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

21490894 (number)

21490894 is an even 8-digits composite number following 21490893 and preceding 21490895. In scientific notation, it is written as 2.1490894 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10745446 positive integers (up to 21490894) that are relatively prime to 21490894.

Interesting facts

21490894 has 4 divisors, whose sum is 32236344
The reverse of 21490894 is 49809412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1490894 × 10^7
Engineering notation	2.1490894 × 10^6

Prime Factorization of 21490894

Prime Factorization 2 × 10745447

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490894	Product of the distinct prime numbers

The prime factorization of 21490894 is 2 × 10745447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 9, 31, 539, 978, 6699, 6049, 59675, 78056, 378515, 585726, 7749202, 4212135, 78076870, 2573114, 54906058, 107923733, 1200438340, 7450220676

Basic calculations (n = 21490894)

Multiplication

n×y

n×2	42981788
n×3	64472682
n×4	85963576
n×5	107454470

Division

n÷y

n÷2	10745447
n÷3	7163631.3333333
n÷3	5372723.5
n÷5	4298178.8

Exponentiation

n^y

n²	461858524919236
n³	9.9257526020357E+21
n⁴	2.1331329704057E+29
n⁵	4.5842934554895E+36

Nth Root

^y√n

²√n	4635.8272185231
³√n	278.02562605584
⁴√n	68.086909303648
⁵√n	29.27189889418

Divisors of 21490894

1, 2, 10745447, 21490894

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21490893	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490894 can be divided by 4 positive divisors. The sum of these divisors (counting 21490894) is 1, the average is 0.25.

Base conversion 21490894

Base	System	Value
2	Binary	1010001111110110011001110
3	Ternary	1111102211222001
4	Quaternary	1101332303032
5	Quinary	21000202034
6	Senary	2044342514
8	Octal	121766316
10	Decimal	21490894
12	Duodecimal	7244a3a
16	Hexadecimal	147ecce
20	Vigesimal	6e674e
36	Base36	csmha

Cryptographic Hash Functions

md5	d6dd5690254e9844ae81905180d4d453
sha1	1e4ae3414f714ad8881ffbd78fca761ac0265746
sha256	686a7707dc5ffb3137dad95ad0857b7c11defae8258a19421e3287dd0b02bb2a
sha512	8c1adf7788888f28f4080273221494338e2a556cd3cf71c398bb11e7321c35ed0aed0592d4ae434b8960ae1625ea71c0d27f66ef2d2dc3fe4116ea91724e7f2f
ripemd-160	92a4ae033dcad5cca94210a03007b3dcb32b6f38

21490894 as geometric shapes

Circle

Radius = n

Diameter	42981788
Circumference	135031269.41895
Area	1.4509713488841E+15

Sphere

Radius = n

Volume	4.157689527454E+22
Surface area	5.8038853955364E+15
Circumference	135031269.41895

Square

Length = n

Perimeter	85963576
Area	461858524919236
Diagonal	30392713.762323

Cube

Length = n

Surface area	2771151149515416
Volume	9.9257526020357E+21
Space diagonal	37223320.308077

Equilateral Triangle

Length = n

Perimeter	64472682
Area	1.9999060776723E+14
Altitude	18611660.154039

Triangular Pyramid

Length = n

Surface area	1.9999060776723E+14
Volume	1.1697611622132E+21
Height	10130904.587441