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

21093887 (number)

21093887 is an odd 8-digits composite number following 21093886 and preceding 21093888. In scientific notation, it is written as 2.1093887 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20796720 positive integers (up to 21093887) that are relatively prime to 21093887.

Interesting facts

21093887 has 4 divisors, whose sum is 21391056
The reverse of 21093887 is 78839012
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million ninety-three thousand eight hundred eighty-seven

Notation

Scientific notation	2.1093887 × 10^7
Engineering notation	2.1093887 × 10^6

Prime Factorization of 21093887

Prime Factorization 71 × 297097

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21093887	Product of the distinct prime numbers

The prime factorization of 21093887 is 71 × 297097. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 83, 27, 146, 726, 8174, 9720, 91827, 12924, 800671, 345274, 2607478, 4617787, 8563326, 47802030, 71772067, 160123014, 5567460992, 5435862639

Basic calculations (n = 21093887)

Multiplication

n×y

n×2	42187774
n×3	63281661
n×4	84375548
n×5	105469435

Division

n÷y

n÷2	10546943.5
n÷3	7031295.6666667
n÷3	5273471.75
n÷5	4218777.4

Exponentiation

n^y

n²	444952068768769
n³	9.3857686590246E+21
n⁴	1.9798234350161E+29
n⁵	4.1762171818181E+36

Nth Root

^y√n

²√n	4592.8081823651
³√n	276.30296057429
⁴√n	67.770260309114
⁵√n	29.162941255836

Divisors of 21093887

1, 71, 297097, 21093887

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	-21093886	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 21093887 can be divided by 4 positive divisors. The sum of these divisors (counting 21093887) is 1, the average is 0.25.

Base conversion 21093887

Base	System	Value
2	Binary	1010000011101110111111111
3	Ternary	1110200200101002
4	Quaternary	1100131313333
5	Quinary	20400001022
6	Senary	2032040515
8	Octal	120356777
10	Decimal	21093887
12	Duodecimal	709313b
16	Hexadecimal	141ddff
20	Vigesimal	6bgee7
36	Base36	ck45b

Cryptographic Hash Functions

md5	00841ef0e03bbf9d939ef39c610ca750
sha1	f373ac048473408ce437e17111eb4ea88afd480e
sha256	cf318fdec893ac991d5156718a9dd6b28753c388e87c3d963f092487ce121d84
sha512	5416aec0d383113f47fb5af15fbc442fcd3be02cfc06c1e31cd194192bdbe80429105e9ffe54d94b5ac0c2a2bef62cc3a02a37262e5ffd0e1097c5602ab1660f
ripemd-160	11dee2c3a10adf6f903007d07a74b82eddcecb33

21093887 as geometric shapes

Circle

Radius = n

Diameter	42187774
Circumference	132536800.86971
Area	1.3978581504435E+15

Sphere

Radius = n

Volume	3.9315015823314E+22
Surface area	5.5914326017742E+15
Circumference	132536800.86971

Square

Length = n

Perimeter	84375548
Area	444952068768769
Diagonal	29831261.078566

Cube

Length = n

Surface area	2669712412612614
Volume	9.3857686590246E+21
Space diagonal	36535684.013117

Equilateral Triangle

Length = n

Perimeter	63281661
Area	1.926698975101E+14
Altitude	18267842.006558

Triangular Pyramid

Length = n

Surface area	1.926698975101E+14
Volume	1.1061234442407E+21
Height	9943753.6928552