21084887 (number)

21084887 is an odd 8-digits prime number following 21084886 and preceding 21084888. In scientific notation, it is written as 2.1084887 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 21084886 positive integers (up to 21084887) that are relatively prime to 21084887.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1084887 × 10^7
Engineering notation 2.1084887 × 10^6

Prime Factorization of 21084887

Prime Factorization 21084887

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21084887
Product of the distinct prime numbers

The prime factorization of 21084887 is 21084887. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084887)

Multiplication

n×y
n×2 42169774
n×3 63254661
n×4 84339548
n×5 105424435

Division

n÷y
n÷2 10542443.5
n÷3 7028295.6666667
n÷3 5271221.75
n÷5 4216977.4

Exponentiation

ny
n2 444572459802769
n3 9.3737600782534E+21
n4 1.9764467201508E+29
n5 4.1673155755901E+36

Nth Root

y√n
2√n 4591.8282851169
3√n 276.26365881838
4√n 67.763030371412
5√n 29.160452276192

Divisors of 21084887

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21084888
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10542444
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4591.828394006
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051453
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084887 can be divided by 2 positive divisors. The sum of these divisors (counting 21084887) is 21084888, the average is 10542444.

Base conversion 21084887

Base System Value
2 Binary 1010000011011101011010111
3 Ternary 1110200020000202
4 Quaternary 1100123223113
5 Quinary 20344204022
6 Senary 2031531115
8 Octal 120335327
10 Decimal 21084887
12 Duodecimal 7089a9b
16 Hexadecimal 141bad7
20 Vigesimal 6bfc47
36 Base36 cjx7b

Cryptographic Hash Functions

md5 d7ca8af89e6d7f3211f93a4469f4272d
sha1 aa3104ba8caabf71a01dc9149f31b5d9918760ea
sha256 f6dca4ff86d4f649d583e9b8b549bc93e40343149bcaef94367b78bce7e85e61
sha512 3670095862283095557a2004f20b2834d6b646860dd7195c91bf4e608a06c6d4fc02a8b3ee0bb20debb655668a7a339ba4a7ebafd40e369e30d5ebbd6ccea3e3
ripemd-160 b68eb1404b7a070c6878c3ed3339ba454a5dde3c

21084887 as geometric shapes

Circle

Radius = n
Diameter 42169774
Circumference 132480252.20194
Area 1.3966655737047E+15

Sphere

Radius = n
Volume 3.9264714397806E+22
Surface area 5.5866622948189E+15
Circumference 132480252.20194

Square

Length = n
Perimeter 84339548
Area 444572459802769
Diagonal 29818533.156504

Cube

Length = n
Surface area 2667434758816614
Volume 9.3737600782534E+21
Space diagonal 36520095.555849

Equilateral Triangle

Length = n
Perimeter 63254661
Area 1.9250552200607E+14
Altitude 18260047.777924

Triangular Pyramid

Length = n
Surface area 1.9250552200607E+14
Volume 1.1047082194248E+21
Height 9939511.0521681