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

21861242 (number)

21861242 is an even 8-digits composite number following 21861241 and preceding 21861243. In scientific notation, it is written as 2.1861242 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 10089792 positive integers (up to 21861242) that are relatively prime to 21861242.

Interesting facts

21861242 has 8 divisors, whose sum is 35314356
The reverse of 21861242 is 24216812
Previous prime number is 13

Basic properties

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

Name

Name	twenty-one million eight hundred sixty-one thousand two hundred forty-two

Notation

Scientific notation	2.1861242 × 10^7
Engineering notation	2.1861242 × 10^6

Prime Factorization of 21861242

Prime Factorization 2 × 13 × 840817

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21861242	Product of the distinct prime numbers

The prime factorization of 21861242 is 2 × 13 × 840817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 66, 64, 122, 530, 1943, 9458, 10689, 64220, 396965, 796578, 4396158, 62606, 98584007, 15208336, 636228669, 980674122, 8618036856, 2991446065

Basic calculations (n = 21861242)

Multiplication

n×y

n×2	43722484
n×3	65583726
n×4	87444968
n×5	109306210

Division

n÷y

n÷2	10930621
n÷3	7287080.6666667
n÷3	5465310.5
n÷5	4372248.4

Exponentiation

n^y

n²	477913901782564
n³	1.0447791462033E+22
n⁴	2.2840169751703E+29
n⁵	4.9931447826307E+36

Nth Root

^y√n

²√n	4675.6007100692
³√n	279.61359113851
⁴√n	68.378364341868
⁵√n	29.372097851538

Divisors of 21861242

1, 2, 13, 26, 840817, 1681634, 10930621, 21861242

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	-21861241	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 21861242 can be divided by 8 positive divisors. The sum of these divisors (counting 21861242) is 1, the average is 0.125.

Base conversion 21861242

Base	System	Value
2	Binary	1010011011001001101111010
3	Ternary	1112010122222122
4	Quaternary	1103121031322
5	Quinary	21044024432
6	Senary	2100321242
8	Octal	123311572
10	Decimal	21861242
12	Duodecimal	73a3222
16	Hexadecimal	14d937a
20	Vigesimal	6gcd22
36	Base36	d0k8q

Cryptographic Hash Functions

md5	f8cad460239fe18fb0e23e8918a1f1e3
sha1	db0cd831af5880701cb581bdef79cbb541787bb0
sha256	fa3af1723feee13c88a80d54d0fae1b5e03e6fd1531628be23f057ff4bf771e1
sha512	592216f8913c5008bb01bc50cee949e86554feb9cb3490b27238b8a8d38ba49030cf51c9d208699101ccd92c5685e9aa348b7b5a587cc541db474d7e59ee3e19
ripemd-160	2d2780937f9d1bab33eb64c07e775138ed40d238

21861242 as geometric shapes

Circle

Radius = n

Diameter	43722484
Circumference	137358234.5311
Area	1.5014108028885E+15

Sphere

Radius = n

Volume	4.3763606537814E+22
Surface area	6.0056432115541E+15
Circumference	137358234.5311

Square

Length = n

Perimeter	87444968
Area	477913901782564
Diagonal	30916464.92672

Cube

Length = n

Surface area	2867483410695384
Volume	1.0447791462033E+22
Space diagonal	37864781.860559

Equilateral Triangle

Length = n

Perimeter	65583726
Area	2.0694278988272E+14
Altitude	18932390.930279

Triangular Pyramid

Length = n

Surface area	2.0694278988272E+14
Volume	1.2312840318711E+21
Height	10305488.308907