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

20985655 (number)

20985655 is an odd 8-digits composite number following 20985654 and preceding 20985656. In scientific notation, it is written as 2.0985655 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 16755648 positive integers (up to 20985655) that are relatively prime to 20985655.

Interesting facts

20985655 has 8 divisors, whose sum is 25232112
The reverse of 20985655 is 55658902
Previous prime number is 547

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty million nine hundred eighty-five thousand six hundred fifty-five

Notation

Scientific notation	2.0985655 × 10^7
Engineering notation	2.0985655 × 10^6

Prime Factorization of 20985655

Prime Factorization 5 × 547 × 7673

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20985655	Product of the distinct prime numbers

The prime factorization of 20985655 is 5 × 547 × 7673. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 59, 49, 498, 208, 4171, 633, 56322, 83930, 459483, 46232, 7422544, 4293862, 33254107, 55265262, 675579788, 188617866, 8330839908, 3517698883

Basic calculations (n = 20985655)

Multiplication

n×y

n×2	41971310
n×3	62956965
n×4	83942620
n×5	104928275

Division

n÷y

n÷2	10492827.5
n÷3	6995218.3333333
n÷3	5246413.75
n÷5	4197131

Exponentiation

n^y

n²	440397715779025
n³	9.2420345261267E+21
n⁴	1.9395014806338E+29
n⁵	4.0701708944571E+36

Nth Root

^y√n

²√n	4581.0102597571
³√n	275.82958306303
⁴√n	67.683160828652
⁵√n	29.132952837394

Divisors of 20985655

1, 5, 547, 2735, 7673, 38365, 4197131, 20985655

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	-20985654	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 20985655 can be divided by 8 positive divisors. The sum of these divisors (counting 20985655) is 1, the average is 0.125.

Base conversion 20985655

Base	System	Value
2	Binary	1010000000011011100110111
3	Ternary	1110111011220111
4	Quaternary	1100003130313
5	Quinary	20333020110
6	Senary	2025443451
8	Octal	120033467
10	Decimal	20985655
12	Duodecimal	7040587
16	Hexadecimal	1403737
20	Vigesimal	6b342f
36	Base36	chsmv

Cryptographic Hash Functions

md5	f1f40e0719a0ba9e89d685cf47768502
sha1	a9160e473d34c6f044261819640e287100cb3dfc
sha256	07cc74711332de295e7ee7b47751d82976c40185da661cdfd24ec6a4812a3d99
sha512	24954b18d6edbe812019b8f25428d4f9d61ee187151ea13f6b7b8e3867a64e6aeb81aecefa19a52e3f58c6732bb0bfc704cf79c529b16c3feb38859eaa5c37a6
ripemd-160	e164c4944e8b5c7e9060fcbef5a5396051a188aa

20985655 as geometric shapes

Circle

Radius = n

Diameter	41971310
Circumference	131856759.15754
Area	1.3835502285491E+15

Sphere

Radius = n

Volume	3.8712943695337E+22
Surface area	5.5342009141964E+15
Circumference	131856759.15754

Square

Length = n

Perimeter	83942620
Area	440397715779025
Diagonal	29678197.916283

Cube

Length = n

Surface area	2642386294674150
Volume	9.2420345261267E+21
Space diagonal	36348220.690112

Equilateral Triangle

Length = n

Perimeter	62956965
Area	1.9069780481664E+14
Altitude	18174110.345056

Triangular Pyramid

Length = n

Surface area	1.9069780481664E+14
Volume	1.0891842142307E+21
Height	9892732.6387609