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

21000388 (number)

21000388 is an even 8-digits composite number following 21000387 and preceding 21000389. In scientific notation, it is written as 2.1000388 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 10489472 positive integers (up to 21000388) that are relatively prime to 21000388.

Interesting facts

21000388 has 12 divisors, whose sum is 36788220
The reverse of 21000388 is 88300012
Previous prime number is 1289

Basic properties

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

Name

Name	twenty-one million three hundred eighty-eight

Notation

Scientific notation	2.1000388 × 10^7
Engineering notation	2.1000388 × 10^6

Prime Factorization of 21000388

Prime Factorization 2 × 2 × 1289 × 4073

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10500194	Product of the distinct prime numbers

The prime factorization of 21000388 is 2 × 2 × 1289 × 4073. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 27, 88, 914, 735, 6325, 7323, 83223, 82530, 64376, 572533, 338289, 2219186, 15089851, 29045103, 330185939, 139739556, 1632810443, 2815008167

Basic calculations (n = 21000388)

Multiplication

n×y

n×2	42000776
n×3	63001164
n×4	84001552
n×5	105001940

Division

n÷y

n÷2	10500194
n÷3	7000129.3333333
n÷3	5250097
n÷5	4200077.6

Exponentiation

n^y

n²	441016296150544
n³	9.2615133334843E+21
n⁴	1.9449537347034E+29
n⁵	4.0844783070821E+36

Nth Root

^y√n

²√n	4582.618029031
³√n	275.8941167746
⁴√n	67.695036960113
⁵√n	29.137042252877

Divisors of 21000388

1, 2, 4, 1289, 2578, 4073, 5156, 8146, 16292, 5250097, 10500194, 21000388

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000387	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000388 can be divided by 12 positive divisors. The sum of these divisors (counting 21000388) is 1, the average is 0.083333333333333.

Base conversion 21000388

Base	System	Value
2	Binary	1010000000111000011000100
3	Ternary	1110111221010011
4	Quaternary	1100013003010
5	Quinary	20334003023
6	Senary	2030040004
8	Octal	120070304
10	Decimal	21000388
12	Duodecimal	7049004
16	Hexadecimal	14070c4
20	Vigesimal	6b50j8
36	Base36	ci404

Cryptographic Hash Functions

md5	781987d78995ee4c08b5f5f329b71b66
sha1	fbf7d5f4c2e73089c529840a5ad5060b0b7542bb
sha256	7e5b0e9ebaabbc5183acdbd8dcc25d85eb75816ec1ba41be4abbc0f92dfa2526
sha512	a7d2cf26fc73c819fb7c5a2ba4e1431514a2ab42491ef4a218316827c635c21946b10dfb6745d8442ae405f74d1b322231d902b03954efd3142ec3ced4942700
ripemd-160	2904e6e05fa9e9611116bb59823aad9992de5d38

21000388 as geometric shapes

Circle

Radius = n

Diameter	42000776
Circumference	131949329.32667
Area	1.3854935560999E+15

Sphere

Radius = n

Volume	3.8794536332798E+22
Surface area	5.5419742243997E+15
Circumference	131949329.32667

Square

Length = n

Perimeter	84001552
Area	441016296150544
Diagonal	29699033.524697

Cube

Length = n

Surface area	2646097776903264
Volume	9.2615133334843E+21
Space diagonal	36373738.99466

Equilateral Triangle

Length = n

Perimeter	63001164
Area	1.9096565797465E+14
Altitude	18186869.49733

Triangular Pyramid

Length = n

Surface area	1.9096565797465E+14
Volume	1.0914798136927E+21
Height	9899677.8415657