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

21381854 (number)

21381854 is an even 8-digits composite number following 21381853 and preceding 21381855. In scientific notation, it is written as 2.1381854 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 9868536 positive integers (up to 21381854) that are relatively prime to 21381854.

Interesting facts

21381854 has 8 divisors, whose sum is 34539960
The reverse of 21381854 is 45818312
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million three hundred eighty-one thousand eight hundred fifty-four

Notation

Scientific notation	2.1381854 × 10^7
Engineering notation	2.1381854 × 10^6

Prime Factorization of 21381854

Prime Factorization 2 × 13 × 822379

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21381854	Product of the distinct prime numbers

The prime factorization of 21381854 is 2 × 13 × 822379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 48, 74, 768, 631, 5392, 7150, 45624, 78004, 274088, 862806, 1664124, 2920333, 13984068, 98789594, 277259666, 452630413, 9320995164, 5854428249

Basic calculations (n = 21381854)

Multiplication

n×y

n×2	42763708
n×3	64145562
n×4	85527416
n×5	106909270

Division

n÷y

n÷2	10690927
n÷3	7127284.6666667
n÷3	5345463.5
n÷5	4276370.8

Exponentiation

n^y

n²	457183680477316
n³	9.7754347071486E+21
n⁴	2.0901691769478E+29
n⁵	4.4691692176799E+36

Nth Root

^y√n

²√n	4624.0516865623
³√n	277.55461522771
⁴√n	68.00038004719
⁵√n	29.242134609323

Divisors of 21381854

1, 2, 13, 26, 822379, 1644758, 10690927, 21381854

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	-21381853	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 21381854 can be divided by 8 positive divisors. The sum of these divisors (counting 21381854) is 1, the average is 0.125.

Base conversion 21381854

Base	System	Value
2	Binary	1010001100100001011011110
3	Ternary	1111020022101112
4	Quaternary	1101210023132
5	Quinary	20433204404
6	Senary	2042142022
8	Octal	121441336
10	Decimal	21381854
12	Duodecimal	71b1912
16	Hexadecimal	14642de
20	Vigesimal	6dcece
36	Base36	cqace

Cryptographic Hash Functions

md5	45e2a68cdecdd9840ec772e7e3c35edf
sha1	e7b301a3650f6e55b026da2521d928efdfde7aa1
sha256	bc4cc8164586667e17c36a852ffd5b025909806aba723e1c2ae62bd396c38561
sha512	9181b78ae5419a53abf09b2b240c047cac589e4dc62130997a8288d1f80d3afd9a165251a6ca41cda3c2e2aaf671a56e255fc4752692480fa5474923ea66a28b
ripemd-160	6da12b2bc11eec3b8a7d4c31954f349dd98c415f

21381854 as geometric shapes

Circle

Radius = n

Diameter	42763708
Circumference	134346150.89306
Area	1.4362848919287E+15

Sphere

Radius = n

Volume	4.0947245148833E+22
Surface area	5.7451395677147E+15
Circumference	134346150.89306

Square

Length = n

Perimeter	85527416
Area	457183680477316
Diagonal	30238507.915481

Cube

Length = n

Surface area	2743102082863896
Volume	9.7754347071486E+21
Space diagonal	37034457.48802

Equilateral Triangle

Length = n

Perimeter	64145562
Area	1.9796634074451E+14
Altitude	18517228.74401

Triangular Pyramid

Length = n

Surface area	1.9796634074451E+14
Volume	1.1520460284119E+21
Height	10079502.638494