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

21021608 (number)

21021608 is an even 8-digits composite number following 21021607 and preceding 21021609. In scientific notation, it is written as 2.1021608 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 8 positive divisors. There are 10510800 positive integers (up to 21021608) that are relatively prime to 21021608.

Interesting facts

21021608 has 8 divisors, whose sum is 39415530
The reverse of 21021608 is 80612012
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.1021608 × 10^7
Engineering notation	2.1021608 × 10^6

Prime Factorization of 21021608

Prime Factorization 2 × 2 × 2 × 2627701

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	5255402	Product of the distinct prime numbers

The prime factorization of 21021608 is 2 × 2 × 2 × 2627701. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 89, 42, 368, 981, 8484, 7065, 90311, 15115, 223955, 984790, 9061625, 8867462, 6944166, 42702315, 83219515, 171545100, 2340059243, 9324023192

Basic calculations (n = 21021608)

Multiplication

n×y

n×2	42043216
n×3	63064824
n×4	84086432
n×5	105108040

Division

n÷y

n÷2	10510804
n÷3	7007202.6666667
n÷3	5255402
n÷5	4204321.6

Exponentiation

n^y

n²	441908002905664
n³	9.2896168091457E+21
n⁴	1.9528268303207E+29
n⁵	4.1051560118885E+36

Nth Root

^y√n

²√n	4584.9327148825
³√n	275.98701192119
⁴√n	67.712131223899
⁵√n	29.142928223046

Divisors of 21021608

1, 2, 4, 8, 2627701, 5255402, 10510804, 21021608

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21021607	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21021608 can be divided by 8 positive divisors. The sum of these divisors (counting 21021608) is 1, the average is 0.125.

Base conversion 21021608

Base	System	Value
2	Binary	1010000001100001110101000
3	Ternary	1110120000020002
4	Quaternary	1100030032220
5	Quinary	20340142413
6	Senary	2030322132
8	Octal	120141650
10	Decimal	21021608
12	Duodecimal	7059348
16	Hexadecimal	140c3a8
20	Vigesimal	6b7e08
36	Base36	cikdk

Cryptographic Hash Functions

md5	ed9a886e3e3db98b42cb67aa82571ac8
sha1	20f109418c0ba6f63debda0592f6ea99598af25e
sha256	b969a5253507387b17aad5a1285cd5b5ac036faa71ee0e66bef6dbe484f94e63
sha512	2eeeea79ba7a5fa1a76244725d6036b7169b0086dfaaec49c06fc4e69c0545f9aa08cd7ca2a36025020484e8cae6319ae619ab116ce8882184b21808c96641b4
ripemd-160	9dff8fdd737eac29ee267147e1f4b34bebe216f7

21021608 as geometric shapes

Circle

Radius = n

Diameter	42043216
Circumference	132082658.51889
Area	1.388294935491E+15

Sphere

Radius = n

Volume	3.8912255896369E+22
Surface area	5.5531797419639E+15
Circumference	132082658.51889

Square

Length = n

Perimeter	84086432
Area	441908002905664
Diagonal	29729043.136491

Cube

Length = n

Surface area	2651448017433984
Volume	9.2896168091457E+21
Space diagonal	36410493.112796

Equilateral Triangle

Length = n

Perimeter	63064824
Area	1.9135177832598E+14
Altitude	18205246.556398

Triangular Pyramid

Length = n

Surface area	1.9135177832598E+14
Volume	1.0947918400619E+21
Height	9909681.0454969