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

20681689 (number)

20681689 is an odd 8-digits composite number following 20681688 and preceding 20681690. In scientific notation, it is written as 2.0681689 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 17646336 positive integers (up to 20681689) that are relatively prime to 20681689.

Interesting facts

20681689 has 8 divisors, whose sum is 23744000
The reverse of 20681689 is 98618602
Previous prime number is 223

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.0681689 × 10^7
Engineering notation	2.0681689 × 10^6

Prime Factorization of 20681689

Prime Factorization 7 × 223 × 13249

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20681689	Product of the distinct prime numbers

The prime factorization of 20681689 is 7 × 223 × 13249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 31, 22, 277, 681, 5409, 7851, 99461, 63486, 13382, 851648, 5306117, 9484089, 87258476, 1494857, 320165413, 990467842, 359432752, 4361254885

Basic calculations (n = 20681689)

Multiplication

n×y

n×2	41363378
n×3	62045067
n×4	82726756
n×5	103408445

Division

n÷y

n÷2	10340844.5
n÷3	6893896.3333333
n÷3	5170422.25
n÷5	4136337.8

Exponentiation

n^y

n²	427732259892721
n³	8.8462255743684E+21
n⁴	1.8295488615293E+29
n⁵	3.7838160564454E+36

Nth Root

^y√n

²√n	4547.7125019069
³√n	274.49135288613
⁴√n	67.436729620488
⁵√n	29.048064526273

Divisors of 20681689

1, 7, 223, 1561, 13249, 92743, 2954527, 20681689

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	-20681688	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 20681689 can be divided by 8 positive divisors. The sum of these divisors (counting 20681689) is 1, the average is 0.125.

Base conversion 20681689

Base	System	Value
2	Binary	1001110111001001111011001
3	Ternary	1102220201221111
4	Quaternary	1032321033121
5	Quinary	20243303224
6	Senary	2015140321
8	Octal	116711731
10	Decimal	20681689
12	Duodecimal	6b146a1
16	Hexadecimal	13b93d9
20	Vigesimal	695449
36	Base36	cba3d

Cryptographic Hash Functions

md5	ecd2d8e67ecd6d2670c38bfff8823099
sha1	43897fc8a06f02da24c2fb525ed899dd9fa65490
sha256	3000315704fbd4562211fcdbde1db7967d5973c73d9a8cf4278e67bbdffd2c0a
sha512	447324d9dc5d6b11670e37ea1e33c76a5059d394c6f72f83cfce64142af2caa892fa7fec3af96941923af55e3be5c8f42eead3f5626fb89f11ec867010d5e7b7
ripemd-160	09a3ea52dcf2cb4c5882bfe0c2e742fbb9a1a2f1

20681689 as geometric shapes

Circle

Radius = n

Diameter	41363378
Circumference	129946884.45246
Area	1.3437605253823E+15

Sphere

Radius = n

Volume	3.7054983035245E+22
Surface area	5.3750421015293E+15
Circumference	129946884.45246

Square

Length = n

Perimeter	82726756
Area	427732259892721
Diagonal	29248325.076582

Cube

Length = n

Surface area	2566393559356326
Volume	8.8462255743684E+21
Space diagonal	35821736.134338

Equilateral Triangle

Length = n

Perimeter	62045067
Area	1.8521350154261E+14
Altitude	17910868.067169

Triangular Pyramid

Length = n

Surface area	1.8521350154261E+14
Volume	1.0425376819236E+21
Height	9749441.6921942