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

20681490 (number)

20681490 is an even 8-digits composite number following 20681489 and preceding 20681491. In scientific notation, it is written as 2.0681490 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 5515056 positive integers (up to 20681490) that are relatively prime to 20681490.

Interesting facts

20681490 has 8 divisors, whose sum is 33090432
The reverse of 20681490 is 09418602
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 eighty-one thousand four hundred ninety

Notation

Scientific notation	2.0681490 × 10^7
Engineering notation	2.0681490 × 10^6

Prime Factorization of 20681490

Prime Factorization 2 × 15 × 689383

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20681490	Product of the distinct prime numbers

The prime factorization of 20681490 is 2 × 15 × 689383. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 59, 68, 820, 740, 7076, 7671, 58524, 89606, 835448, 296977, 3883751, 9038576, 60586142, 42521559, 488937514, 533721360, 8664530213, 1429075549

Basic calculations (n = 20681490)

Multiplication

n×y

n×2	41362980
n×3	62044470
n×4	82725960
n×5	103407450

Division

n÷y

n÷2	10340745
n÷3	6893830
n÷3	5170372.5
n÷5	4136298

Exponentiation

n^y

n²	427724028620100
n³	8.8459702206663E+21
n⁴	1.8294784465901E+29
n⁵	3.7836340198368E+36

Nth Root

^y√n

²√n	4547.6906227227
³√n	274.49047249456
⁴√n	67.436567400207
⁵√n	29.048008625741

Divisors of 20681490

1, 2, 15, 30, 689383, 1378766, 10340745, 20681490

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	-20681489	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 20681490 can be divided by 8 positive divisors. The sum of these divisors (counting 20681490) is 1, the average is 0.125.

Base conversion 20681490

Base	System	Value
2	Binary	1001110111001001100010010
3	Ternary	1102220201200010
4	Quaternary	1032321030102
5	Quinary	20243301430
6	Senary	2015135350
8	Octal	116711422
10	Decimal	20681490
12	Duodecimal	6b14556
16	Hexadecimal	13b9312
20	Vigesimal	6953ea
36	Base36	cb9xu

Cryptographic Hash Functions

md5	6e5c84b92b6bb9dcecb224edf0aefd10
sha1	26d4c7fa593d1e2cb456a92fb644c3df0ac34df4
sha256	e157c68b5e1593aacd5889e4a97a4db84d40b2703a8d8160464beafc92ffa79f
sha512	92973751fd2dcd2bb4a2d4e663beb272c132b7240a0f401f0e2c43886b13ab2a0305a85f9f343a0a80e1ac8cdd43ac6112527c50bea930d2eb64d900f70f82ba
ripemd-160	8a526c4b780b4cb67f85a374dbc2ac2f9efc865c

20681490 as geometric shapes

Circle

Radius = n

Diameter	41362980
Circumference	129945634.09858
Area	1.3437346660767E+15

Sphere

Radius = n

Volume	3.7053913412159E+22
Surface area	5.3749386643069E+15
Circumference	129945634.09858

Square

Length = n

Perimeter	82725960
Area	427724028620100
Diagonal	29248043.648084

Cube

Length = n

Surface area	2566344171720600
Volume	8.8459702206663E+21
Space diagonal	35821391.456228

Equilateral Triangle

Length = n

Perimeter	62044470
Area	1.8520993729701E+14
Altitude	17910695.728114

Triangular Pyramid

Length = n

Surface area	1.8520993729701E+14
Volume	1.0425075882012E+21
Height	9749347.8826945