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

21490187 (number)

21490187 is an odd 8-digits composite number following 21490186 and preceding 21490188. In scientific notation, it is written as 2.1490187 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21477456 positive integers (up to 21490187) that are relatively prime to 21490187.

Interesting facts

21490187 has 4 divisors, whose sum is 21502920
The reverse of 21490187 is 78109412
Previous prime number is 2003

Basic properties

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

Name

Name	twenty-one million four hundred ninety thousand one hundred eighty-seven

Notation

Scientific notation	2.1490187 × 10^7
Engineering notation	2.1490187 × 10^6

Prime Factorization of 21490187

Prime Factorization 2003 × 10729

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490187	Product of the distinct prime numbers

The prime factorization of 21490187 is 2003 × 10729. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 61, 26, 264, 913, 1859, 6981, 48211, 12139, 688299, 287413, 7623665, 1497647, 73882378, 67279706, 439491590, 139359115, 9411270522, 8232646

Basic calculations (n = 21490187)

Multiplication

n×y

n×2	42980374
n×3	64470561
n×4	85960748
n×5	107450935

Division

n÷y

n÷2	10745093.5
n÷3	7163395.6666667
n÷3	5372546.75
n÷5	4298037.4

Exponentiation

n^y

n²	461828137294969
n³	9.9247730323306E+21
n⁴	2.1328522839734E+29
n⁵	4.5835394425966E+36

Nth Root

^y√n

²√n	4635.7509639755
³√n	278.02257722544
⁴√n	68.086349321839
⁵√n	29.271706296284

Divisors of 21490187

1, 2003, 10729, 21490187

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	-21490186	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 21490187 can be divided by 4 positive divisors. The sum of these divisors (counting 21490187) is 1, the average is 0.25.

Base conversion 21490187

Base	System	Value
2	Binary	1010001111110101000001011
3	Ternary	1111102210222212
4	Quaternary	1101332220023
5	Quinary	21000141222
6	Senary	2044335335
8	Octal	121765013
10	Decimal	21490187
12	Duodecimal	724454b
16	Hexadecimal	147ea0b
20	Vigesimal	6e6597
36	Base36	cslxn

Cryptographic Hash Functions

md5	2d9d728bd66d905b91e8aa739073959c
sha1	e7b94334946069c7f066b3df41e5d8d36cdd55e2
sha256	0bb368aaa98f36d0d224d1b9613040f797af89a701bb65a9346b3c20b043cc8b
sha512	d1b9da8d677bec1b525b3f2caa57ae31fd5904a37be8ca1179e9e479b3d0b8e2c105fb8a4e8b0bd7f26a10d7cdfb3b6546e1ee9cc37603b3a41d185bfc7c9d24
ripemd-160	39c276482a747af4960fdedfd171a379b10e47ba

21490187 as geometric shapes

Circle

Radius = n

Diameter	42980374
Circumference	135026827.20694
Area	1.4508758833469E+15

Sphere

Radius = n

Volume	4.1572792062554E+22
Surface area	5.8035035333877E+15
Circumference	135026827.20694

Square

Length = n

Perimeter	85960748
Area	461828137294969
Diagonal	30391713.913334

Cube

Length = n

Surface area	2770968823769814
Volume	9.9247730323306E+21
Space diagonal	37222095.748156

Equilateral Triangle

Length = n

Perimeter	64470561
Area	1.9997744953995E+14
Altitude	18611047.874078

Triangular Pyramid

Length = n

Surface area	1.9997744953995E+14
Volume	1.1696457188164E+21
Height	10130571.304445