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

21000666 (number)

21000666 is an even 8-digits composite number following 21000665 and preceding 21000667. In scientific notation, it is written as 2.1000666 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 7000220 positive integers (up to 21000666) that are relatively prime to 21000666.

Interesting facts

21000666 has 8 divisors, whose sum is 42001344
The reverse of 21000666 is 66600012
Previous prime number is 3

Basic properties

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

Name

Name	twenty-one million six hundred sixty-six

Notation

Scientific notation	2.1000666 × 10^7
Engineering notation	2.1000666 × 10^6

Prime Factorization of 21000666

Prime Factorization 2 × 3 × 3500111

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000666	Product of the distinct prime numbers

The prime factorization of 21000666 is 2 × 3 × 3500111. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 1, 76, 700, 180, 939, 6016, 28374, 17691, 740271, 63189, 1242342, 1339841, 81627266, 56270657, 173882895, 801103506, 4225675772, 7660840693

Basic calculations (n = 21000666)

Multiplication

n×y

n×2	42001332
n×3	63001998
n×4	84002664
n×5	105003330

Division

n÷y

n÷2	10500333
n÷3	7000222
n÷3	5250166.5
n÷5	4200133.2

Exponentiation

n^y

n²	441027972443556
n³	9.2618811459443E+21
n⁴	1.9450567247767E+29
n⁵	4.084748662809E+36

Nth Root

^y√n

²√n	4582.6483609372
³√n	275.89533418427
⁴√n	67.695260993198
⁵√n	29.137119394831

Divisors of 21000666

1, 2, 3, 6, 3500111, 7000222, 10500333, 21000666

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	-21000665	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 21000666 can be divided by 8 positive divisors. The sum of these divisors (counting 21000666) is 1, the average is 0.125.

Base conversion 21000666

Base	System	Value
2	Binary	1010000000111000111011010
3	Ternary	1110111221111110
4	Quaternary	1100013013122
5	Quinary	20334010131
6	Senary	2030041150
8	Octal	120070732
10	Decimal	21000666
12	Duodecimal	70491b6
16	Hexadecimal	14071da
20	Vigesimal	6b51d6
36	Base36	ci47u

Cryptographic Hash Functions

md5	f1c652a0b9b11e62f5e4a3591c7ad970
sha1	9e1e644bea55d9266373e9f819fafe505ffbda71
sha256	b042b4cdcf70b4d34163e9635517f91999ddfa407793bba7b547d2053baac6d4
sha512	479ed9547b3c9d9d060cb8690d87061c4abf8b654ee3f009eb9df3e84ac5936f45c060007b6b6e980db2c8040472c09f130aba41a6a3c558d92c7dda71a4341f
ripemd-160	662b4830b690f14d7fa6d34ac4ced8de926bcf80

21000666 as geometric shapes

Circle

Radius = n

Diameter	42001332
Circumference	131951076.05219
Area	1.3855302382563E+15

Sphere

Radius = n

Volume	3.8796077022027E+22
Surface area	5.5421209530251E+15
Circumference	131951076.05219

Square

Length = n

Perimeter	84002664
Area	441027972443556
Diagonal	29699426.676068

Cube

Length = n

Surface area	2646167834661336
Volume	9.2618811459443E+21
Space diagonal	36374220.504784

Equilateral Triangle

Length = n

Perimeter	63001998
Area	1.9097071395783E+14
Altitude	18187110.252392

Triangular Pyramid

Length = n

Surface area	1.9097071395783E+14
Volume	1.0915231608068E+21
Height	9899808.8920225