21082887 (number)

21082887 is an odd 8-digits composite number following 21082886 and preceding 21082888. In scientific notation, it is written as 2.1082887 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 12047112 positive integers (up to 21082887) that are relatively prime to 21082887.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand eight hundred eighty-seven

Notation

Scientific notation 2.1082887 × 10^7
Engineering notation 2.1082887 × 10^6

Prime Factorization of 21082887

Prime Factorization 9 × 7 × 7 × 47807

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3011841
Product of the distinct prime numbers

The prime factorization of 21082887 is 9 × 7 × 7 × 47807. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 9, 41, 438, 727, 7388, 7759, 67950, 11268, 730453, 596668, 5449400, 7365947, 49404709, 3985905, 161526815, 416726194, 8263525862, 1475902044

Basic calculations (n = 21082887)

Multiplication

n×y
n×2 42165774
n×3 63248661
n×4 84331548
n×5 105414435

Division

n÷y
n÷2 10541443.5
n÷3 7027629
n÷3 5270721.75
n÷5 4216577.4

Exponentiation

ny
n2 444488124254769
n3 9.3710928965053E+21
n4 1.9756969260352E+29
n5 4.1653395037848E+36

Nth Root

y√n
2√n 4591.6105017739
3√n 276.25492357611
4√n 67.761423404278
5√n 29.159899054186

Divisors of 21082887

1, 7, 9, 49, 63, 441, 47807, 334649, 430263, 2342543, 3011841, 21082887

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21082886
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21082887 can be divided by 12 positive divisors. The sum of these divisors (counting 21082887) is 1, the average is 0.083333333333333.

Base conversion 21082887

Base System Value
2 Binary 1010000011011001100000111
3 Ternary 1110200010021200
4 Quaternary 1100123030013
5 Quinary 20344123022
6 Senary 2031513543
8 Octal 120331407
10 Decimal 21082887
12 Duodecimal 70888b3
16 Hexadecimal 141b307
20 Vigesimal 6bf747
36 Base36 cjvnr

Cryptographic Hash Functions

md5 ec18fcff0ed668923ab5b2a965a96cc2
sha1 97dcff6cbc2fc57d66876be522ce7f00a13bae27
sha256 2c62dd971ab734a3e4f7a3cc47eaa3179df81f7d63ee31ec3986d2ea23738dd9
sha512 bb9e03503f26ba09b236e803f1bd81102fef9fda20f6717e737f0860e0a175e7498322b95eb658357a70ef1a42f35802a896fd7b4357a825187a1538dcdf91ae
ripemd-160 fa1b57bb8943f8aec5d3166b992e554c9b25a04e

21082887 as geometric shapes

Circle

Radius = n
Diameter 42165774
Circumference 132467685.83133
Area 1.3964006257667E+15

Sphere

Radius = n
Volume 3.9253542133025E+22
Surface area 5.5856025030668E+15
Circumference 132467685.83133

Square

Length = n
Perimeter 84331548
Area 444488124254769
Diagonal 29815704.729379

Cube

Length = n
Surface area 2666928745528614
Volume 9.3710928965053E+21
Space diagonal 36516631.454233

Equilateral Triangle

Length = n
Perimeter 63248661
Area 1.9246900364256E+14
Altitude 18258315.727117

Triangular Pyramid

Length = n
Surface area 1.9246900364256E+14
Volume 1.1043938890413E+21
Height 9938568.2431265