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

20697891 (number)

20697891 is an odd 8-digits composite number following 20697890 and preceding 20697892. In scientific notation, it is written as 2.0697891 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 12986368 positive integers (up to 20697891) that are relatively prime to 20697891.

Interesting facts

20697891 has 12 divisors, whose sum is 29317272
The reverse of 20697891 is 19879602
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twenty million six hundred ninety-seven thousand eight hundred ninety-one

Notation

Scientific notation	2.0697891 × 10^7
Engineering notation	2.0697891 × 10^6

Prime Factorization of 20697891

Prime Factorization 3 × 17 × 17 × 23873

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	1217523	Product of the distinct prime numbers

The prime factorization of 20697891 is 3 × 17 × 17 × 23873. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 77, 72, 340, 521, 9674, 8458, 84213, 54342, 719199, 381770, 4298318, 2423203, 98905032, 96132162, 377445115, 234376820, 900222683, 2349291373

Basic calculations (n = 20697891)

Multiplication

n×y

n×2	41395782
n×3	62093673
n×4	82791564
n×5	103489455

Division

n÷y

n÷2	10348945.5
n÷3	6899297
n÷3	5174472.75
n÷5	4139578.2

Exponentiation

n^y

n²	428402691847881
n³	8.867032219974E+21
n⁴	1.8352886638251E+29
n⁵	3.7986604717388E+36

Nth Root

^y√n

²√n	4549.4934882908
³√n	274.56301286301
⁴√n	67.449933197082
⁵√n	29.052614341642

Divisors of 20697891

1, 3, 17, 51, 289, 867, 23873, 71619, 405841, 1217523, 6899297, 20697891

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20697890	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20697891 can be divided by 12 positive divisors. The sum of these divisors (counting 20697891) is 1, the average is 0.083333333333333.

Base conversion 20697891

Base	System	Value
2	Binary	1001110111101001100100011
3	Ternary	1102221120011120
4	Quaternary	1032331030203
5	Quinary	20244313031
6	Senary	2015343323
8	Octal	116751443
10	Decimal	20697891
12	Duodecimal	6b21b43
16	Hexadecimal	13bd323
20	Vigesimal	6974eb
36	Base36	cbmlf

Cryptographic Hash Functions

md5	d54ebc3bc62835c08e66c94d00d7ac28
sha1	940f2577cfae6ca72bc0a18274f3d2ae3bf0fcba
sha256	7edbd0f0866fd46e284932e4e0d13378a7787b04c0931e9bf18765ed04e7dbd0
sha512	beb50c26c50cf257e039c7c5d2c441e6852572452b48005aee1ce821eeca06527b04d24f9ad70bde0d757ff1ab1d7c3031c952ff18889bcc4cfbee89ac95446e
ripemd-160	638ec1694108d0accf77fc17677306f2fdcf4c64

20697891 as geometric shapes

Circle

Radius = n

Diameter	41395782
Circumference	130048684.6208
Area	1.3458667494874E+15

Sphere

Radius = n

Volume	3.7142137708553E+22
Surface area	5.3834669979496E+15
Circumference	130048684.6208

Square

Length = n

Perimeter	82791564
Area	428402691847881
Diagonal	29271238.16472

Cube

Length = n

Surface area	2570416151087286
Volume	8.867032219974E+21
Space diagonal	35849798.821523

Equilateral Triangle

Length = n

Perimeter	62093673
Area	1.8550380709495E+14
Altitude	17924899.410761

Triangular Pyramid

Length = n

Surface area	1.8550380709495E+14
Volume	1.0449897686239E+21
Height	9757079.38824