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

21541381 (number)

21541381 is an odd 8-digits composite number following 21541380 and preceding 21541382. In scientific notation, it is written as 2.1541381 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21328000 positive integers (up to 21541381) that are relatively prime to 21541381.

Interesting facts

21541381 has 4 divisors, whose sum is 21754764
The reverse of 21541381 is 18314512
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million five hundred forty-one thousand three hundred eighty-one

Notation

Scientific notation	2.1541381 × 10^7
Engineering notation	2.1541381 × 10^6

Prime Factorization of 21541381

Prime Factorization 101 × 213281

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21541381	Product of the distinct prime numbers

The prime factorization of 21541381 is 101 × 213281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 2, 8, 71, 917, 9908, 5119, 68653, 39008, 995030, 392204, 510005, 1034281, 74276257, 42166568, 708928906, 355218362, 1492840082, 8822131803

Basic calculations (n = 21541381)

Multiplication

n×y

n×2	43082762
n×3	64624143
n×4	86165524
n×5	107706905

Division

n÷y

n÷2	10770690.5
n÷3	7180460.3333333
n÷3	5385345.25
n÷5	4308276.2

Exponentiation

n^y

n²	464031095387161
n³	9.9958706215822E+21
n⁴	2.1532485748621E+29
n⁵	4.6383947938811E+36

Nth Root

^y√n

²√n	4641.2693306896
³√n	278.24317094286
⁴√n	68.12686203466
⁵√n	29.285639258736

Divisors of 21541381

1, 101, 213281, 21541381

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	-21541380	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 21541381 can be divided by 4 positive divisors. The sum of these divisors (counting 21541381) is 1, the average is 0.25.

Base conversion 21541381

Base	System	Value
2	Binary	1010010001011001000000101
3	Ternary	1111112102012221
4	Quaternary	1102023020011
5	Quinary	21003311011
6	Senary	2045412341
8	Octal	122131005
10	Decimal	21541381
12	Duodecimal	726a0b1
16	Hexadecimal	148b205
20	Vigesimal	6ecd91
36	Base36	ctpfp

Cryptographic Hash Functions

md5	6635c1585b935a6666d0e897ae9722f5
sha1	eb990f15479a1c1fef28d3be08ec984a3da6d494
sha256	cc16ed43b66acbd0ee3b0421c3111bc4c1abe2895ac7974b91a98a2662b885f8
sha512	1edcca9044b9676ba60198e35e21e51cd5e8c7041051720620f702b3eb238e712972c045be0682a8c18b598b64aaa4b72746b1826660c967ff35b029ce6fc512
ripemd-160	5ff0ee9977199e629366d9b3c39427ce69cbf1be

21541381 as geometric shapes

Circle

Radius = n

Diameter	43082762
Circumference	135348488.59556
Area	1.4577966803055E+15

Sphere

Radius = n

Volume	4.1870604947995E+22
Surface area	5.8311867212221E+15
Circumference	135348488.59556

Square

Length = n

Perimeter	86165524
Area	464031095387161
Diagonal	30464113.162446

Cube

Length = n

Surface area	2784186572322966
Volume	9.9958706215822E+21
Space diagonal	37310766.357199

Equilateral Triangle

Length = n

Perimeter	64624143
Area	2.009313583756E+14
Altitude	18655383.178599

Triangular Pyramid

Length = n

Surface area	2.009313583756E+14
Volume	1.178024650064E+21
Height	10154704.387482