21531489 (number)

21531489 is an odd 8-digits composite number following 21531488 and preceding 21531490. In scientific notation, it is written as 2.1531489 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 12256848 positive integers (up to 21531489) that are relatively prime to 21531489.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand four hundred eighty-nine

Notation

Scientific notation 2.1531489 × 10^7
Engineering notation 2.1531489 × 10^6

Prime Factorization of 21531489

Prime Factorization 3 × 7 × 283 × 3623

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21531489
Product of the distinct prime numbers

The prime factorization of 21531489 is 3 × 7 × 283 × 3623. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 27, 40, 207, 432, 9310, 6607, 75869, 17170, 424171, 734371, 66311, 5511978, 21906925, 39981465, 137032799, 667161168, 5664270470, 4035210298

Basic calculations (n = 21531489)

Multiplication

n×y
n×2 43062978
n×3 64594467
n×4 86125956
n×5 107657445

Division

n÷y
n÷2 10765744.5
n÷3 7177163
n÷3 5382872.25
n÷5 4306297.8

Exponentiation

ny
n2 463605018557121
n3 9.9821063574074E+21
n4 2.1492961323135E+29
n5 4.627754603065E+36

Nth Root

y√n
2√n 4640.2035515697
3√n 278.20057381533
4√n 68.119039567288
5√n 29.282949117652

Divisors of 21531489

1, 3, 7, 21, 283, 849, 1981, 3623, 5943, 10869, 25361, 76083, 1025309, 3075927, 7177163, 21531489

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 -21531488
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 21531489 can be divided by 16 positive divisors. The sum of these divisors (counting 21531489) is 1, the average is 0.0625.

Base conversion 21531489

Base System Value
2 Binary 1010010001000101101100001
3 Ternary 1111111220122120
4 Quaternary 1102020231201
5 Quinary 21003001424
6 Senary 2045254453
8 Octal 122105541
10 Decimal 21531489
12 Duodecimal 7264429
16 Hexadecimal 1488b61
20 Vigesimal 6eb8e9
36 Base36 cthsx

Cryptographic Hash Functions

md5 81fe7702f8425694bb3b95823003f7d9
sha1 e069d67d609f4a788f2a3330ced8e62b01446b76
sha256 bdf9f27c828a6ee4de195d9218a78084aab91d92b52d54176f03271f8c702315
sha512 2b59652ecdc8a68d0f4642e559308ba35b9fbdd08201ce15f3c7423abe00e8cbb3d16813f974cc39ca08779ca04624c75cc1870e7811bdb1bcdd086c4c7cae98
ripemd-160 402850d9a6a4ef92c5541bac3acfa6a4fe76590a

21531489 as geometric shapes

Circle

Radius = n
Diameter 43062978
Circumference 135286335.3265
Area 1.4564581204664E+15

Sphere

Radius = n
Volume 4.1812949333044E+22
Surface area 5.8258324818656E+15
Circumference 135286335.3265

Square

Length = n
Perimeter 86125956
Area 463605018557121
Diagonal 30450123.761887

Cube

Length = n
Surface area 2781630111342726
Volume 9.9821063574074E+21
Space diagonal 37293632.91061

Equilateral Triangle

Length = n
Perimeter 64594467
Area 2.0074686169621E+14
Altitude 18646816.455305

Triangular Pyramid

Length = n
Surface area 2.0074686169621E+14
Volume 1.1764025159747E+21
Height 10150041.253962