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

21031311 (number)

21031311 is an odd 8-digits composite number following 21031310 and preceding 21031312. In scientific notation, it is written as 2.1031311 × 10^7. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 12017880 positive integers (up to 21031311) that are relatively prime to 21031311.

Interesting facts

21031311 has 8 divisors, whose sum is 32047744
The reverse of 21031311 is 11313012
Previous prime number is 7

Basic properties

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

Name

Name	twenty-one million thirty-one thousand three hundred eleven

Notation

Scientific notation	2.1031311 × 10^7
Engineering notation	2.1031311 × 10^6

Prime Factorization of 21031311

Prime Factorization 3 × 7 × 1001491

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031311	Product of the distinct prime numbers

The prime factorization of 21031311 is 3 × 7 × 1001491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 3, 100, 12, 921, 671, 2331, 2568, 80839, 62321, 996381, 320687, 310536, 1383051, 92437249, 70001661, 158176998, 638026391, 5908521034, 2321635247

Basic calculations (n = 21031311)

Multiplication

n×y

n×2	42062622
n×3	63093933
n×4	84125244
n×5	105156555

Division

n÷y

n÷2	10515655.5
n÷3	7010437
n÷3	5257827.75
n÷5	4206262.2

Exponentiation

n^y

n²	442316042378721
n³	9.3024862475561E+21
n⁴	1.9564348134557E+29
n⁵	4.1146389013015E+36

Nth Root

^y√n

²√n	4585.9907326553
³√n	276.02946807816
⁴√n	67.719943389339
⁵√n	29.145618042385

Divisors of 21031311

1, 3, 7, 21, 1001491, 3004473, 7010437, 21031311

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	-21031310	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 21031311 can be divided by 8 positive divisors. The sum of these divisors (counting 21031311) is 1, the average is 0.125.

Base conversion 21031311

Base	System	Value
2	Binary	1010000001110100110001111
3	Ternary	1110120111112110
4	Quaternary	1100032212033
5	Quinary	20341000221
6	Senary	2030435103
8	Octal	120164617
10	Decimal	21031311
12	Duodecimal	7062a93
16	Hexadecimal	140e98f
20	Vigesimal	6b8i5b
36	Base36	cirv3

Cryptographic Hash Functions

md5	44f7e50fd6200565a198ea467629729a
sha1	ac6d75e0df9e41815740988395a904fbb61592ce
sha256	994400c75aa1e4213920e96538fcbf8d1519561a9dfdecd7a4a3e60b0976465d
sha512	b94907484100dc7fd6a7c13e39733151989d210e1fcb21c5b0184afd6ac1b75f70d5d57597b18026461ed6c963aaeed317c62852d7bc96feaed57cdaf56af13d
ripemd-160	8cb8a7fcfe265cd745b3b18d9c84a97f11a0ed12

21031311 as geometric shapes

Circle

Radius = n

Diameter	42062622
Circumference	132143624.26592
Area	1.3895768293019E+15

Sphere

Radius = n

Volume	3.8966163273923E+22
Surface area	5.5583073172076E+15
Circumference	132143624.26592

Square

Length = n

Perimeter	84125244
Area	442316042378721
Diagonal	29742765.250686

Cube

Length = n

Surface area	2653896254272326
Volume	9.3024862475561E+21
Space diagonal	36427299.201782

Equilateral Triangle

Length = n

Perimeter	63093933
Area	1.9152846460068E+14
Altitude	18213649.600891

Triangular Pyramid

Length = n

Surface area	1.9152846460068E+14
Volume	1.0963085179236E+21
Height	9914255.0835622