21089871 (number)

21089871 is an odd 8-digits composite number following 21089870 and preceding 21089872. In scientific notation, it is written as 2.1089871 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 12781680 positive integers (up to 21089871) that are relatively prime to 21089871.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-nine thousand eight hundred seventy-one

Notation

Scientific notation 2.1089871 × 10^7
Engineering notation 2.1089871 × 10^6

Prime Factorization of 21089871

Prime Factorization 3 × 3 × 11 × 213029

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7029957
Product of the distinct prime numbers

The prime factorization of 21089871 is 3 × 3 × 11 × 213029. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 53, 59, 885, 784, 1900, 6596, 58563, 47776, 535734, 967459, 451045, 4550250, 76458309, 54867413, 821916671, 385319686, 2059591427, 6103696525

Basic calculations (n = 21089871)

Multiplication

n×y
n×2 42179742
n×3 63269613
n×4 84359484
n×5 105449355

Division

n÷y
n÷2 10544935.5
n÷3 7029957
n÷3 5272467.75
n÷5 4217974.2

Exponentiation

ny
n2 444782658796641
n3 9.3804088970582E+21
n4 1.9783161356621E+29
n5 4.1722432098332E+36

Nth Root

y√n
2√n 4592.3709562708
3√n 276.28542463893
4√n 67.767034436154
5√n 29.161830722797

Divisors of 21089871

1, 3, 9, 11, 33, 99, 213029, 639087, 1917261, 2343319, 7029957, 21089871

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 -21089870
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 21089871 can be divided by 12 positive divisors. The sum of these divisors (counting 21089871) is 1, the average is 0.083333333333333.

Base conversion 21089871

Base System Value
2 Binary 1010000011100111001001111
3 Ternary 1110200110212100
4 Quaternary 1100130321033
5 Quinary 20344333441
6 Senary 2032010143
8 Octal 120347117
10 Decimal 21089871
12 Duodecimal 7090953
16 Hexadecimal 141ce4f
20 Vigesimal 6bg4db
36 Base36 ck11r

Cryptographic Hash Functions

md5 2e0abda1a2552f8a62b024e4300e7578
sha1 4eae1d30997b5616823edd2fb2adf9d62b13621d
sha256 2c51bdb757956096ed309315fc72f3e9b3029f949fbb8234cd6d1985de04365e
sha512 2d8c7e4b72cd5973d795ed562c5424e711f7a36d603206484e648586e8a844ecc5757abe690d894ba71fd0d2050e7c4fd8dd4616ca65f07b9d94e63d896352e7
ripemd-160 5f988c4c9255f1f413c312ec85e4edaf70735ec8

21089871 as geometric shapes

Circle

Radius = n
Diameter 42179742
Circumference 132511567.59751
Area 1.3973259333197E+15

Sphere

Radius = n
Volume 3.9292564904888E+22
Surface area 5.5893037332787E+15
Circumference 132511567.59751

Square

Length = n
Perimeter 84359484
Area 444782658796641
Diagonal 29825581.596899

Cube

Length = n
Surface area 2668695952779846
Volume 9.3804088970582E+21
Space diagonal 36528728.097073

Equilateral Triangle

Length = n
Perimeter 63269613
Area 1.9259654084034E+14
Altitude 18264364.048537

Triangular Pyramid

Length = n
Surface area 1.9259654084034E+14
Volume 1.1054917902354E+21
Height 9941860.5322997