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

21000681 (number)

21000681 is an odd 8-digits composite number following 21000680 and preceding 21000682. In scientific notation, it is written as 2.1000681 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 11803968 positive integers (up to 21000681) that are relatively prime to 21000681.

Interesting facts

21000681 has 8 divisors, whose sum is 21393344
The reverse of 21000681 is 18600012
Previous prime number is 423

Basic properties

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

Name

Name	twenty-one million six hundred eighty-one

Notation

Scientific notation	2.1000681 × 10^7
Engineering notation	2.1000681 × 10^6

Prime Factorization of 21000681

Prime Factorization 741 × 423 × 67

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000681	Product of the distinct prime numbers

The prime factorization of 21000681 is 741 × 423 × 67. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 14, 71, 714, 404, 2081, 473, 24436, 59973, 340924, 863552, 2570250, 6689139, 49364947, 25108055, 535737151, 709407792, 2505536935, 3247665429

Basic calculations (n = 21000681)

Multiplication

n×y

n×2	42001362
n×3	63002043
n×4	84002724
n×5	105003405

Division

n÷y

n÷2	10500340.5
n÷3	7000227
n÷3	5250170.25
n÷5	4200136.2

Exponentiation

n^y

n²	441028602463761
n³	9.2619009922173E+21
n⁴	1.9450622819114E+29
n⁵	4.0847632507553E+36

Nth Root

^y√n

²√n	4582.6499975451
³√n	275.89539987153
⁴√n	67.695273081251
⁵√n	29.137123557144

Divisors of 21000681

1, 67, 423, 741, 28341, 49647, 313443, 21000681

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	-21000680	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 21000681 can be divided by 8 positive divisors. The sum of these divisors (counting 21000681) is 1, the average is 0.125.

Base conversion 21000681

Base	System	Value
2	Binary	1010000000111000111101001
3	Ternary	1110111221112000
4	Quaternary	1100013013221
5	Quinary	20334010211
6	Senary	2030041213
8	Octal	120070751
10	Decimal	21000681
12	Duodecimal	7049209
16	Hexadecimal	14071e9
20	Vigesimal	6b51e1
36	Base36	ci489

Cryptographic Hash Functions

md5	50e75bbf200fbef5a11a26d6bdbde262
sha1	39abef364a2d11cf427aa91ae8dba4292efb6b35
sha256	fce8728240604cdc95307414affb9e1201da6b5454d321edeb4c42b0fdfae7d8
sha512	1787fffffcd12915fe783ef5631bd9bd95ac85d7a14696d9790217afb93f3e690c7d1bdf0d82a9af08be24ad3c21b042e10fd125db798a1d659e2b685a245e8e
ripemd-160	a63ac262ec4d440cd21442d4da0887fb608accd7

21000681 as geometric shapes

Circle

Radius = n

Diameter	42001362
Circumference	131951170.29997
Area	1.3855322175231E+15

Sphere

Radius = n

Volume	3.8796160153901E+22
Surface area	5.5421288700925E+15
Circumference	131951170.29997

Square

Length = n

Perimeter	84002724
Area	441028602463761
Diagonal	29699447.889271

Cube

Length = n

Surface area	2646171614782566
Volume	9.2619009922173E+21
Space diagonal	36374246.485546

Equilateral Triangle

Length = n

Perimeter	63002043
Area	1.9097098676458E+14
Altitude	18187123.242773

Triangular Pyramid

Length = n

Surface area	1.9097098676458E+14
Volume	1.0915254997125E+21
Height	9899815.9630903