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

21006957 (number)

21006957 is an odd 8-digits composite number following 21006956 and preceding 21006958. In scientific notation, it is written as 2.1006957 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14004636 positive integers (up to 21006957) that are relatively prime to 21006957.

Interesting facts

21006957 has 4 divisors, whose sum is 28009280
The reverse of 21006957 is 75960012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million six thousand nine hundred fifty-seven

Notation

Scientific notation	2.1006957 × 10^7
Engineering notation	2.1006957 × 10^6

Prime Factorization of 21006957

Prime Factorization 3 × 7002319

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21006957	Product of the distinct prime numbers

The prime factorization of 21006957 is 3 × 7002319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 76, 4, 872, 955, 1544, 9435, 43355, 56688, 311510, 653214, 3216689, 463410, 74616848, 21022844, 27668640, 300771005, 8422537758, 5648524910

Basic calculations (n = 21006957)

Multiplication

n×y

n×2	42013914
n×3	63020871
n×4	84027828
n×5	105034785

Division

n÷y

n÷2	10503478.5
n÷3	7002319
n÷3	5251739.25
n÷5	4201391.4

Exponentiation

n^y

n²	441292242399849
n³	9.2702071605272E+21
n⁴	1.9473884320229E+29
n⁵	4.0908705053802E+36

Nth Root

^y√n

²√n	4583.3347030301
³√n	275.92288067992
⁴√n	67.700330154513
⁵√n	29.138864860027

Divisors of 21006957

1, 3, 7002319, 21006957

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21006956	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006957 can be divided by 4 positive divisors. The sum of these divisors (counting 21006957) is 1, the average is 0.25.

Base conversion 21006957

Base	System	Value
2	Binary	1010000001000101001101101
3	Ternary	1110112021010110
4	Quaternary	1100020221231
5	Quinary	20334210312
6	Senary	2030130233
8	Octal	120105155
10	Decimal	21006957
12	Duodecimal	7050979
16	Hexadecimal	1408a6d
20	Vigesimal	6b5h7h
36	Base36	ci92l

Cryptographic Hash Functions

md5	d6b533293bc0e835fed7cd9e8d478c05
sha1	25a889869ed4299aaa347ff0cf1a8359037255da
sha256	9bbc7f11f71a024e50f31a2cff6844fdc0be9841a48b4b6050df581c6ad598d3
sha512	a6e3ea7abe3510348b7ed23951583ea639e52bf87de94fa2f29870087449b37e408af798b64766c5531c15d0623768f61c5ccd7ad798e475596be16a6046e4e0
ripemd-160	d5887786f0ef1305c578d602e50a1a76eb123742

21006957 as geometric shapes

Circle

Radius = n

Diameter	42013914
Circumference	131990603.57095
Area	1.3863604668095E+15

Sphere

Radius = n

Volume	3.8830952950357E+22
Surface area	5.5454418672381E+15
Circumference	131990603.57095

Square

Length = n

Perimeter	84027828
Area	441292242399849
Diagonal	29708323.493588

Cube

Length = n

Surface area	2647753454399094
Volume	9.2702071605272E+21
Space diagonal	36385116.836415

Equilateral Triangle

Length = n

Perimeter	63020871
Area	1.9108514620563E+14
Altitude	18192558.418207

Triangular Pyramid

Length = n

Surface area	1.9108514620563E+14
Volume	1.0925043910355E+21
Height	9902774.4978628