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

20691390 (number)

20691390 is an even 8-digits composite number following 20691389 and preceding 20691391. In scientific notation, it is written as 2.0691390 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 5517696 positive integers (up to 20691390) that are relatively prime to 20691390.

Interesting facts

20691390 has 8 divisors, whose sum is 33106272
The reverse of 20691390 is 09319602
Previous prime number is 15

Basic properties

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

Name

Name	twenty million six hundred ninety-one thousand three hundred ninety

Notation

Scientific notation	2.0691390 × 10^7
Engineering notation	2.0691390 × 10^6

Prime Factorization of 20691390

Prime Factorization 2 × 15 × 689713

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20691390	Product of the distinct prime numbers

The prime factorization of 20691390 is 2 × 15 × 689713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 4, 78, 488, 118, 1604, 9430, 38093, 86565, 951286, 152238, 72754, 1674989, 73646741, 21807409, 971012190, 445521201, 842217811, 3967467183

Basic calculations (n = 20691390)

Multiplication

n×y

n×2	41382780
n×3	62074170
n×4	82765560
n×5	103456950

Division

n÷y

n÷2	10345695
n÷3	6897130
n÷3	5172847.5
n÷5	4138278

Exponentiation

n^y

n²	428133620132100
n³	8.8586797062651E+21
n⁴	1.8329839668742E+29
n⁵	3.7926986122341E+36

Nth Root

^y√n

²√n	4548.7789570389
³√n	274.53426402324
⁴√n	67.444636236241
⁵√n	29.050789085346

Divisors of 20691390

1, 2, 15, 30, 689713, 1379426, 10345695, 20691390

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	-20691389	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 20691390 can be divided by 8 positive divisors. The sum of these divisors (counting 20691390) is 1, the average is 0.125.

Base conversion 20691390

Base	System	Value
2	Binary	1001110111011100110111110
3	Ternary	1102221020020210
4	Quaternary	1032323212332
5	Quinary	20244111030
6	Senary	2015253250
8	Octal	116734676
10	Decimal	20691390
12	Duodecimal	6b1a226
16	Hexadecimal	13bb9be
20	Vigesimal	69689a
36	Base36	cbhku

Cryptographic Hash Functions

md5	40607996d6de9e45d8e3e9e99790b837
sha1	440d507581e9308d23955af504f686332e4cdd57
sha256	a3dc4db32b37995ba0f38b71483dc6105b384c951891bf037667702d6f863aa6
sha512	f2e2ccf512b9afb0791520988820aa67256f659ff745cb9c48d37fcafcb1ebb4bdb60ca3f0197fc91490cfb2851047d7a8248a7ca61af4a84c21223a67888b8c
ripemd-160	7fc04672c5f63d33ee6b053981b9d4059a4c2cb0

20691390 as geometric shapes

Circle

Radius = n

Diameter	41382780
Circumference	130007837.63312
Area	1.3450214357618E+15

Sphere

Radius = n

Volume	3.7107150780943E+22
Surface area	5.3800857430472E+15
Circumference	130007837.63312

Square

Length = n

Perimeter	82765560
Area	428133620132100
Diagonal	29262044.362351

Cube

Length = n

Surface area	2568801720792600
Volume	8.8586797062651E+21
Space diagonal	35838538.759223

Equilateral Triangle

Length = n

Perimeter	62074170
Area	1.853872956243E+14
Altitude	17919269.379611

Triangular Pyramid

Length = n

Surface area	1.853872956243E+14
Volume	1.0440054154433E+21
Height	9754014.7874503