21531009 (number)

21531009 is an odd 8-digits composite number following 21531008 and preceding 21531010. In scientific notation, it is written as 2.1531009 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13598496 positive integers (up to 21531009) that are relatively prime to 21531009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1531009 × 10^7
Engineering notation 2.1531009 × 10^6

Prime Factorization of 21531009

Prime Factorization 3 × 19 × 377737

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21531009
Product of the distinct prime numbers

The prime factorization of 21531009 is 3 × 19 × 377737. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531009)

Multiplication

n×y
n×2 43062018
n×3 64593027
n×4 86124036
n×5 107655045

Division

n÷y
n÷2 10765504.5
n÷3 7177003
n÷3 5382752.25
n÷5 4306201.8

Exponentiation

ny
n2 463584348558081
n3 9.9814387810632E+21
n4 2.1491044822802E+29
n5 4.6272387949915E+36

Nth Root

y√n
2√n 4640.1518294125
3√n 278.19850649789
4√n 68.11865992085
5√n 29.282818555934

Divisors of 21531009

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21531008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531009 can be divided by 8 positive divisors. The sum of these divisors (counting 21531009) is 1, the average is 0.125.

Base conversion 21531009

Base System Value
2 Binary 1010010001000100110000001
3 Ternary 1111111212222210
4 Quaternary 1102020212001
5 Quinary 21002443014
6 Senary 2045252333
8 Octal 122104601
10 Decimal 21531009
12 Duodecimal 72640a9
16 Hexadecimal 1488981
20 Vigesimal 6eb7a9
36 Base36 cthfl

Cryptographic Hash Functions

md5 3ba85d04961c9049322ee056277479f5
sha1 a0b576579c6b1d63ebea450aef515177b3fbf764
sha256 502e2d8443075693d87c3d7778c567dc254abad20f1945edac87d984aa4f3211
sha512 cb2704cda7a511b246bd806ae56b1f2925d087b59f873b809e2fc189a1dd3fa2b896d07f398211d8e1ac98233607dd2580c0d4e3fd16aaad85af1612cc8ecae6
ripemd-160 ac16ba260d7999a4c082c38586bb46005021389e

21531009 as geometric shapes

Circle

Radius = n
Diameter 43062018
Circumference 135283319.39755
Area 1.4563931837493E+15

Sphere

Radius = n
Volume 4.1810152995792E+22
Surface area 5.8255727349971E+15
Circumference 135283319.39755

Square

Length = n
Perimeter 86124036
Area 463584348558081
Diagonal 30449444.939377

Cube

Length = n
Surface area 2781506091348486
Volume 9.9814387810632E+21
Space diagonal 37292801.526223

Equilateral Triangle

Length = n
Perimeter 64593027
Area 2.0073791132408E+14
Altitude 18646400.763111

Triangular Pyramid

Length = n
Surface area 2.0073791132408E+14
Volume 1.176323841348E+21
Height 10149814.979792