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

21681187 (number)

21681187 is an odd 8-digits composite number following 21681186 and preceding 21681188. In scientific notation, it is written as 2.1681187 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 19337760 positive integers (up to 21681187) that are relatively prime to 21681187.

Interesting facts

21681187 has 8 divisors, whose sum is 24099120
The reverse of 21681187 is 78118612
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million six hundred eighty-one thousand one hundred eighty-seven

Notation

Scientific notation	2.1681187 × 10^7
Engineering notation	2.1681187 × 10^6

Prime Factorization of 21681187

Prime Factorization 11 × 53 × 37189

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21681187	Product of the distinct prime numbers

The prime factorization of 21681187 is 11 × 53 × 37189. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 52, 87, 31, 144, 9271, 8278, 30372, 90159, 722295, 702112, 9405715, 2738897, 54812140, 88562857, 984818401, 676257155, 8717460767, 9409414503

Basic calculations (n = 21681187)

Multiplication

n×y

n×2	43362374
n×3	65043561
n×4	86724748
n×5	108405935

Division

n÷y

n÷2	10840593.5
n÷3	7227062.3333333
n÷3	5420296.75
n÷5	4336237.4

Exponentiation

n^y

n²	470073869728969
n³	1.0191759473407E+22
n⁴	2.2096944300197E+29
n⁵	4.7908798150115E+36

Nth Root

^y√n

²√n	4656.3061540238
³√n	278.84381661189
⁴√n	68.237131783391
⁵√n	29.323554379183

Divisors of 21681187

1, 11, 53, 583, 37189, 409079, 1971017, 21681187

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	-21681186	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 21681187 can be divided by 8 positive divisors. The sum of these divisors (counting 21681187) is 1, the average is 0.125.

Base conversion 21681187

Base	System	Value
2	Binary	1010010101101010000100011
3	Ternary	1111210111222221
4	Quaternary	1102231100203
5	Quinary	21022244222
6	Senary	2052411511
8	Octal	122552043
10	Decimal	21681187
12	Duodecimal	7316b97
16	Hexadecimal	14ad423
20	Vigesimal	6fa2j7
36	Base36	cwpb7

Cryptographic Hash Functions

md5	07eab3ec38a6cdabae2c2a90f6a75908
sha1	260517b94576343c9f6b8a21ec30da2cce59262d
sha256	979e412d6d475cb387215635ac7bced2923fe1314410391aee6c199b84db0ee2
sha512	90ed083a5811d6ad2ddd52c127c672b2cefd8d6ff791c0a97596370e16edc18c3a96b257e99a2759fe272ecf4809fb20d59e4abbf4ba656d3b9ff2be8a6b0ea3
ripemd-160	1af6c8849c2ce051ed700902eb2ed4b074f464fa

21681187 as geometric shapes

Circle

Radius = n

Diameter	43362374
Circumference	136226915.60061
Area	1.4767806157851E+15

Sphere

Radius = n

Volume	4.2691142251748E+22
Surface area	5.9071224631402E+15
Circumference	136226915.60061

Square

Length = n

Perimeter	86724748
Area	470073869728969
Diagonal	30661828.703747

Cube

Length = n

Surface area	2820443218373814
Volume	1.0191759473407E+22
Space diagonal	37552917.452402

Equilateral Triangle

Length = n

Perimeter	65043561
Area	2.0354795642027E+14
Altitude	18776458.726201

Triangular Pyramid

Length = n

Surface area	2.0354795642027E+14
Volume	1.2011103726448E+21
Height	10220609.567916