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

21009621 (number)

21009621 is an odd 8-digits composite number following 21009620 and preceding 21009622. In scientific notation, it is written as 2.1009621 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14006412 positive integers (up to 21009621) that are relatively prime to 21009621.

Interesting facts

21009621 has 4 divisors, whose sum is 28012832
The reverse of 21009621 is 12690012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million nine thousand six hundred twenty-one

Notation

Scientific notation	2.1009621 × 10^7
Engineering notation	2.1009621 × 10^6

Prime Factorization of 21009621

Prime Factorization 3 × 7003207

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21009621	Product of the distinct prime numbers

The prime factorization of 21009621 is 3 × 7003207. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 78, 60, 245, 471, 1714, 5298, 77949, 11625, 997734, 796163, 623413, 35314, 26640427, 90810476, 798501076, 259204075, 3206947091, 9900145724

Basic calculations (n = 21009621)

Multiplication

n×y

n×2	42019242
n×3	63028863
n×4	84038484
n×5	105048105

Division

n÷y

n÷2	10504810.5
n÷3	7003207
n÷3	5252405.25
n÷5	4201924.2

Exponentiation

n^y

n²	441404174563641
n³	9.2737344153999E+21
n⁴	1.9483764532221E+29
n⁵	4.093465084752E+36

Nth Root

^y√n

²√n	4583.625311912
³√n	275.93454391898
⁴√n	67.702476409006
⁵√n	29.139603872333

Divisors of 21009621

1, 3, 7003207, 21009621

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	-21009620	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 21009621 can be divided by 4 positive divisors. The sum of these divisors (counting 21009621) is 1, the average is 0.25.

Base conversion 21009621

Base	System	Value
2	Binary	1010000001001010011010101
3	Ternary	1110112101210010
4	Quaternary	1100021103111
5	Quinary	20334301441
6	Senary	2030150433
8	Octal	120112325
10	Decimal	21009621
12	Duodecimal	7052419
16	Hexadecimal	14094d5
20	Vigesimal	6b6411
36	Base36	cib4l

Cryptographic Hash Functions

md5	f46543b2be5852909241f646cfa19f7e
sha1	59fd3fffe5ce3f3d4f8b8f8b56324482c00e01e5
sha256	bb3fdf22c34c464c558418f62b3d5c4c6c4f985439fabd4c49d5a7924a250cd6
sha512	095492b5858d46448fa9d97664490dccb305875d490160bbbea9210ef72aa743a98481c0c0f6324c1d0768c7e7fdf2520bc464ce5450a3b7f4915267eb1ccd1c
ripemd-160	3ed7998dd819e02da93e9cc97a3b5fe77801c3f3

21009621 as geometric shapes

Circle

Radius = n

Diameter	42019242
Circumference	132007341.97661
Area	1.386712112073E+15

Sphere

Radius = n

Volume	3.8845727881018E+22
Surface area	5.546848448292E+15
Circumference	132007341.97661

Square

Length = n

Perimeter	84038484
Area	441404174563641
Diagonal	29712090.958519

Cube

Length = n

Surface area	2648425047381846
Volume	9.2737344153999E+21
Space diagonal	36389731.019766

Equilateral Triangle

Length = n

Perimeter	63028863
Area	1.9113361425431E+14
Altitude	18194865.509883

Triangular Pyramid

Length = n

Surface area	1.9113361425431E+14
Volume	1.0929200820087E+21
Height	9904030.3195062