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

21490145 (number)

21490145 is an odd 8-digits composite number following 21490144 and preceding 21490146. In scientific notation, it is written as 2.1490145 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 17153136 positive integers (up to 21490145) that are relatively prime to 21490145.

Interesting facts

21490145 has 8 divisors, whose sum is 25846656
The reverse of 21490145 is 54109412
Previous prime number is 463

Basic properties

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

Name

Name	twenty-one million four hundred ninety thousand one hundred forty-five

Notation

Scientific notation	2.1490145 × 10^7
Engineering notation	2.1490145 × 10^6

Prime Factorization of 21490145

Prime Factorization 5 × 463 × 9283

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490145	Product of the distinct prime numbers

The prime factorization of 21490145 is 5 × 463 × 9283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 31, 23, 566, 675, 9012, 1989, 78359, 66406, 354124, 149709, 3261475, 1023477, 84952877, 95787328, 667457606, 997598725, 4344933208, 440097242

Basic calculations (n = 21490145)

Multiplication

n×y

n×2	42980290
n×3	64470435
n×4	85960580
n×5	107450725

Division

n÷y

n÷2	10745072.5
n÷3	7163381.6666667
n÷3	5372536.25
n÷5	4298029

Exponentiation

n^y

n²	461826332121025
n³	9.924714842099E+21
n⁴	2.1328356104036E+29
n⁵	4.5834946528737E+36

Nth Root

^y√n

²√n	4635.7464339629
³√n	278.0223961047
⁴√n	68.086316055158
⁵√n	29.271694854665

Divisors of 21490145

1, 5, 463, 2315, 9283, 46415, 4298029, 21490145

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	-21490144	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 21490145 can be divided by 8 positive divisors. The sum of these divisors (counting 21490145) is 1, the average is 0.125.

Base conversion 21490145

Base	System	Value
2	Binary	1010001111110100111100001
3	Ternary	1111102210221022
4	Quaternary	1101332213201
5	Quinary	21000141040
6	Senary	2044335225
8	Octal	121764741
10	Decimal	21490145
12	Duodecimal	7244515
16	Hexadecimal	147e9e1
20	Vigesimal	6e6575
36	Base36	cslwh

Cryptographic Hash Functions

md5	3746cafec81da5974c7f1774992e014d
sha1	963792c4defe6892d5598521965c59dac2e7e929
sha256	eeff2eb2555a931df17d52e9770e53dc6065bd2027611fa60fce92a1c14e8539
sha512	633901e92babba5da89c3570d9fc8a27c3123f7a4d90da96658161d60e23958378d9028bd8a12726f39fbd9ee412b69d466f2986d203ee80dea8d78ea7bb740b
ripemd-160	1ac44f4aba067fdbb2e1bacef5933dda6e449855

21490145 as geometric shapes

Circle

Radius = n

Diameter	42980290
Circumference	135026563.31316
Area	1.4508702122257E+15

Sphere

Radius = n

Volume	4.1572548315882E+22
Surface area	5.8034808489029E+15
Circumference	135026563.31316

Square

Length = n

Perimeter	85960580
Area	461826332121025
Diagonal	30391654.516364

Cube

Length = n

Surface area	2770957992726150
Volume	9.924714842099E+21
Space diagonal	37222023.002022

Equilateral Triangle

Length = n

Perimeter	64470435
Area	1.999766678767E+14
Altitude	18611011.501011

Triangular Pyramid

Length = n

Surface area	1.999766678767E+14
Volume	1.1696388610318E+21
Height	10130551.505455