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

21051490 (number)

21051490 is an even 8-digits composite number following 21051489 and preceding 21051491. In scientific notation, it is written as 2.1051490 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 8420592 positive integers (up to 21051490) that are relatively prime to 21051490.

Interesting facts

21051490 has 8 divisors, whose sum is 37892700
The reverse of 21051490 is 09415012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.1051490 × 10^7
Engineering notation	2.1051490 × 10^6

Prime Factorization of 21051490

Prime Factorization 2 × 5 × 2105149

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21051490	Product of the distinct prime numbers

The prime factorization of 21051490 is 2 × 5 × 2105149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 28, 59, 773, 723, 6261, 922, 59740, 53329, 707688, 544787, 9029195, 5549078, 44978687, 43280997, 286612209, 91085730, 8297527047, 9711394094

Basic calculations (n = 21051490)

Multiplication

n×y

n×2	42102980
n×3	63154470
n×4	84205960
n×5	105257450

Division

n÷y

n÷2	10525745
n÷3	7017163.3333333
n÷3	5262872.5
n÷5	4210298

Exponentiation

n^y

n²	443165231220100
n³	9.3292884333776E+21
n⁴	1.9639542216236E+29
n⁵	4.1344162656968E+36

Nth Root

^y√n

²√n	4588.1902750431
³√n	276.11772090846
⁴√n	67.736181432401
⁵√n	29.151208790754

Divisors of 21051490

1, 2, 5, 10, 2105149, 4210298, 10525745, 21051490

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	-21051489	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 21051490 can be divided by 8 positive divisors. The sum of these divisors (counting 21051490) is 1, the average is 0.125.

Base conversion 21051490

Base	System	Value
2	Binary	1010000010011100001100010
3	Ternary	1110121112012211
4	Quaternary	1100103201202
5	Quinary	20342121430
6	Senary	2031112334
8	Octal	120234142
10	Decimal	21051490
12	Duodecimal	70726aa
16	Hexadecimal	1413862
20	Vigesimal	6bb8ea
36	Base36	cj7fm

Cryptographic Hash Functions

md5	f0b0ceeeaa3243e692a84fda9eab8d6f
sha1	d919f456f153c1bcf7046c1a6f417f04f7193647
sha256	f2ac256896c7613c9a05c00ad8f15a511e5fb46058ccc57f699ae701562460b5
sha512	fa538750ec92090b98500162a5bb11a769622d80406ab10d6f70276885d979784b11b41388e58177e5f448a2c48a9d501d6395587c744022c3f0d6fa20a2c6b8
ripemd-160	ccee33bf641257104ec7c00162139f00e5cbf2c1

21051490 as geometric shapes

Circle

Radius = n

Diameter	42102980
Circumference	132270412.66224
Area	1.3922446347275E+15

Sphere

Radius = n

Volume	3.9078432007359E+22
Surface area	5.56897853891E+15
Circumference	132270412.66224

Square

Length = n

Perimeter	84205960
Area	443165231220100
Diagonal	29771302.666162

Cube

Length = n

Surface area	2658991387320600
Volume	9.3292884333776E+21
Space diagonal	36462250.255028

Equilateral Triangle

Length = n

Perimeter	63154470
Area	1.9189617415531E+14
Altitude	18231125.127514

Triangular Pyramid

Length = n

Surface area	1.9189617415531E+14
Volume	1.0994671858144E+21
Height	9923767.5553872