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

21031689 (number)

21031689 is an odd 8-digits composite number following 21031688 and preceding 21031690. In scientific notation, it is written as 2.1031689 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11385360 positive integers (up to 21031689) that are relatively prime to 21031689.

Interesting facts

21031689 has 8 divisors, whose sum is 23193280
The reverse of 21031689 is 98613012
Previous prime number is 19

Basic properties

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

Name

Name	twenty-one million thirty-one thousand six hundred eighty-nine

Notation

Scientific notation	2.1031689 × 10^7
Engineering notation	2.1031689 × 10^6

Prime Factorization of 21031689

Prime Factorization 21 × 19 × 52711

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031689	Product of the distinct prime numbers

The prime factorization of 21031689 is 21 × 19 × 52711. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 18, 69, 345, 26, 6266, 4681, 7542, 81451, 305410, 12973, 7665408, 5299842, 17076562, 12875092, 806232159, 962484658, 6054946874, 472622439

Basic calculations (n = 21031689)

Multiplication

n×y

n×2	42063378
n×3	63095067
n×4	84126756
n×5	105158445

Division

n÷y

n÷2	10515844.5
n÷3	7010563
n÷3	5257922.25
n÷5	4206337.8

Exponentiation

n^y

n²	442331942192721
n³	9.3029878429633E+21
n⁴	1.9565754708398E+29
n⁵	4.1150086807732E+36

Nth Root

^y√n

²√n	4586.0319449389
³√n	276.03112177938
⁴√n	67.720247673343
⁵√n	29.145722809648

Divisors of 21031689

1, 19, 21, 399, 52711, 1001509, 1106931, 21031689

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	-21031688	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 21031689 can be divided by 8 positive divisors. The sum of these divisors (counting 21031689) is 1, the average is 0.125.

Base conversion 21031689

Base	System	Value
2	Binary	1010000001110101100001001
3	Ternary	1110120112001110
4	Quaternary	1100032230021
5	Quinary	20341003224
6	Senary	2030440533
8	Octal	120165411
10	Decimal	21031689
12	Duodecimal	7063149
16	Hexadecimal	140eb09
20	Vigesimal	6b8j49
36	Base36	cis5l

Cryptographic Hash Functions

md5	c5cf8631b866dbd650557fcae3152b19
sha1	11c8904b0be645d62a7e582b235947128d1061d6
sha256	ac8c4134684c255c94a2e4ba62321c5c17705d850b093795ef28966ac20202db
sha512	da3c867fc3fda1edec4aef6b48e50ef727933bca66576c13d5710f7e3e3f221ac706ccf6015e8bb31816eff8855217cb2d67180c81cb2713759cce4cfeff75d8
ripemd-160	4b9a9c5549f9fe93659db5e2874d488442f56a9b

21031689 as geometric shapes

Circle

Radius = n

Diameter	42063378
Circumference	132145999.30997
Area	1.3896267800408E+15

Sphere

Radius = n

Volume	3.8968264351851E+22
Surface area	5.558507120163E+15
Circumference	132145999.30997

Square

Length = n

Perimeter	84126756
Area	442331942192721
Diagonal	29743299.823413

Cube

Length = n

Surface area	2653991653156326
Volume	9.3029878429633E+21
Space diagonal	36427953.916987

Equilateral Triangle

Length = n

Perimeter	63095067
Area	1.915353494221E+14
Altitude	18213976.958494

Triangular Pyramid

Length = n

Surface area	1.915353494221E+14
Volume	1.0963676315092E+21
Height	9914433.274471