 14, 177, 41, 2562, 2910, 95389, 168, 428591, 630782, 8182158, 1864673, 21267529, 16203840, 107333872, 769409689, 5448298668, 9470190756

Basic calculations (n = 21492890)

Multiplication

n×y

n×2	42985780
n×3	64478670
n×4	85971560
n×5	107464450

Division

n÷y

n÷2	10746445
n÷3	7164296.6666667
n÷3	5373222.5
n÷5	4298578

Exponentiation

n^y

n²	461944320552100
n³	9.928518467751E+21
n⁴	2.1339255529034E+29
n⁵	4.5864227176742E+36

Nth Root

^y√n

²√n	4636.0424933342
³√n	278.03423314265
⁴√n	68.088490167826
⁵√n	29.272442608552

Divisors of 21492890

1, 2, 5, 10, 2149289, 4298578, 10746445, 21492890

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	-21492889	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 21492890 can be divided by 8 positive divisors. The sum of these divisors (counting 21492890) is 1, the average is 0.125.

Base conversion 21492890

Base	System	Value
2	Binary	1010001111111010010011010
3	Ternary	1111102221200222
4	Quaternary	1101333102122
5	Quinary	21000233030
6	Senary	2044400042
8	Octal	121772232
10	Decimal	21492890
12	Duodecimal	7246022
16	Hexadecimal	147f49a
20	Vigesimal	6e6c4a
36	Base36	cso0q

Cryptographic Hash Functions

md5	60b69b1aa47b947f2d188e87b1d557b5
sha1	f48bcaf0cddd9f26ef8ae533cee5396a0886c078
sha256	ffa74e7235d3b2cb8966609dbecd10141bbf76486385fea12d050141886fe806
sha512	6ae8c41d6619998a1b581ea05aa940e358aa8dfb75970be601d8c54690154eaec3690ee2079e31883982978140e8f38ebd73b299ddb961e08be2e04b8f1883f8
ripemd-160	6d07581d28c31e2923d9d384307140820de009e8

21492890 as geometric shapes

Circle

Radius = n

Diameter	42985780
Circumference	135043810.65683
Area	1.451240883814E+15

Sphere

Radius = n

Volume	4.1588480905756E+22
Surface area	5.804963535256E+15
Circumference	135043810.65683

Square

Length = n

Perimeter	85971560
Area	461944320552100
Diagonal	30395536.532593

Cube

Length = n

Surface area	2771665923312600
Volume	9.928518467751E+21
Space diagonal	37226777.481489

Equilateral Triangle

Length = n

Perimeter	64478670
Area	2.0002775836603E+14
Altitude	18613388.740745

Triangular Pyramid

Length = n

Surface area	2.0002775836603E+14
Volume	1.1700871226138E+21
Height	10131845.510864