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

20989845 (number)

20989845 is an odd 8-digits composite number following 20989844 and preceding 20989846. In scientific notation, it is written as 2.0989845 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 11194560 positive integers (up to 20989845) that are relatively prime to 20989845.

Interesting facts

20989845 has 8 divisors, whose sum is 27986520
The reverse of 20989845 is 54898902
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	twenty million nine hundred eighty-nine thousand eight hundred forty-five

Notation

Scientific notation	2.0989845 × 10^7
Engineering notation	2.0989845 × 10^6

Prime Factorization of 20989845

Prime Factorization 9 × 5 × 466441

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20989845	Product of the distinct prime numbers

The prime factorization of 20989845 is 9 × 5 × 466441. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 89, 36, 518, 422, 1395, 1218, 3421, 73320, 393673, 353309, 1895420, 2084722, 68127254, 50973188, 1575884, 531630679, 2251336655, 1036108230

Basic calculations (n = 20989845)

Multiplication

n×y

n×2	41979690
n×3	62969535
n×4	83959380
n×5	104949225

Division

n÷y

n÷2	10494922.5
n÷3	6996615
n÷3	5247461.25
n÷5	4197969

Exponentiation

n^y

n²	440573593124025
n³	9.2475714307664E+21
n⁴	1.9410509095821E+29
n⁵	4.0742357729238E+36

Nth Root

^y√n

²√n	4581.4675596363
³√n	275.84793923767
⁴√n	67.686538984028
⁵√n	29.134116082714

Divisors of 20989845

1, 5, 9, 45, 466441, 2332205, 4197969, 20989845

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	-20989844	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 20989845 can be divided by 8 positive divisors. The sum of these divisors (counting 20989845) is 1, the average is 0.125.

Base conversion 20989845

Base	System	Value
2	Binary	1010000000100011110010101
3	Ternary	1110111101122200
4	Quaternary	1100010132111
5	Quinary	20333133340
6	Senary	2025515113
8	Octal	120043625
10	Decimal	20989845
12	Duodecimal	7042a99
16	Hexadecimal	1404795
20	Vigesimal	6b3ec5
36	Base36	chvv9

Cryptographic Hash Functions

md5	347b4834a113c1a3f03cf752ce62208c
sha1	4d99e53d6de8b02a1cc88e9320170a468bce3e23
sha256	5a433f64864c01e0eeab8aeac99224293eaddf040911bb644604a92a788b3234
sha512	f9072cf6809340433f514e4b878a49b4d24de84ee9a7aedd9600981dd898800a07691365730eed73caf4ab96ec900a2bed32bdab2d3ce4d812a1cf5a10f149de
ripemd-160	c43d8b8b8b6b1aab5690af58c55ef83ce76df56c

20989845 as geometric shapes

Circle

Radius = n

Diameter	41979690
Circumference	131883085.70398
Area	1.3841027635241E+15

Sphere

Radius = n

Volume	3.8736136627257E+22
Surface area	5.5364110540964E+15
Circumference	131883085.70398

Square

Length = n

Perimeter	83959380
Area	440573593124025
Diagonal	29684123.471109

Cube

Length = n

Surface area	2643441558744150
Volume	9.2475714307664E+21
Space diagonal	36355477.982996

Equilateral Triangle

Length = n

Perimeter	62969535
Area	1.90773961941E+14
Altitude	18177738.991498

Triangular Pyramid

Length = n

Surface area	1.90773961941E+14
Volume	1.0898367447003E+21
Height	9894707.823703