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

21090187 (number)

21090187 is an odd 8-digits composite number following 21090186 and preceding 21090188. In scientific notation, it is written as 2.1090187 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21044560 positive integers (up to 21090187) that are relatively prime to 21090187.

Interesting facts

21090187 has 4 divisors, whose sum is 21135816
The reverse of 21090187 is 78109012
Previous prime number is 467

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1090187 × 10^7
Engineering notation	2.1090187 × 10^6

Prime Factorization of 21090187

Prime Factorization 467 × 45161

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21090187	Product of the distinct prime numbers

The prime factorization of 21090187 is 467 × 45161. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 24, 50, 282, 602, 1739, 9866, 95202, 95783, 190871, 688783, 5473506, 5394536, 16498387, 69847201, 890039773, 335582743, 7820785302, 2192255340

Basic calculations (n = 21090187)

Multiplication

n×y

n×2	42180374
n×3	63270561
n×4	84360748
n×5	105450935

Division

n÷y

n÷2	10545093.5
n÷3	7030062.3333333
n÷3	5272546.75
n÷5	4218037.4

Exponentiation

n^y

n²	444795987694969
n³	9.3808305573366E+21
n⁴	1.9784347066954E+29
n⁵	4.1725557931497E+36

Nth Root

^y√n

²√n	4592.4053610281
³√n	276.28680453923
⁴√n	67.767288281502
⁵√n	29.161918111508

Divisors of 21090187

1, 467, 45161, 21090187

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	-21090186	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 21090187 can be divided by 4 positive divisors. The sum of these divisors (counting 21090187) is 1, the average is 0.25.

Base conversion 21090187

Base	System	Value
2	Binary	1010000011100111110001011
3	Ternary	1110200111022001
4	Quaternary	1100130332023
5	Quinary	20344341222
6	Senary	2032011431
8	Octal	120347613
10	Decimal	21090187
12	Duodecimal	7090b77
16	Hexadecimal	141cf8b
20	Vigesimal	6bg597
36	Base36	ck1aj

Cryptographic Hash Functions

md5	306921b92b58605f3faf90088e5265b1
sha1	4ea0a7d0a25fa3b23d910efb2e978276f85a4118
sha256	53f91b3a6e90b5d5f0a680afb093c680be7f1880c8ffa85b75d37b7855255e02
sha512	78c2d5bc0862b0327016455f0f9874819b14be62502bcd3be1a33de6950ca96c20f3fb508df3740d6debed75fb98ae10e280746fe35a07545de326e1e123a1e4
ripemd-160	0bf1d3ffa30186c3708a52436e7a9dfe97690d94

21090187 as geometric shapes

Circle

Radius = n

Diameter	42180374
Circumference	132513553.08407
Area	1.3973678072887E+15

Sphere

Radius = n

Volume	3.9294331151332E+22
Surface area	5.5894712291549E+15
Circumference	132513553.08407

Square

Length = n

Perimeter	84360748
Area	444795987694969
Diagonal	29826028.488385

Cube

Length = n

Surface area	2668775926169814
Volume	9.3808305573366E+21
Space diagonal	36529275.425129

Equilateral Triangle

Length = n

Perimeter	63270561
Area	1.9260231242262E+14
Altitude	18264637.712564

Triangular Pyramid

Length = n

Surface area	1.9260231242262E+14
Volume	1.1055414833758E+21
Height	9942009.4961282