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

21000761 (number)

21000761 is an odd 8-digits prime number following 21000760 and preceding 21000762. In scientific notation, it is written as 2.1000761 × 10^7. The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors. There are 21000760 positive integers (up to 21000761) that are relatively prime to 21000761.

Interesting facts

21000761 has 2 divisors, whose sum is 21000762
The reverse of 21000761 is 16700012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	twenty-one million seven hundred sixty-one

Notation

Scientific notation	2.1000761 × 10^7
Engineering notation	2.1000761 × 10^6

Prime Factorization of 21000761

Prime Factorization 21000761

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21000761	Product of the distinct prime numbers

The prime factorization of 21000761 is 21000761. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 1, 7, 11, 663, 8, 7013, 6736, 98264, 46381, 714571, 355904, 1953370, 4340818, 89453149, 1688635, 270751566, 944785081, 304906812, 682748722

Basic calculations (n = 21000761)

Multiplication

n×y

n×2	42001522
n×3	63002283
n×4	84003044
n×5	105003805

Division

n÷y

n÷2	10500380.5
n÷3	7000253.6666667
n÷3	5250190.25
n÷5	4200152.2

Exponentiation

n^y

n²	441031962579121
n³	9.2620068394851E+21
n⁴	1.9450919201639E+29
n⁵	4.0848410538393E+36

Nth Root

^y√n

²√n	4582.6587261109
³√n	275.89575020309
⁴√n	67.695337550756
⁵√n	29.137145756103

Divisors of 21000761

1, 21000761

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21000762	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10500381	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4582.6588352178	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999047654	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000761 can be divided by 2 positive divisors. The sum of these divisors (counting 21000761) is 21000762, the average is 10500381.

Base conversion 21000761

Base	System	Value
2	Binary	1010000000111001000111001
3	Ternary	1110111221121222
4	Quaternary	1100013020321
5	Quinary	20334011021
6	Senary	2030041425
8	Octal	120071071
10	Decimal	21000761
12	Duodecimal	7049275
16	Hexadecimal	1407239
20	Vigesimal	6b51i1
36	Base36	ci4ah

Cryptographic Hash Functions

md5	8710153fc4e14a62ce2de0e2c9255583
sha1	7d03444ab3e9d26ea4b36be8cefc3eb928b1a82c
sha256	49857a99ee6d5acd3336d65c5b08a969b1356656a60c2ad748837ebe669b7970
sha512	d31325ff2df2600721d4f9ef25105f05f55b30ffe767d761a66911c281557e9e738ca69f51b9510ef178305c6e0bd6105b9472cd4a6948cd2f25508966da853b
ripemd-160	f2156f3d541558e1e1180fa9fea4a2bc1026a3ea

21000761 as geometric shapes

Circle

Radius = n

Diameter	42001522
Circumference	131951672.95479
Area	1.3855427736369E+15

Sphere

Radius = n

Volume	3.87966035259E+22
Surface area	5.5421710945474E+15
Circumference	131951672.95479

Square

Length = n

Perimeter	84003044
Area	441031962579121
Diagonal	29699561.026356

Cube

Length = n

Surface area	2646191775474726
Volume	9.2620068394851E+21
Space diagonal	36374385.049611

Equilateral Triangle

Length = n

Perimeter	63002283
Area	1.9097244173721E+14
Altitude	18187192.524805

Triangular Pyramid

Length = n

Surface area	1.9097244173721E+14
Volume	1.0915379739327E+21
Height	9899853.675452