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

21000455 (number)

21000455 is an odd 8-digits composite number following 21000454 and preceding 21000456. In scientific notation, it is written as 2.1000455 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors. There are 14127360 positive integers (up to 21000455) that are relatively prime to 21000455.

Interesting facts

21000455 has 16 divisors, whose sum is 29346624
The reverse of 21000455 is 55400012
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	twenty-one million four hundred fifty-five

Notation

Scientific notation	2.1000455 × 10^7
Engineering notation	2.1000455 × 10^6

Prime Factorization of 21000455

Prime Factorization 5 × 7 × 53 × 11321

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21000455	Product of the distinct prime numbers

The prime factorization of 21000455 is 5 × 7 × 53 × 11321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 11, 70, 908, 615, 6800, 5419, 23898, 82315, 891581, 937517, 7154775, 3870916, 21883709, 96143968, 641261796, 885371365, 3292191750, 2391263068

Basic calculations (n = 21000455)

Multiplication

n×y

n×2	42000910
n×3	63001365
n×4	84001820
n×5	105002275

Division

n÷y

n÷2	10500227.5
n÷3	7000151.6666667
n÷3	5250113.75
n÷5	4200091

Exponentiation

n^y

n²	441019110207025
n³	9.2616019780427E+21
n⁴	1.944978555678E+29
n⁵	4.084543463448E+36

Nth Root

^y√n

²√n	4582.625339257
³√n	275.89441018007
⁴√n	67.695090953901
⁵√n	29.137060844718

Divisors of 21000455

1, 5, 7, 35, 53, 265, 371, 1855, 11321, 56605, 79247, 396235, 600013, 3000065, 4200091, 21000455

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000454	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000455 can be divided by 16 positive divisors. The sum of these divisors (counting 21000455) is 1, the average is 0.0625.

Base conversion 21000455

Base	System	Value
2	Binary	1010000000111000100000111
3	Ternary	1110111221012122
4	Quaternary	1100013010013
5	Quinary	20334003310
6	Senary	2030040155
8	Octal	120070407
10	Decimal	21000455
12	Duodecimal	704905b
16	Hexadecimal	1407107
20	Vigesimal	6b512f
36	Base36	ci41z

Cryptographic Hash Functions

md5	cd68eb01c85ca4c8ae70aa0ee8e5de16
sha1	8253b8d107becb1ace00d35a6d7c2a88d4a4f90a
sha256	5e35bf34c00adbfe9c7105ae828dbfbba01610b574eb65c5e2ea4d23d5f75fec
sha512	e0615485910621d9a5184027e8306459e46237636a5946195c26b8eb73f3fb4f29c3c7e6db562e0b923d173f900d5314ffbee2df8f8b84b31b64cb92ae34dcbc
ripemd-160	d8e036a20d41e1df720923e69802a97c099cedeb

21000455 as geometric shapes

Circle

Radius = n

Diameter	42000910
Circumference	131949750.30009
Area	1.3855023967191E+15

Sphere

Radius = n

Volume	3.8794907646255E+22
Surface area	5.5420095868764E+15
Circumference	131949750.30009

Square

Length = n

Perimeter	84001820
Area	441019110207025
Diagonal	29699128.277006

Cube

Length = n

Surface area	2646114661242150
Volume	9.2616019780427E+21
Space diagonal	36373855.042064

Equilateral Triangle

Length = n

Perimeter	63001365
Area	1.9096687649685E+14
Altitude	18186927.521032

Triangular Pyramid

Length = n

Surface area	1.9096687649685E+14
Volume	1.0914902605541E+21
Height	9899709.4256686