21084870 (number)

21084870 is an even 8-digits composite number following 21084869 and preceding 21084871. In scientific notation, it is written as 2.1084870 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 5241600 positive integers (up to 21084870) that are relatively prime to 21084870.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1084870 × 10^7
Engineering notation 2.1084870 × 10^6

Prime Factorization of 21084870

Prime Factorization 2 × 15 × 19 × 521 × 71

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21084870
Product of the distinct prime numbers

The prime factorization of 21084870 is 2 × 15 × 19 × 521 × 71. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084870)

Multiplication

n×y
n×2 42169740
n×3 63254610
n×4 84339480
n×5 105424350

Division

n÷y
n÷2 10542435
n÷3 7028290
n÷3 5271217.5
n÷5 4216974

Exponentiation

ny
n2 444571742916900
n3 9.3737374050763E+21
n4 1.9764403460017E+29
n5 4.1672987758201E+36

Nth Root

y√n
2√n 4591.8264340021
3√n 276.26358457115
4√n 67.763016712673
5√n 29.160447573982

Divisors of 21084870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084870 can be divided by 32 positive divisors. The sum of these divisors (counting 21084870) is 1, the average is 0.03125.

Base conversion 21084870

Base System Value
2 Binary 1010000011011101011000110
3 Ternary 1110200020000010
4 Quaternary 1100123223012
5 Quinary 20344203440
6 Senary 2031531050
8 Octal 120335306
10 Decimal 21084870
12 Duodecimal 7089a86
16 Hexadecimal 141bac6
20 Vigesimal 6bfc3a
36 Base36 cjx6u

Cryptographic Hash Functions

md5 ad629451cb43210c7b90c213c934d86f
sha1 b7354059f1cfadc6b9ef2c8ecbef57aa5da6e731
sha256 b7d45e3f8e85f4b7939e6599d366b4765f4746e16856cec7a8b77d7f65c0b936
sha512 1162e670d23cf49c2e274a6f57ea2b15ce1a86a59f78cf10a75613390796762a0670fc3f599d11aa3f7f2bef7cf5ea93b2449cf2d4c7fa44ae4851bbcf163086
ripemd-160 7dbce9b37317628698e54d3e9ba0409443b1294c

21084870 as geometric shapes

Circle

Radius = n
Diameter 42169740
Circumference 132480145.38779
Area 1.3966633215413E+15

Sphere

Radius = n
Volume 3.9264619424623E+22
Surface area 5.5866532861654E+15
Circumference 132480145.38779

Square

Length = n
Perimeter 84339480
Area 444571742916900
Diagonal 29818509.114874

Cube

Length = n
Surface area 2667430457501400
Volume 9.3737374050763E+21
Space diagonal 36520066.110985

Equilateral Triangle

Length = n
Perimeter 63254610
Area 1.9250521158538E+14
Altitude 18260033.055492

Triangular Pyramid

Length = n
Surface area 1.9250521158538E+14
Volume 1.1047055473652E+21
Height 9939503.0382912