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

20697681 (number)

20697681 is an odd 8-digits composite number following 20697680 and preceding 20697682. In scientific notation, it is written as 2.0697681 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13798452 positive integers (up to 20697681) that are relatively prime to 20697681.

Interesting facts

20697681 has 4 divisors, whose sum is 27596912
The reverse of 20697681 is 18679602
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	2.0697681 × 10^7
Engineering notation	2.0697681 × 10^6

Prime Factorization of 20697681

Prime Factorization 3 × 6899227

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20697681	Product of the distinct prime numbers

The prime factorization of 20697681 is 3 × 6899227. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 95, 67, 772, 535, 7665, 7807, 96092, 64209, 791976, 336684, 4625356, 2002417, 44604406, 28964650, 619650368, 140904965, 9118154972, 3857981472

Basic calculations (n = 20697681)

Multiplication

n×y

n×2	41395362
n×3	62093043
n×4	82790724
n×5	103488405

Division

n÷y

n÷2	10348840.5
n÷3	6899227
n÷3	5174420.25
n÷5	4139536.2

Exponentiation

n^y

n²	428393998777761
n³	8.8667623290165E+21
n⁴	1.835214181888E+29
n⁵	3.7984677703394E+36

Nth Root

^y√n

²√n	4549.4704087399
³√n	274.56208429131
⁴√n	67.449762110328
⁵√n	29.052555388063

Divisors of 20697681

1, 3, 6899227, 20697681

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20697680	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20697681 can be divided by 4 positive divisors. The sum of these divisors (counting 20697681) is 1, the average is 0.25.

Base conversion 20697681

Base	System	Value
2	Binary	1001110111101001001010001
3	Ternary	1102221112212210
4	Quaternary	1032331021101
5	Quinary	20244311211
6	Senary	2015342333
8	Octal	116751121
10	Decimal	20697681
12	Duodecimal	6b219a9
16	Hexadecimal	13bd251
20	Vigesimal	697441
36	Base36	cbmfl

Cryptographic Hash Functions

md5	c1367726429331542929947c0e6b6dcd
sha1	ea8367574c46c8c1a4854306ee32bf7670682a81
sha256	c5a64d42299cb3062c3c51be62f2445318b30a6370bfb51503b24ea1601562ec
sha512	72e78202f6760a8edfaf491a70d387018d046b2ea3370684b84120a5b5f8f42cda68f4702f48293bfbd1e1728538dd7c5228cfcf29b824837b936b4137950604
ripemd-160	c0a87209803f946d8d558d651fc0aa4d7f2053b5

20697681 as geometric shapes

Circle

Radius = n

Diameter	41395362
Circumference	130047365.15189
Area	1.3458394394022E+15

Sphere

Radius = n

Volume	3.7141007191953E+22
Surface area	5.3833577576087E+15
Circumference	130047365.15189

Square

Length = n

Perimeter	82790724
Area	428393998777761
Diagonal	29270941.179872

Cube

Length = n

Surface area	2570363992666566
Volume	8.8667623290165E+21
Space diagonal	35849435.090853

Equilateral Triangle

Length = n

Perimeter	62093043
Area	1.8550004288517E+14
Altitude	17924717.545427

Triangular Pyramid

Length = n

Surface area	1.8550004288517E+14
Volume	1.0449579616695E+21
Height	9756980.3932906