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

20201985 (number)

20201985 is an odd 8-digits composite number following 20201984 and preceding 20201986. In scientific notation, it is written as 2.0201985 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 10620960 positive integers (up to 20201985) that are relatively prime to 20201985.

Interesting facts

20201985 has 8 divisors, whose sum is 20945088
The reverse of 20201985 is 58910202
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million two hundred one thousand nine hundred eighty-five

Notation

Scientific notation	2.0201985 × 10^7
Engineering notation	2.0201985 × 10^6

Prime Factorization of 20201985

Prime Factorization 45 × 71 × 6323

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20201985	Product of the distinct prime numbers

The prime factorization of 20201985 is 45 × 71 × 6323. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 46, 5, 156, 627, 3592, 5650, 4873, 73884, 146234, 819055, 3813460, 4145506, 98141271, 18531138, 275786048, 64937244, 6724067083, 8522033783

Basic calculations (n = 20201985)

Multiplication

n×y

n×2	40403970
n×3	60605955
n×4	80807940
n×5	101009925

Division

n÷y

n÷2	10100992.5
n÷3	6733995
n÷3	5050496.25
n÷5	4040397

Exponentiation

n^y

n²	408120197940225
n³	8.2448381169855E+21
n⁴	1.6656209596677E+29
n⁵	3.3648849642892E+36

Nth Root

^y√n

²√n	4494.6618337757
³√n	272.35248868949
⁴√n	67.042239176326
⁵√n	28.912044846137

Divisors of 20201985

1, 45, 71, 3195, 6323, 284535, 448933, 20201985

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	-20201984	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 20201985 can be divided by 8 positive divisors. The sum of these divisors (counting 20201985) is 1, the average is 0.125.

Base conversion 20201985

Base	System	Value
2	Binary	1001101000100001000000001
3	Ternary	1102000100220200
4	Quaternary	1031010020001
5	Quinary	20132430420
6	Senary	2000555413
8	Octal	115041001
10	Decimal	20201985
12	Duodecimal	6922b69
16	Hexadecimal	1344201
20	Vigesimal	6654j5
36	Base36	c0zy9

Cryptographic Hash Functions

md5	d866189674a67d873c5781fb11daf57b
sha1	0437127805a8101c6f22a98d8c33ff865db081a1
sha256	88220131d6bd044c5eba8d139da4921fe48106cb729ffd82dacead2b1ef1185e
sha512	acddeebc560637a7347a18c7e7461914ae5528a2e19c2d27d3bd7da8e34af3b03382556654e3d6ffd5f9790f6be8d874d7ce1c8716147854d9d44aba58be2cea
ripemd-160	de4f0572b0dffa82631355b619aacf563990a958

20201985 as geometric shapes

Circle

Radius = n

Diameter	40403970
Circumference	126932815.32786
Area	1.2821474156306E+15

Sphere

Radius = n

Volume	3.4535897144478E+22
Surface area	5.1285896625225E+15
Circumference	126932815.32786

Square

Length = n

Perimeter	80807940
Area	408120197940225
Diagonal	28569921.173858

Cube

Length = n

Surface area	2448721187641350
Volume	8.2448381169855E+21
Space diagonal	34990864.433744

Equilateral Triangle

Length = n

Perimeter	60605955
Area	1.7672122960688E+14
Altitude	17495432.216872

Triangular Pyramid

Length = n

Surface area	1.7672122960688E+14
Volume	9.7166349038429E+20
Height	9523307.0579526