21531520 (number)

21531520 is an even 8-digits composite number following 21531519 and preceding 21531521. In scientific notation, it is written as 2.1531520 × 10^7. The sum of its digits is 19. It has a total of 10 prime factors and 64 positive divisors. There are 8101888 positive integers (up to 21531520) that are relatively prime to 21531520.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand five hundred twenty

Notation

Scientific notation 2.1531520 × 10^7
Engineering notation 2.1531520 × 10^6

Prime Factorization of 21531520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 1979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 336430
Product of the distinct prime numbers

The prime factorization of 21531520 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 1979. Since it has a total of 10 prime factors.

Most popular turbo-numbers

2, 2, 26, 52, 808, 424, 973, 710, 54179, 77309, 470356, 865531, 9072648, 9969549, 20371705, 66944650, 996801643, 227655216, 4459942665, 360036321

Basic calculations (n = 21531520)

Multiplication

n×y
n×2 43063040
n×3 64594560
n×4 86126080
n×5 107657600

Division

n÷y
n÷2 10765760
n÷3 7177173.3333333
n÷3 5382880
n÷5 4306304

Exponentiation

ny
n2 463606353510400
n3 9.9821494727362E+21
n4 2.1493085101521E+29
n5 4.627787917251E+36

Nth Root

y√n
2√n 4640.2068919392
3√n 278.20070732852
4√n 68.119064085902
5√n 29.282957549683

Divisors of 21531520

1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1979, 2176, 2720, 3958, 5440, 7916, 9895, 10880, 15832, 19790, 31664, 33643, 39580, 63328, 67286, 79160, 126656, 134572, 158320, 168215, 253312, 269144, 316640, 336430, 538288, 633280, 672860, 1076576, 1266560, 1345720, 2153152, 2691440, 4306304, 5382880, 10765760, 21531520

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 -21531519
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 21531520 can be divided by 64 positive divisors. The sum of these divisors (counting 21531520) is 1, the average is 0.015625.

Base conversion 21531520

Base System Value
2 Binary 1010010001000101110000000
3 Ternary 1111111220200201
4 Quaternary 1102020232000
5 Quinary 21003002040
6 Senary 2045254544
8 Octal 122105600
10 Decimal 21531520
12 Duodecimal 7264454
16 Hexadecimal 1488b80
20 Vigesimal 6eb8g0
36 Base36 cthts

Cryptographic Hash Functions

md5 3cab22cf30d0b437275de4c5ecbdd8c8
sha1 ac2ca11619a0b71922d73cea0f61b304b456d810
sha256 72fa7d58e4f39bf051d5aab2d6289b9ca46bdc060b609d3684f22413f03b2a55
sha512 3a21561562796ac3af3efba9549381a0659f9bd1d3383ef734881ff5092c3461bf601a85285c4ad16f3d0170aa988725e7773e431e70ceb2643d340554a6dc43
ripemd-160 6ec521b3210dbcb698a99525b7f066fd9c7ecc4e

21531520 as geometric shapes

Circle

Radius = n
Diameter 43063040
Circumference 135286530.10524
Area 1.4564623143458E+15

Sphere

Radius = n
Volume 4.1813129934111E+22
Surface area 5.8258492573833E+15
Circumference 135286530.10524

Square

Length = n
Perimeter 86126080
Area 463606353510400
Diagonal 30450167.602508

Cube

Length = n
Surface area 2781638121062400
Volume 9.9821494727362E+21
Space diagonal 37293686.604185

Equilateral Triangle

Length = n
Perimeter 64594560
Area 2.0074743974794E+14
Altitude 18646843.302093

Triangular Pyramid

Length = n
Surface area 2.0074743974794E+14
Volume 1.1764075971649E+21
Height 10150055.867503