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

21000807 (number)

21000807 is an odd 8-digits composite number following 21000806 and preceding 21000808. In scientific notation, it is written as 2.1000807 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13822848 positive integers (up to 21000807) that are relatively prime to 21000807.

Interesting facts

21000807 has 8 divisors, whose sum is 23630400
The reverse of 21000807 is 70800012
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty-one million eight hundred seven

Notation

Scientific notation	2.1000807 × 10^7
Engineering notation	2.1000807 × 10^6

Prime Factorization of 21000807

Prime Factorization 9 × 79 × 29537

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000807	Product of the distinct prime numbers

The prime factorization of 21000807 is 9 × 79 × 29537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 88, 93, 946, 980, 2148, 7107, 46982, 77540, 176644, 537793, 439995, 5906446, 11865981, 2391166, 578404775, 620327914, 520288246, 6667457616

Basic calculations (n = 21000807)

Multiplication

n×y

n×2	42001614
n×3	63002421
n×4	84003228
n×5	105004035

Division

n÷y

n÷2	10500403.5
n÷3	7000269
n÷3	5250201.75
n÷5	4200161.4

Exponentiation

n^y

n²	441033894651249
n³	9.2620677020292E+21
n⁴	1.9451089623125E+29
n⁵	4.0848857911495E+36

Nth Root

^y√n

²√n	4582.6637450286
³√n	275.89595164334
⁴√n	67.695374620639
⁵√n	29.137158520474

Divisors of 21000807

1, 9, 79, 711, 29537, 265833, 2333423, 21000807

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	-21000806	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 21000807 can be divided by 8 positive divisors. The sum of these divisors (counting 21000807) is 1, the average is 0.125.

Base conversion 21000807

Base	System	Value
2	Binary	1010000000111001001100111
3	Ternary	1110111221200200
4	Quaternary	1100013021213
5	Quinary	20334011212
6	Senary	2030041543
8	Octal	120071147
10	Decimal	21000807
12	Duodecimal	70492b3
16	Hexadecimal	1407267
20	Vigesimal	6b5207
36	Base36	ci4br

Cryptographic Hash Functions

md5	d66b3c51ee4cffd6d94d6bd7cd0f2c3f
sha1	adab92eea4966ad4b9f43ae845e4186e2e37a445
sha256	d54ec8210e0e0c7675f28b1d1c4b827636018cf4df29dac8af08568eb121b583
sha512	a4a61788a3dfbb3228a63d9efc876dc83740ae232dafdd1669dee084c38577073404801b110fe2c1c5ffd6dc8910859019d2df619011935e5a71d1b1f3d5cf95
ripemd-160	cfe65c57eff6edf5b4e1bf03c11bdc8c951adbb7

21000807 as geometric shapes

Circle

Radius = n

Diameter	42001614
Circumference	131951961.98131
Area	1.3855488434205E+15

Sphere

Radius = n

Volume	3.8796858466328E+22
Surface area	5.5421953736818E+15
Circumference	131951961.98131

Square

Length = n

Perimeter	84003228
Area	441033894651249
Diagonal	29699626.08018

Cube

Length = n

Surface area	2646203367907494
Volume	9.2620677020292E+21
Space diagonal	36374464.723948

Equilateral Triangle

Length = n

Perimeter	63002421
Area	1.9097327834899E+14
Altitude	18187232.361974

Triangular Pyramid

Length = n

Surface area	1.9097327834899E+14
Volume	1.0915451466523E+21
Height	9899875.3600599