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

21031261 (number)

21031261 is an odd 8-digits composite number following 21031260 and preceding 21031262. In scientific notation, it is written as 2.1031261 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 19600320 positive integers (up to 21031261) that are relatively prime to 21031261.

Interesting facts

21031261 has 8 divisors, whose sum is 22486464
The reverse of 21031261 is 16213012
Previous prime number is 103

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million thirty-one thousand two hundred sixty-one

Notation

Scientific notation	2.1031261 × 10^7
Engineering notation	2.1031261 × 10^6

Prime Factorization of 21031261

Prime Factorization 17 × 103 × 12011

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031261	Product of the distinct prime numbers

The prime factorization of 21031261 is 17 × 103 × 12011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 45, 10, 98, 193, 6621, 2310, 29445, 58421, 513561, 686993, 4373422, 4247956, 63470871, 99986207, 64062625, 86386099, 4176095862, 8076145308

Basic calculations (n = 21031261)

Multiplication

n×y

n×2	42062522
n×3	63093783
n×4	84125044
n×5	105156305

Division

n÷y

n÷2	10515630.5
n÷3	7010420.3333333
n÷3	5257815.25
n÷5	4206252.2

Exponentiation

n^y

n²	442313939250121
n³	9.3024199003074E+21
n⁴	1.9564162085496E+29
n⁵	4.1145899906637E+36

Nth Root

^y√n

²√n	4585.9852812673
³√n	276.02924933313
⁴√n	67.719903139825
⁵√n	29.145604184169

Divisors of 21031261

1, 17, 103, 1751, 12011, 204187, 1237133, 21031261

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	-21031260	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 21031261 can be divided by 8 positive divisors. The sum of these divisors (counting 21031261) is 1, the average is 0.125.

Base conversion 21031261

Base	System	Value
2	Binary	1010000001110100101011101
3	Ternary	1110120111110121
4	Quaternary	1100032211131
5	Quinary	20341000021
6	Senary	2030434541
8	Octal	120164535
10	Decimal	21031261
12	Duodecimal	7062a51
16	Hexadecimal	140e95d
20	Vigesimal	6b8i31
36	Base36	cirtp

Cryptographic Hash Functions

md5	4e3396e156ed5aae2eda65ba02c177d4
sha1	56abb8525a373f8101cd009496ad41a2510bb8dc
sha256	404da8a2fa15b31998310fe88a44bdd7001accc0b211ab66a02d515568384476
sha512	318914309f85aea69fca2b0d99e740fe85254f8860cecdbd6644d65a0263e42ef3626e2f836fad7f7e7d7fa842032723ba051cf57358bd48533bfea4008db189
ripemd-160	86e47a7b0f1d2c9857432348452a89185dbb9a79

21031261 as geometric shapes

Circle

Radius = n

Diameter	42062522
Circumference	132143310.10666
Area	1.3895702221285E+15

Sphere

Radius = n

Volume	3.8965885359218E+22
Surface area	5.5582808885142E+15
Circumference	132143310.10666

Square

Length = n

Perimeter	84125044
Area	442313939250121
Diagonal	29742694.540008

Cube

Length = n

Surface area	2653883635500726
Volume	9.3024199003074E+21
Space diagonal	36427212.599242

Equilateral Triangle

Length = n

Perimeter	63093783
Area	1.9152755391929E+14
Altitude	18213606.299621

Triangular Pyramid

Length = n

Surface area	1.9152755391929E+14
Volume	1.0963006988253E+21
Height	9914231.5133361