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

21131405 (number)

21131405 is an odd 8-digits composite number following 21131404 and preceding 21131406. In scientific notation, it is written as 2.1131405 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 16905120 positive integers (up to 21131405) that are relatively prime to 21131405.

Interesting facts

21131405 has 4 divisors, whose sum is 25357692
The reverse of 21131405 is 50413112
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.1131405 × 10^7
Engineering notation	2.1131405 × 10^6

Prime Factorization of 21131405

Prime Factorization 5 × 4226281

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131405	Product of the distinct prime numbers

The prime factorization of 21131405 is 5 × 4226281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 54, 26, 176, 771, 2608, 4368, 28465, 52686, 619550, 103216, 1148448, 4697962, 27846438, 7876948, 534201642, 729784021, 5210676182, 6577437824

Basic calculations (n = 21131405)

Multiplication

n×y

n×2	42262810
n×3	63394215
n×4	84525620
n×5	105657025

Division

n÷y

n÷2	10565702.5
n÷3	7043801.6666667
n÷3	5282851.25
n÷5	4226281

Exponentiation

n^y

n²	446536277274025
n³	9.4359389222697E+21
n⁴	1.9939464692174E+29
n⁵	4.2134890389354E+36

Nth Root

^y√n

²√n	4596.8907970497
³√n	276.46667616669
⁴√n	67.800374608476
⁵√n	29.173307838719

Divisors of 21131405

1, 5, 4226281, 21131405

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	-21131404	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 21131405 can be divided by 4 positive divisors. The sum of these divisors (counting 21131405) is 1, the average is 0.25.

Base conversion 21131405

Base	System	Value
2	Binary	1010000100111000010001101
3	Ternary	1110202120211122
4	Quaternary	1100213002031
5	Quinary	20402201110
6	Senary	2032530325
8	Octal	120470215
10	Decimal	21131405
12	Duodecimal	70b09a5
16	Hexadecimal	142708d
20	Vigesimal	6c18a5
36	Base36	ckx3h

Cryptographic Hash Functions

md5	e8c19626912a224fbc859cb32e86f4df
sha1	5c17297a345201c2ec70084106ad6e4e24008a25
sha256	3685f85487c1ca275156ab0e2bf80fb6af48624207ba3a14035c153df1cda170
sha512	e3f2d58b6a0745cb62892bf5d2fbaa45d5490763012f03fc9c4bf2ed0d72680604d45f80b647af9fba3bab593c04c837d3d1ef4bf7cb812fc56b1e4965127933
ripemd-160	f84fccb4b2ce96c279d040629105a91756f5cf0c

21131405 as geometric shapes

Circle

Radius = n

Diameter	42262810
Circumference	132772533.41606
Area	1.4028350882454E+15

Sphere

Radius = n

Volume	3.9525168530566E+22
Surface area	5.6113403529816E+15
Circumference	132772533.41606

Square

Length = n

Perimeter	84525620
Area	446536277274025
Diagonal	29884319.542999

Cube

Length = n

Surface area	2679217663644150
Volume	9.4359389222697E+21
Space diagonal	36600667.095315

Equilateral Triangle

Length = n

Perimeter	63394215
Area	1.9335587991532E+14
Altitude	18300333.547658

Triangular Pyramid

Length = n

Surface area	1.9335587991532E+14
Volume	1.1120360664665E+21
Height	9961439.8476662