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

21131421 (number)

21131421 is an odd 8-digits composite number following 21131420 and preceding 21131422. In scientific notation, it is written as 2.1131421 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 14087612 positive integers (up to 21131421) that are relatively prime to 21131421.

Interesting facts

21131421 has 4 divisors, whose sum is 28175232
The reverse of 21131421 is 12413112
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

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

Notation

Scientific notation	2.1131421 × 10^7
Engineering notation	2.1131421 × 10^6

Prime Factorization of 21131421

Prime Factorization 3 × 7043807

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131421	Product of the distinct prime numbers

The prime factorization of 21131421 is 3 × 7043807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 31, 41, 857, 910, 1244, 6391, 42490, 67110, 206558, 689130, 4610979, 6292936, 82206397, 86322773, 995276937, 37060591, 2882279413, 2977172688

Basic calculations (n = 21131421)

Multiplication

n×y

n×2	42262842
n×3	63394263
n×4	84525684
n×5	105657105

Division

n÷y

n÷2	10565710.5
n÷3	7043807
n÷3	5282855.25
n÷5	4226284.2

Exponentiation

n^y

n²	446536953479241
n³	9.4359603560273E+21
n⁴	1.9939525082252E+29
n⁵	4.2135049905313E+36

Nth Root

^y√n

²√n	4596.8925373561
³√n	276.46674594381
⁴√n	67.800387442522
⁵√n	29.173312256531

Divisors of 21131421

1, 3, 7043807, 21131421

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21131420	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131421 can be divided by 4 positive divisors. The sum of these divisors (counting 21131421) is 1, the average is 0.25.

Base conversion 21131421

Base	System	Value
2	Binary	1010000100111000010011101
3	Ternary	1110202120212020
4	Quaternary	1100213002131
5	Quinary	20402201141
6	Senary	2032530353
8	Octal	120470235
10	Decimal	21131421
12	Duodecimal	70b09b9
16	Hexadecimal	142709d
20	Vigesimal	6c18b1
36	Base36	ckx3x

Cryptographic Hash Functions

md5	693fa0482482f17edcf044311d561a11
sha1	c9abdc2811d7fdefa6f856ddde255c938602d6a5
sha256	73ba67a4796fdd3404efe774e6df89f918b4a91d67a0e50ee1bae6f0f3ed5a19
sha512	7e016d5a8b5c42e255356b8eb72121fd939b53f0292c6a21a5a3b93b9e7d0808bb909fc5c811cd2588573c4d5d54f7542062b9c6c419b6a96fc24b714acd10f0
ripemd-160	1549f9d30dacff0ffe45f59b2658001c5de867b8

21131421 as geometric shapes

Circle

Radius = n

Diameter	42262842
Circumference	132772633.94703
Area	1.4028372126068E+15

Sphere

Radius = n

Volume	3.952525831208E+22
Surface area	5.611348850427E+15
Circumference	132772633.94703

Square

Length = n

Perimeter	84525684
Area	446536953479241
Diagonal	29884342.170416

Cube

Length = n

Surface area	2679221720875446
Volume	9.4359603560273E+21
Space diagonal	36600694.808128

Equilateral Triangle

Length = n

Perimeter	63394263
Area	1.9335617272077E+14
Altitude	18300347.404064

Triangular Pyramid

Length = n

Surface area	1.9335617272077E+14
Volume	1.1120385924591E+21
Height	9961447.3901385