21721000 (number)

21721000 is an even 8-digits composite number following 21720999 and preceding 21721001. In scientific notation, it is written as 2.1721000 × 10^7. The sum of its digits is 13. It has a total of 7 prime factors and 64 positive divisors. There are 7123200 positive integers (up to 21721000) that are relatively prime to 21721000.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred twenty-one thousand

Notation

Scientific notation 2.1721000 × 10^7
Engineering notation 2.1721000 × 10^6

Prime Factorization of 21721000

Prime Factorization 2 × 2 × 2 × 35 × 145 × 5 × 107

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5430250
Product of the distinct prime numbers

The prime factorization of 21721000 is 2 × 2 × 2 × 35 × 145 × 5 × 107. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 7, 21, 64, 768, 69, 8015, 9549, 52193, 5511, 959866, 905848, 6948936, 5199748, 50921236, 56285189, 793334022, 305798483, 9833236932, 7457991395

Basic calculations (n = 21721000)

Multiplication

n×y
n×2 43442000
n×3 65163000
n×4 86884000
n×5 108605000

Division

n÷y
n÷2 10860500
n÷3 7240333.3333333
n÷3 5430250
n÷5 4344200

Exponentiation

ny
n2 471801841000000
n3 1.0248007788361E+22
n4 2.2259697717099E+29
n5 4.8350289411311E+36

Nth Root

y√n
2√n 4660.5793631264
3√n 279.0143918442
4√n 68.268436067677
5√n 29.33431580194

Divisors of 21721000

1, 2, 4, 5, 8, 10, 20, 35, 40, 70, 107, 140, 145, 175, 214, 280, 290, 350, 428, 535, 580, 700, 725, 856, 1070, 1160, 1400, 1450, 2140, 2900, 3745, 4280, 5075, 5800, 7490, 10150, 14980, 15515, 18725, 20300, 25375, 29960, 31030, 37450, 40600, 50750, 62060, 74900, 77575, 101500, 124120, 149800, 155150, 203000, 310300, 543025, 620600, 1086050, 2172100, 2715125, 4344200, 5430250, 10860500, 21721000

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21720999
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21721000 can be divided by 64 positive divisors. The sum of these divisors (counting 21721000) is 1, the average is 0.015625.

Base conversion 21721000

Base System Value
2 Binary 1010010110110111110101000
3 Ternary 1111212112121111
4 Quaternary 1102312332220
5 Quinary 21030033000
6 Senary 2053320104
8 Octal 122667650
10 Decimal 21721000
12 Duodecimal 7336034
16 Hexadecimal 14b6fa8
20 Vigesimal 6ff2a0
36 Base36 cxk14

Cryptographic Hash Functions

md5 22d6ba43c8c7b80874008b637cd6a234
sha1 5b4489f3f984f325f952192fa811b40746586372
sha256 2e4b05256d0431e7749386d36a331dd994526c52c59ececb7a9beb17dc0e3647
sha512 02fe310dd6aba4c7cce53780aa235b406d171d8e3e7aedb694bdfab40173f23ae6bbc2ab4a695b3bc65b1f44383d0909ef79d164d5b79fc9eb9aa7b5bd02b976
ripemd-160 9eb0fa81b22b539dcbe8a216a0aa2dce5712a935

21721000 as geometric shapes

Circle

Radius = n
Diameter 43442000
Circumference 136477068.05725
Area 1.4822091976357E+15

Sphere

Radius = n
Volume 4.2926754642461E+22
Surface area 5.928836790543E+15
Circumference 136477068.05725

Square

Length = n
Perimeter 86884000
Area 471801841000000
Diagonal 30718132.788306

Cube

Length = n
Surface area 2830811046000000
Volume 1.0248007788361E+22
Space diagonal 37621875.591204

Equilateral Triangle

Length = n
Perimeter 65163000
Area 2.0429618992913E+14
Altitude 18810937.795602

Triangular Pyramid

Length = n
Surface area 2.0429618992913E+14
Volume 1.2077393001338E+21
Height 10239377.596102