21084787 (number)

21084787 is an odd 8-digits prime number following 21084786 and preceding 21084788. In scientific notation, it is written as 2.1084787 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 21084786 positive integers (up to 21084787) that are relatively prime to 21084787.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1084787 × 10^7
Engineering notation 2.1084787 × 10^6

Prime Factorization of 21084787

Prime Factorization 21084787

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21084787
Product of the distinct prime numbers

The prime factorization of 21084787 is 21084787. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 5, 69, 93, 836, 725, 7059, 8642, 89534, 36049, 191892, 815926, 8321573, 4342170, 35475095, 62335122, 468093782, 829489800, 9268565526, 6498548484

Basic calculations (n = 21084787)

Multiplication

n×y
n×2 42169574
n×3 63254361
n×4 84339148
n×5 105423935

Division

n÷y
n÷2 10542393.5
n÷3 7028262.3333333
n÷3 5271196.75
n÷5 4216957.4

Exponentiation

ny
n2 444568242835369
n3 9.373626707148E+21
n4 1.9764092253773E+29
n5 4.1672167541915E+36

Nth Root

y√n
2√n 4591.8173961951
3√n 276.26322206938
4√n 67.762950025771
5√n 29.160424616089

Divisors of 21084787

1, 21084787

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21084788
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10542394
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4591.8175050845
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051449
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084787 can be divided by 2 positive divisors. The sum of these divisors (counting 21084787) is 21084788, the average is 10542394.

Base conversion 21084787

Base System Value
2 Binary 1010000011011101001110011
3 Ternary 1110200012220001
4 Quaternary 1100123221303
5 Quinary 20344203122
6 Senary 2031530431
8 Octal 120335163
10 Decimal 21084787
12 Duodecimal 7089a17
16 Hexadecimal 141ba73
20 Vigesimal 6bfbj7
36 Base36 cjx4j

Cryptographic Hash Functions

md5 af4ab0c4e340a2d32c36a741122ad83f
sha1 bcdcafe8e947d4d88a73e19d334ed66fe0b8a29c
sha256 2bcc7b37852a9349c42101445a0534646470d7fcd07c491d435646c39e702321
sha512 1ee15bceda03d6f3175a3d2cf4ee88cae1e9f79cc349762ae98bcd04cfa5c81a0e0c14de1205067bed5ef0817397a683381ad6fabb08a5ac02fa3059b71ec7d2
ripemd-160 3b5184a13cbe9741589cf24e26d1796ac349774a

21084787 as geometric shapes

Circle

Radius = n
Diameter 42169574
Circumference 132479623.88341
Area 1.3966523257109E+15

Sphere

Radius = n
Volume 3.9264155734226E+22
Surface area 5.5866093028437E+15
Circumference 132479623.88341

Square

Length = n
Perimeter 84339148
Area 444568242835369
Diagonal 29818391.735148

Cube

Length = n
Surface area 2667409457012214
Volume 9.373626707148E+21
Space diagonal 36519922.350768

Equilateral Triangle

Length = n
Perimeter 63254361
Area 1.9250369600562E+14
Altitude 18259961.175384

Triangular Pyramid

Length = n
Surface area 1.9250369600562E+14
Volume 1.1046925014893E+21
Height 9939463.911716