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

21356561 (number)

21356561 is an odd 8-digits composite number following 21356560 and preceding 21356562. In scientific notation, it is written as 2.1356561 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 21330672 positive integers (up to 21356561) that are relatively prime to 21356561.

Interesting facts

21356561 has 4 divisors, whose sum is 21382452
The reverse of 21356561 is 16565312
Previous prime number is 853

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million three hundred fifty-six thousand five hundred sixty-one

Notation

Scientific notation	2.1356561 × 10^7
Engineering notation	2.1356561 × 10^6

Prime Factorization of 21356561

Prime Factorization 853 × 25037

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21356561	Product of the distinct prime numbers

The prime factorization of 21356561 is 853 × 25037. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 27, 10, 585, 408, 8231, 6148, 9608, 63769, 590018, 213641, 7721805, 9163658, 89416546, 41149571, 701789821, 831686480, 5174705801, 9908119486

Basic calculations (n = 21356561)

Multiplication

n×y

n×2	42713122
n×3	64069683
n×4	85426244
n×5	106782805

Division

n÷y

n÷2	10678280.5
n÷3	7118853.6666667
n÷3	5339140.25
n÷5	4271312.2

Exponentiation

n^y

n²	456102697746721
n³	9.7407850866924E+21
n⁴	2.0802967089184E+29
n⁵	4.4427983562114E+36

Nth Root

^y√n

²√n	4621.3159381284
³√n	277.44513050906
⁴√n	67.980261386144
⁵√n	29.235213118567

Divisors of 21356561

1, 853, 25037, 21356561

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	-21356560	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 21356561 can be divided by 4 positive divisors. The sum of these divisors (counting 21356561) is 1, the average is 0.25.

Base conversion 21356561

Base	System	Value
2	Binary	1010001011110000000010001
3	Ternary	1111012000200202
4	Quaternary	1101132000101
5	Quinary	20431402221
6	Senary	2041424545
8	Octal	121360021
10	Decimal	21356561
12	Duodecimal	719b155
16	Hexadecimal	145e011
20	Vigesimal	6d9b81
36	Base36	cpqtt

Cryptographic Hash Functions

md5	8f5477682f985e3447fcd0d7eb2e2bd9
sha1	82860ee1ab8677c000d2b416aefa23a40bec2736
sha256	5d75f46ea733c7f5a86caf32e55ffde2ad06e08475ed83eef6e4ac8d7c4c6376
sha512	e0a9275483b072fc863ddfba994eb12fe5ae4bb1991ae1481fd70e46932e699797060501d1fd15a7c8c271adece644416972095ba726cbc01a798a3a3d1c453b
ripemd-160	7a57ce70f320a7a36783723016bf380b1ac324b5

21356561 as geometric shapes

Circle

Radius = n

Diameter	42713122
Circumference	134187230.28708
Area	1.4328888845236E+15

Sphere

Radius = n

Volume	4.0802105158067E+22
Surface area	5.7315555380943E+15
Circumference	134187230.28708

Square

Length = n

Perimeter	85426244
Area	456102697746721
Diagonal	30202738.211848

Cube

Length = n

Surface area	2736616186480326
Volume	9.7407850866924E+21
Space diagonal	36990648.726944

Equilateral Triangle

Length = n

Perimeter	64069683
Area	1.9749826149164E+14
Altitude	18495324.363472

Triangular Pyramid

Length = n

Surface area	1.9749826149164E+14
Volume	1.1479625314802E+21
Height	10067579.403949