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

21000261 (number)

21000261 is an odd 8-digits composite number following 21000260 and preceding 21000262. In scientific notation, it is written as 2.1000261 × 10^7. The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors. There are 14000172 positive integers (up to 21000261) that are relatively prime to 21000261.

Interesting facts

21000261 has 4 divisors, whose sum is 28000352
The reverse of 21000261 is 16200012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3

Name

Name	twenty-one million two hundred sixty-one

Notation

Scientific notation	2.1000261 × 10^7
Engineering notation	2.1000261 × 10^6

Prime Factorization of 21000261

Prime Factorization 3 × 7000087

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000261	Product of the distinct prime numbers

The prime factorization of 21000261 is 3 × 7000087. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 3, 19, 772, 638, 2171, 2965, 25038, 58438, 971526, 778896, 790209, 6357714, 26058596, 75747280, 731043597, 15779568, 9250604995, 4291065149

Basic calculations (n = 21000261)

Multiplication

n×y

n×2	42000522
n×3	63000783
n×4	84001044
n×5	105001305

Division

n÷y

n÷2	10500130.5
n÷3	7000087
n÷3	5250065.25
n÷5	4200052.2

Exponentiation

n^y

n²	441010962068121
n³	9.2613453072916E+21
n⁴	1.9449066866425E+29
n⁵	4.0843548040138E+36

Nth Root

^y√n

²√n	4582.604172302
³√n	275.89356061625
⁴√n	67.694934613323
⁵√n	29.137007011496

Divisors of 21000261

1, 3, 7000087, 21000261

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	-21000260	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 21000261 can be divided by 4 positive divisors. The sum of these divisors (counting 21000261) is 1, the average is 0.25.

Base conversion 21000261

Base	System	Value
2	Binary	1010000000111000001000101
3	Ternary	1110111220221110
4	Quaternary	1100013001011
5	Quinary	20334002021
6	Senary	2030035233
8	Octal	120070105
10	Decimal	21000261
12	Duodecimal	7048b19
16	Hexadecimal	1407045
20	Vigesimal	6b50d1
36	Base36	ci3wl

Cryptographic Hash Functions

md5	9ea7ddf81b8e0c53c46aa17de4c331d6
sha1	a7f0c53a0dda95d585340a5f6dc30cddab0cdb12
sha256	f557b0d5521fb34c24681c02d32d5043a0fc05dd12652201e0d912ae36c3a357
sha512	db734603e057575d72f7e956ede1642c5d260898c6f4d9cc284c36da1da966e8b25c3e7c7d080ccb26391fd9e0736e587f3c930eac708fbaffa12ee5401f853c
ripemd-160	4095658aed56a176a8a3b7972fdeba346c02c073

21000261 as geometric shapes

Circle

Radius = n

Diameter	42000522
Circumference	131948531.36214
Area	1.3854767985858E+15

Sphere

Radius = n

Volume	3.8793832506328E+22
Surface area	5.5419071943431E+15
Circumference	131948531.36214

Square

Length = n

Perimeter	84001044
Area	441010962068121
Diagonal	29698853.919575

Cube

Length = n

Surface area	2646065772408726
Volume	9.2613453072916E+21
Space diagonal	36373519.024207

Equilateral Triangle

Length = n

Perimeter	63000783
Area	1.909633482492E+14
Altitude	18186759.512104

Triangular Pyramid

Length = n

Surface area	1.909633482492E+14
Volume	1.091460011616E+21
Height	9899617.9731916