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

21000765 (number)

21000765 is an odd 8-digits composite number following 21000764 and preceding 21000766. In scientific notation, it is written as 2.1000765 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 11200400 positive integers (up to 21000765) that are relatively prime to 21000765.

Interesting facts

21000765 has 8 divisors, whose sum is 33601248
The reverse of 21000765 is 56700012
Previous prime number is 5

Basic properties

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

Name

Name	twenty-one million seven hundred sixty-five

Notation

Scientific notation	2.1000765 × 10^7
Engineering notation	2.1000765 × 10^6

Prime Factorization of 21000765

Prime Factorization 3 × 5 × 1400051

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000765	Product of the distinct prime numbers

The prime factorization of 21000765 is 3 × 5 × 1400051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 56, 46, 745, 557, 4006, 8837, 8370, 79047, 44495, 554247, 9456775, 3988659, 12223637, 30596904, 513523404, 12603615, 6614976953, 1811025451

Basic calculations (n = 21000765)

Multiplication

n×y

n×2	42001530
n×3	63002295
n×4	84003060
n×5	105003825

Division

n÷y

n÷2	10500382.5
n÷3	7000255
n÷3	5250191.25
n÷5	4200153

Exponentiation

n^y

n²	441032130585225
n³	9.2620121318696E+21
n⁴	1.9450934020854E+29
n⁵	4.0848449440247E+36

Nth Root

^y√n

²√n	4582.6591625387
³√n	275.89576771965
⁴√n	67.695340774227
⁵√n	29.137146866049

Divisors of 21000765

1, 3, 5, 15, 1400051, 4200153, 7000255, 21000765

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	-21000764	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 21000765 can be divided by 8 positive divisors. The sum of these divisors (counting 21000765) is 1, the average is 0.125.

Base conversion 21000765

Base	System	Value
2	Binary	1010000000111001000111101
3	Ternary	1110111221122010
4	Quaternary	1100013020331
5	Quinary	20334011030
6	Senary	2030041433
8	Octal	120071075
10	Decimal	21000765
12	Duodecimal	7049279
16	Hexadecimal	140723d
20	Vigesimal	6b51i5
36	Base36	ci4al

Cryptographic Hash Functions

md5	de60995c5ba76cb80b45d98aa7cfd175
sha1	4ceeb0a86ba162ff27a44feba68d773e28c5bc48
sha256	85e478b28ea0724cdbc66d9eb444dff539f899ad4ae8a67b036300b6f80e8f4d
sha512	da5b302729858a7b990bf0f2436d2e376037518a0c13ab4092bdc6e25f5e3a85af931389473aa9b9c80ff9dc9e11582d7f93f850435c65c48cae246cc285f603
ripemd-160	18891415bdd65034c5976fb10bb334d5faca9fe9

21000765 as geometric shapes

Circle

Radius = n

Diameter	42001530
Circumference	131951698.08753
Area	1.3855433014436E+15

Sphere

Radius = n

Volume	3.8796625694588E+22
Surface area	5.5421732057744E+15
Circumference	131951698.08753

Square

Length = n

Perimeter	84003060
Area	441032130585225
Diagonal	29699566.68321

Cube

Length = n

Surface area	2646192783511350
Volume	9.2620121318696E+21
Space diagonal	36374391.977814

Equilateral Triangle

Length = n

Perimeter	63002295
Area	1.9097251448599E+14
Altitude	18187195.988907

Triangular Pyramid

Length = n

Surface area	1.9097251448599E+14
Volume	1.0915385976462E+21
Height	9899855.5610701