21014721 (number)

21014721 is an odd 8-digits composite number following 21014720 and preceding 21014722. In scientific notation, it is written as 2.1014721 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 11080800 positive integers (up to 21014721) that are relatively prime to 21014721.

Interesting facts

Basic properties

Name

Name twenty-one million fourteen thousand seven hundred twenty-one

Notation

Scientific notation 2.1014721 × 10^7
Engineering notation 2.1014721 × 10^6

Prime Factorization of 21014721

Prime Factorization 189 × 3 × 13 × 2851

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21014721
Product of the distinct prime numbers

The prime factorization of 21014721 is 189 × 3 × 13 × 2851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21014721)

Multiplication

n×y
n×2 42029442
n×3 63044163
n×4 84058884
n×5 105073605

Division

n÷y
n÷2 10507360.5
n÷3 7004907
n÷3 5253680.25
n÷5 4202944.2

Exponentiation

ny
n2 441618498707841
n3 9.2804895387841E+21
n4 1.9502689840097E+29
n5 4.0984358573917E+36

Nth Root

y√n
2√n 4584.1816063503
3√n 275.95686944181
4√n 67.706584660211
5√n 29.141018439039

Divisors of 21014721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21014720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21014721 can be divided by 16 positive divisors. The sum of these divisors (counting 21014721) is 1, the average is 0.0625.

Base conversion 21014721

Base System Value
2 Binary 1010000001010100011000001
3 Ternary 1110112122210000
4 Quaternary 1100022203001
5 Quinary 20334432341
6 Senary 2030230213
8 Octal 120124301
10 Decimal 21014721
12 Duodecimal 7055369
16 Hexadecimal 140a8c1
20 Vigesimal 6b6gg1
36 Base36 cif29

Cryptographic Hash Functions

md5 77e38e5c671ac97b1f5010cb8340ea5a
sha1 8bd177bef2e93a030d168039a65ed3dbbb9a98b5
sha256 79c3f169aade24301b87858c8b1027fa2cc772a723b9439ca06334af704703cb
sha512 4a1c2b496306853b72c94b5fedb9f94edaceaf6c2378328f15daeb58265ea0e45e2aa8abff2103897a4df88892e2e98a8e5fef7adc3e45cf2273621310daa83c
ripemd-160 f5aa67c689f323e7e1f81f495bfe584da74f689b

21014721 as geometric shapes

Circle

Radius = n
Diameter 42029442
Circumference 132039386.22168
Area 1.3873854312299E+15

Sphere

Radius = n
Volume 3.8874023675682E+22
Surface area 5.5495417249196E+15
Circumference 132039386.22168

Square

Length = n
Perimeter 84058884
Area 441618498707841
Diagonal 29719303.447687

Cube

Length = n
Surface area 2649710992247046
Volume 9.2804895387841E+21
Space diagonal 36398564.478885

Equilateral Triangle

Length = n
Perimeter 63044163
Area 1.9122641933107E+14
Altitude 18199282.239442

Triangular Pyramid

Length = n
Surface area 1.9122641933107E+14
Volume 1.0937161809342E+21
Height 9906434.4825622