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

21000421 (number)

21000421 is an odd 8-digits composite number following 21000420 and preceding 21000422. In scientific notation, it is written as 2.1000421 × 10^7. The sum of its digits is 10. It has a total of 3 prime factors and 8 positive divisors. There are 19118592 positive integers (up to 21000421) that are relatively prime to 21000421.

Interesting facts

21000421 has 8 divisors, whose sum is 22926680
The reverse of 21000421 is 12400012
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 10
Digital Root 1

Name

Name	twenty-one million four hundred twenty-one

Notation

Scientific notation	2.1000421 × 10^7
Engineering notation	2.1000421 × 10^6

Prime Factorization of 21000421

Prime Factorization 13 × 73 × 22129

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000421	Product of the distinct prime numbers

The prime factorization of 21000421 is 13 × 73 × 22129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 3, 53, 6, 770, 350, 2824, 9948, 71924, 48971, 612906, 708298, 5437877, 6154363, 10029493, 89306836, 631066517, 75061899, 5497712264, 8439235899

Basic calculations (n = 21000421)

Multiplication

n×y

n×2	42000842
n×3	63001263
n×4	84001684
n×5	105002105

Division

n÷y

n÷2	10500210.5
n÷3	7000140.3333333
n÷3	5250105.25
n÷5	4200084.2

Exponentiation

n^y

n²	441017682177241
n³	9.2615569941663E+21
n⁴	1.9449659599299E+29
n⁵	4.0845103989196E+36

Nth Root

^y√n

²√n	4582.6216295915
³√n	275.89426128782
⁴√n	67.695063554084
⁵√n	29.137051410058

Divisors of 21000421

1, 13, 73, 949, 22129, 287677, 1615417, 21000421

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	-21000420	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 21000421 can be divided by 8 positive divisors. The sum of these divisors (counting 21000421) is 1, the average is 0.125.

Base conversion 21000421

Base	System	Value
2	Binary	1010000000111000011100101
3	Ternary	1110111221011101
4	Quaternary	1100013003211
5	Quinary	20334003141
6	Senary	2030040101
8	Octal	120070345
10	Decimal	21000421
12	Duodecimal	7049031
16	Hexadecimal	14070e5
20	Vigesimal	6b5111
36	Base36	ci411

Cryptographic Hash Functions

md5	522d80d3095f7c2708e30781b07353b4
sha1	71044c8312da4f78c202181d5e74b42ce0500e19
sha256	29e57f47e7c218163871865f762d368131caa4eec142c41356cc81094a2d9069
sha512	74f435f7a745a689defb2860f279ef57acbc05a53d409ea5880d47ee7fd5faa5ed5a7fd05a48604a3e6693275ed2268b3489b98eabb1a68332b0a29d660d23ca
ripemd-160	feb02c16dabefc6ccdbf1b67178830f9b295aa44

21000421 as geometric shapes

Circle

Radius = n

Diameter	42000842
Circumference	131949536.67179
Area	1.3854979104312E+15

Sphere

Radius = n

Volume	3.8794719218235E+22
Surface area	5.5419916417249E+15
Circumference	131949536.67179

Square

Length = n

Perimeter	84001684
Area	441017682177241
Diagonal	29699080.193745

Cube

Length = n

Surface area	2646106093063446
Volume	9.2615569941663E+21
Space diagonal	36373796.152336

Equilateral Triangle

Length = n

Perimeter	63001263
Area	1.9096625814181E+14
Altitude	18186898.076168

Triangular Pyramid

Length = n

Surface area	1.9096625814181E+14
Volume	1.0914849591534E+21
Height	9899693.3979149