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

21087923 (number)

21087923 is an odd 8-digits composite number following 21087922 and preceding 21087924. In scientific notation, it is written as 2.1087923 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 20684160 positive integers (up to 21087923) that are relatively prime to 21087923.

Interesting facts

21087923 has 8 divisors, whose sum is 21494880
The reverse of 21087923 is 32978012
Previous prime number is 229

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million eighty-seven thousand nine hundred twenty-three

Notation

Scientific notation	2.1087923 × 10^7
Engineering notation	2.1087923 × 10^6

Prime Factorization of 21087923

Prime Factorization 71 × 229 × 1297

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087923	Product of the distinct prime numbers

The prime factorization of 21087923 is 71 × 229 × 1297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 44, 18, 995, 784, 8607, 9145, 63643, 25336, 616135, 996417, 2275598, 4324231, 25899240, 88420617, 747290577, 874638617, 549014034, 7106589480

Basic calculations (n = 21087923)

Multiplication

n×y

n×2	42175846
n×3	63263769
n×4	84351692
n×5	105439615

Division

n÷y

n÷2	10543961.5
n÷3	7029307.6666667
n÷3	5271980.75
n÷5	4217584.6

Exponentiation

n^y

n²	444700496453929
n³	9.3778098272822E+21
n⁴	1.9775853154637E+29
n⁵	4.1703166858429E+36

Nth Root

^y√n

²√n	4592.1588604925
³√n	276.27691786051
⁴√n	67.765469529049
⁵√n	29.161291986972

Divisors of 21087923

1, 71, 229, 1297, 16259, 92087, 297013, 21087923

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	-21087922	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 21087923 can be divided by 8 positive divisors. The sum of these divisors (counting 21087923) is 1, the average is 0.125.

Base conversion 21087923

Base	System	Value
2	Binary	1010000011100011010110011
3	Ternary	1110200101012012
4	Quaternary	1100130122303
5	Quinary	20344303143
6	Senary	2031553135
8	Octal	120343263
10	Decimal	21087923
12	Duodecimal	708b7ab
16	Hexadecimal	141c6b3
20	Vigesimal	6bfjg3
36	Base36	cjzjn

Cryptographic Hash Functions

md5	e484006ced4f980ae47315718ecf4814
sha1	198bf5d84fd50137fa0da06dfd67d67ae9edb352
sha256	2cebe3c7f06e0cad1f9f18085d4b772b52d74eeeb93e878bed3b912c63be59bd
sha512	74ac0336852731cdb8b4e6b0bfe8c13eea06577bb765b5833cd563e927520f17acd0394a1211f57872041342482081ce8130f1955e5b643009367a8a33136035
ripemd-160	fde9159cd400f08136836eb7000f49316be287f6

21087923 as geometric shapes

Circle

Radius = n

Diameter	42175846
Circumference	132499327.95253
Area	1.3970678127074E+15

Sphere

Radius = n

Volume	3.9281677946869E+22
Surface area	5.5882712508296E+15
Circumference	132499327.95253

Square

Length = n

Perimeter	84351692
Area	444700496453929
Diagonal	29822826.70888

Cube

Length = n

Surface area	2668202978723574
Volume	9.3778098272822E+21
Space diagonal	36525354.0621

Equilateral Triangle

Length = n

Perimeter	63263769
Area	1.9256096350233E+14
Altitude	18262677.03105

Triangular Pyramid

Length = n

Surface area	1.9256096350233E+14
Volume	1.1051854869249E+21
Height	9940942.2362932