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

21105427 (number)

21105427 is an odd 8-digits composite number following 21105426 and preceding 21105428. In scientific notation, it is written as 2.1105427 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18090324 positive integers (up to 21105427) that are relatively prime to 21105427.

Interesting facts

21105427 has 4 divisors, whose sum is 21536200
The reverse of 21105427 is 72450112
Previous prime number is 49

Basic properties

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

Name

Name	twenty-one million one hundred five thousand four hundred twenty-seven

Notation

Scientific notation	2.1105427 × 10^7
Engineering notation	2.1105427 × 10^6

Prime Factorization of 21105427

Prime Factorization 49 × 430723

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21105427	Product of the distinct prime numbers

The prime factorization of 21105427 is 49 × 430723. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 12, 67, 680, 581, 6164, 4625, 87547, 93344, 380053, 587019, 4123964, 2073605, 11017172, 86616288, 518226351, 66768470, 2680391664, 5745797004

Basic calculations (n = 21105427)

Multiplication

n×y

n×2	42210854
n×3	63316281
n×4	84421708
n×5	105527135

Division

n÷y

n÷2	10552713.5
n÷3	7035142.3333333
n÷3	5276356.75
n÷5	4221085.4

Exponentiation

n^y

n²	445439048852329
n³	9.4011813285023E+21
n⁴	1.9841594624247E+29
n⁵	4.1876532690563E+36

Nth Root

^y√n

²√n	4594.0643225797
³√n	276.35333780574
⁴√n	67.779527311569
⁵√n	29.166131438098

Divisors of 21105427

1, 49, 430723, 21105427

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	-21105426	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 21105427 can be divided by 4 positive divisors. The sum of these divisors (counting 21105427) is 1, the average is 0.25.

Base conversion 21105427

Base	System	Value
2	Binary	1010000100000101100010011
3	Ternary	1110201021012111
4	Quaternary	1100200230103
5	Quinary	20400333202
6	Senary	2032210151
8	Octal	120405423
10	Decimal	21105427
12	Duodecimal	7099957
16	Hexadecimal	1420b13
20	Vigesimal	6bi3b7
36	Base36	ckd1v

Cryptographic Hash Functions

md5	7d3cd138ae03ee30f082355baa14bea4
sha1	f8a0341d648961228eb9142417dccb3bd339ba41
sha256	c8e6ea7dbf5bfc26bf29db1ea1a27eef92fd7e2c09b6d3bdaac54842a1ba3554
sha512	24b1b196acfb1992373bfc710b0f4a7801f0d4f0dd65e8dfdcf42d633258406f8487ffbb519ad9bc70e5e1f389d0a625d9504670e3db36b88950638b4d08e632
ripemd-160	1ba0a776c3548ee7b5e1f5ab01727a1fe31e85b3

21105427 as geometric shapes

Circle

Radius = n

Diameter	42210854
Circumference	132609308.82815
Area	1.3993880434965E+15

Sphere

Radius = n

Volume	3.9379576262251E+22
Surface area	5.597552173986E+15
Circumference	132609308.82815

Square

Length = n

Perimeter	84421708
Area	445439048852329
Diagonal	29847581.103075

Cube

Length = n

Surface area	2672634293113974
Volume	9.4011813285023E+21
Space diagonal	36555671.879436

Equilateral Triangle

Length = n

Perimeter	63316281
Area	1.9288076607185E+14
Altitude	18277835.939718

Triangular Pyramid

Length = n

Surface area	1.9288076607185E+14
Volume	1.1079398447581E+21
Height	9949193.7010251