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

20447989 (number)

20447989 is an odd 8-digits composite number following 20447988 and preceding 20447990. In scientific notation, it is written as 2.0447989 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 19558924 positive integers (up to 20447989) that are relatively prime to 20447989.

Interesting facts

20447989 has 4 divisors, whose sum is 21337056
The reverse of 20447989 is 98974402
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty million four hundred forty-seven thousand nine hundred eighty-nine

Notation

Scientific notation	2.0447989 × 10^7
Engineering notation	2.0447989 × 10^6

Prime Factorization of 20447989

Prime Factorization 23 × 889043

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20447989	Product of the distinct prime numbers

The prime factorization of 20447989 is 23 × 889043. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 89, 30, 729, 837, 325, 5275, 45382, 17515, 304853, 372430, 4591168, 9857469, 27490179, 85861373, 624526530, 80365634, 9627203196, 2855767054

Basic calculations (n = 20447989)

Multiplication

n×y

n×2	40895978
n×3	61343967
n×4	81791956
n×5	102239945

Division

n÷y

n÷2	10223994.5
n÷3	6815996.3333333
n÷3	5111997.25
n÷5	4089597.8

Exponentiation

n^y

n²	418120254144121
n³	8.5497183574162E+21
n⁴	1.7482454692554E+29
n⁵	3.5748104124635E+36

Nth Root

^y√n

²√n	4521.9452672495
³√n	273.45353015573
⁴√n	67.245410752329
⁵√n	28.98211801547

Divisors of 20447989

1, 23, 889043, 20447989

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	-20447988	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 20447989 can be divided by 4 positive divisors. The sum of these divisors (counting 20447989) is 1, the average is 0.25.

Base conversion 20447989

Base	System	Value
2	Binary	1001110000000001011110101
3	Ternary	1102110212100221
4	Quaternary	1032000023311
5	Quinary	20213313424
6	Senary	2010134341
8	Octal	116001365
10	Decimal	20447989
12	Duodecimal	6a213b1
16	Hexadecimal	13802f5
20	Vigesimal	67fjj9
36	Base36	c69rp

Cryptographic Hash Functions

md5	a1a9ef92490f3c9e3b384002c3588fd2
sha1	dd6cc48236ca87a7fe07656896425ce86619edab
sha256	68ad2607e661567c89b33a29dc061dd0885ed0cb12f6a5b10f871530f60da337
sha512	12ddf07a6e236acc0f23a30fd35ca1f9ff77d10824f14dd70819db39c74ae7bf8d9893add7ab10e323b96bc7ea6f214b37e53c9ad98c86cba32d882dbeb7b03c
ripemd-160	40d33d35cd0a25c14b467b86249f22dfb2c1f4eb

20447989 as geometric shapes

Circle

Radius = n

Diameter	40895978
Circumference	128478504.04617
Area	1.3135635187363E+15

Sphere

Radius = n

Volume	3.5812976509227E+22
Surface area	5.2542540749451E+15
Circumference	128478504.04617

Square

Length = n

Perimeter	81791956
Area	418120254144121
Diagonal	28917823.367056

Cube

Length = n

Surface area	2508721524864726
Volume	8.5497183574162E+21
Space diagonal	35416955.86061

Equilateral Triangle

Length = n

Perimeter	61343967
Area	1.8105138096281E+14
Altitude	17708477.930305

Triangular Pyramid

Length = n

Surface area	1.8105138096281E+14
Volume	1.007593971294E+21
Height	9639274.4556853