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

21000639 (number)

21000639 is an odd 8-digits composite number following 21000638 and preceding 21000640. In scientific notation, it is written as 2.1000639 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 12727440 positive integers (up to 21000639) that are relatively prime to 21000639.

Interesting facts

21000639 has 12 divisors, whose sum is 30778328
The reverse of 21000639 is 93600012
Previous prime number is 11

Basic properties

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

Name

Name	twenty-one million six hundred thirty-nine

Notation

Scientific notation	2.1000639 × 10^7
Engineering notation	2.1000639 × 10^6

Prime Factorization of 21000639

Prime Factorization 3 × 11 × 11 × 57853

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	1909149	Product of the distinct prime numbers

The prime factorization of 21000639 is 3 × 11 × 11 × 57853. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 21, 42, 295, 584, 6723, 2824, 95429, 45051, 961282, 965150, 2515924, 8855307, 56027778, 48460898, 619070794, 805040641, 4145037016, 5584313956

Basic calculations (n = 21000639)

Multiplication

n×y

n×2	42001278
n×3	63001917
n×4	84002556
n×5	105003195

Division

n÷y

n÷2	10500319.5
n÷3	7000213
n÷3	5250159.75
n÷5	4200127.8

Exponentiation

n^y

n²	441026838408321
n³	9.2618454227245E+21
n⁴	1.9450467219644E+29
n⁵	4.0847224046108E+36

Nth Root

^y√n

²√n	4582.6454150414
³√n	275.89521594711
⁴√n	67.695239234686
⁵√n	29.137111902663

Divisors of 21000639

1, 3, 11, 33, 121, 363, 57853, 173559, 636383, 1909149, 7000213, 21000639

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	-21000638	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 21000639 can be divided by 12 positive divisors. The sum of these divisors (counting 21000639) is 1, the average is 0.083333333333333.

Base conversion 21000639

Base	System	Value
2	Binary	1010000000111000110111111
3	Ternary	1110111221110110
4	Quaternary	1100013012333
5	Quinary	20334010024
6	Senary	2030041103
8	Octal	120070677
10	Decimal	21000639
12	Duodecimal	7049193
16	Hexadecimal	14071bf
20	Vigesimal	6b51bj
36	Base36	ci473

Cryptographic Hash Functions

md5	e573474190ac4a1f1460e2755f5ab805
sha1	5bf7f06ff56a58bd3bfc68739e845e7bbabe600c
sha256	983579f8fd55c1a55de785e1e9c6018b1d8ffe00851abf003de7ff2fc0667185
sha512	79850ed094b55843029e72b37f4ecf0a32e3568352b48627fe4fe9917280d0cf745fd59f2069b46ba91954d0005854a37ed1f766923a6630976a9bd3072ec891
ripemd-160	97b2341f704ce844666b5e3a4b1d66f1df8fefff

21000639 as geometric shapes

Circle

Radius = n

Diameter	42001278
Circumference	131950906.40618
Area	1.3855266755795E+15

Sphere

Radius = n

Volume	3.8795927384954E+22
Surface area	5.5421067023181E+15
Circumference	131950906.40618

Square

Length = n

Perimeter	84002556
Area	441026838408321
Diagonal	29699388.492301

Cube

Length = n

Surface area	2646161030449926
Volume	9.2618454227245E+21
Space diagonal	36374173.739412

Equilateral Triangle

Length = n

Perimeter	63001917
Area	1.9097022290617E+14
Altitude	18187086.869706

Triangular Pyramid

Length = n

Surface area	1.9097022290617E+14
Volume	1.091518950785E+21
Height	9899796.1641005