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

20180421 (number)

20180421 is an odd 8-digits composite number following 20180420 and preceding 20180422. In scientific notation, it is written as 2.0180421 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13453452 positive integers (up to 20180421) that are relatively prime to 20180421.

Interesting facts

20180421 has 8 divisors, whose sum is 23253440
The reverse of 20180421 is 12408102
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

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

Notation

Scientific notation	2.0180421 × 10^7
Engineering notation	2.0180421 × 10^6

Prime Factorization of 20180421

Prime Factorization 27 × 9 × 83047

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20180421	Product of the distinct prime numbers

The prime factorization of 20180421 is 27 × 9 × 83047. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 7, 65, 169, 164, 1146, 3487, 87263, 5726, 88246, 556799, 3646311, 1513988, 7890245, 52291970, 979563271, 1111870, 8323357489, 8271128255

Basic calculations (n = 20180421)

Multiplication

n×y

n×2	40360842
n×3	60541263
n×4	80721684
n×5	100902105

Division

n÷y

n÷2	10090210.5
n÷3	6726807
n÷3	5045105.25
n÷5	4036084.2

Exponentiation

n^y

n²	407249391737241
n³	8.2184641772514E+21
n⁴	1.6585206707035E+29
n⁵	3.3469645372E+36

Nth Root

^y√n

²√n	4492.2623476373
³√n	272.25554937121
⁴√n	67.0243414562
⁵√n	28.905869950919

Divisors of 20180421

1, 9, 27, 243, 83047, 747423, 2242269, 20180421

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	-20180420	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 20180421 can be divided by 8 positive divisors. The sum of these divisors (counting 20180421) is 1, the average is 0.125.

Base conversion 20180421

Base	System	Value
2	Binary	1001100111110110111000101
3	Ternary	1101222021100000
4	Quaternary	1030332313011
5	Quinary	20131233141
6	Senary	2000311513
8	Octal	114766705
10	Decimal	20180421
12	Duodecimal	6912599
16	Hexadecimal	133edc5
20	Vigesimal	662b11
36	Base36	c0jb9

Cryptographic Hash Functions

md5	c7570ddfdfc3f6efbba25663df3bf903
sha1	8b0a8b2b8a52c958b62c34f5c4437a457cd119fd
sha256	30bb5b543aaa2cee26602ae739dc0757f352d55066ebaa566bf98c52dbc9aedd
sha512	0835753da9d81f3210010ac4ff8e8ca2de45b4c8bdf3ebbe640d9b42998cb34d69e48edfc8ccc520baaee138bc2514aae6d55a78e0ce1fa54e556f293753b23e
ripemd-160	4809dfe1508df03335247980d538dd5db3b1dd46

20180421 as geometric shapes

Circle

Radius = n

Diameter	40360842
Circumference	126797324.7199
Area	1.2794116972606E+15

Sphere

Radius = n

Volume	3.4425422244059E+22
Surface area	5.1176467890425E+15
Circumference	126797324.7199

Square

Length = n

Perimeter	80721684
Area	407249391737241
Diagonal	28539425.072599

Cube

Length = n

Surface area	2443496350423446
Volume	8.2184641772514E+21
Space diagonal	34953514.49013

Equilateral Triangle

Length = n

Perimeter	60541263
Area	1.7634415946011E+14
Altitude	17476757.245065

Triangular Pyramid

Length = n

Surface area	1.7634415946011E+14
Volume	9.6855529177887E+20
Height	9513141.6908663