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

20185421 (number)

20185421 is an odd 8-digits composite number following 20185420 and preceding 20185422. In scientific notation, it is written as 2.0185421 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 18258240 positive integers (up to 20185421) that are relatively prime to 20185421.

Interesting facts

20185421 has 8 divisors, whose sum is 20935200
The reverse of 20185421 is 12458102
Previous prime number is 1219

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million one hundred eighty-five thousand four hundred twenty-one

Notation

Scientific notation	2.0185421 × 10^7
Engineering notation	2.0185421 × 10^6

Prime Factorization of 20185421

Prime Factorization 29 × 1219 × 571

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20185421	Product of the distinct prime numbers

The prime factorization of 20185421 is 29 × 1219 × 571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 39, 60, 353, 608, 4697, 3019, 4585, 91251, 590807, 587949, 7494961, 9550693, 26806277, 55514090, 68378157, 858669097, 4396205994, 4958471237

Basic calculations (n = 20185421)

Multiplication

n×y

n×2	40370842
n×3	60556263
n×4	80741684
n×5	100927105

Division

n÷y

n÷2	10092710.5
n÷3	6728473.6666667
n÷3	5046355.25
n÷5	4037084.2

Exponentiation

n^y

n²	407451220947241
n³	8.2245744317841E+21
n⁴	1.660164974514E+29
n⁵	3.3511128940019E+36

Nth Root

^y√n

²√n	4492.8188256372
³√n	272.27803263749
⁴√n	67.028492640348
⁵√n	28.907302180982

Divisors of 20185421

1, 29, 571, 1219, 16559, 35351, 696049, 20185421

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	-20185420	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 20185421 can be divided by 8 positive divisors. The sum of these divisors (counting 20185421) is 1, the average is 0.125.

Base conversion 20185421

Base	System	Value
2	Binary	1001101000000000101001101
3	Ternary	1101222112012012
4	Quaternary	1031000011031
5	Quinary	20131413141
6	Senary	2000351005
8	Octal	115000515
10	Decimal	20185421
12	Duodecimal	6915465
16	Hexadecimal	134014d
20	Vigesimal	6633b1
36	Base36	c0n65

Cryptographic Hash Functions

md5	635ddca1ea564adc00821e90ebffae65
sha1	f6e4745899b00f715d41a1badff5c53bec9478a1
sha256	40e224cd17e4a6f2dc76a45261afaf7d9fdef671709ab67fd896f90b1507df47
sha512	8341d1ac5a13275962d763f55206e608d57725e4a1a3619700e4b58d6da9bbbb711bfaede8a9540c956a9ae201df1ee5eae66ad377ffd4bae57ef56de0e3358f
ripemd-160	d29718f6728434a20bb5944b4d2ec76e069a4b1d

20185421 as geometric shapes

Circle

Radius = n

Diameter	40370842
Circumference	126828740.64643
Area	1.280045762424E+15

Sphere

Radius = n

Volume	3.4451016818394E+22
Surface area	5.1201830496962E+15
Circumference	126828740.64643

Square

Length = n

Perimeter	80741684
Area	407451220947241
Diagonal	28546496.140411

Cube

Length = n

Surface area	2444707325683446
Volume	8.2245744317841E+21
Space diagonal	34962174.744168

Equilateral Triangle

Length = n

Perimeter	60556263
Area	1.7643155407165E+14
Altitude	17481087.372084

Triangular Pyramid

Length = n

Surface area	1.7643155407165E+14
Volume	9.6927539218134E+20
Height	9515498.7134702