21492009 (number)

21492009 is an odd 8-digits composite number following 21492008 and preceding 21492010. In scientific notation, it is written as 2.1492009 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 11164320 positive integers (up to 21492009) that are relatively prime to 21492009.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine

Notation

Scientific notation 2.1492009 × 10^7
Engineering notation 2.1492009 × 10^6

Prime Factorization of 21492009

Prime Factorization 9 × 7 × 11 × 31013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492009
Product of the distinct prime numbers

The prime factorization of 21492009 is 9 × 7 × 11 × 31013. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 23, 64, 865, 686, 6327, 4725, 60627, 86569, 919807, 524696, 7036329, 8841085, 73567480, 48758871, 68156494, 582647468, 6395375031, 618196420

Basic calculations (n = 21492009)

Multiplication

n×y
n×2 42984018
n×3 64476027
n×4 85968036
n×5 107460045

Division

n÷y
n÷2 10746004.5
n÷3 7164003
n÷3 5373002.25
n÷5 4298401.8

Exponentiation

ny
n2 461906450856081
n3 9.9272975989569E+21
n4 2.1335756934246E+29
n5 4.5854828005263E+36

Nth Root

y√n
2√n 4635.9474759751
3√n 278.03043418857
4√n 68.087792415198
5√n 29.272202627379

Divisors of 21492009

1, 7, 9, 11, 63, 77, 99, 693, 31013, 217091, 279117, 341143, 1953819, 2388001, 3070287, 21492009

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 -21492008
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 21492009 can be divided by 16 positive divisors. The sum of these divisors (counting 21492009) is 1, the average is 0.0625.

Base conversion 21492009

Base System Value
2 Binary 1010001111111000100101001
3 Ternary 1111102220111100
4 Quaternary 1101333010221
5 Quinary 21000221014
6 Senary 2044352013
8 Octal 121770451
10 Decimal 21492009
12 Duodecimal 7245609
16 Hexadecimal 147f129
20 Vigesimal 6e6a09
36 Base36 csnc9

Cryptographic Hash Functions

md5 85a1275573d6841e5b97d358f1954514
sha1 76a8c0a77085b9f2ce6db5bff87879d3bfc23856
sha256 d60091002f12c5bc1c00ff6c06f7de8dc0eebf01011e79b303836322d762b91c
sha512 b3a64f5fa78cf83f39e0eaddd54bdbe738c1d865e1030c5cbfd443169402ddd4a9d567f3d59fe80586d01660115c306eb3585dfc29b1de895e93a9839e9695ce
ripemd-160 738fba9470a74af0d7bdc3d56f950df8e712d0bf

21492009 as geometric shapes

Circle

Radius = n
Diameter 42984018
Circumference 135038275.17057
Area 1.4511219126552E+15

Sphere

Radius = n
Volume 4.158336694251E+22
Surface area 5.8044876506208E+15
Circumference 135038275.17057

Square

Length = n
Perimeter 85968036
Area 461906450856081
Diagonal 30394290.610445

Cube

Length = n
Surface area 2771438705136486
Volume 9.9272975989569E+21
Space diagonal 37225251.544728

Equilateral Triangle

Length = n
Perimeter 64476027
Area 2.0001136030664E+14
Altitude 18612625.772364

Triangular Pyramid

Length = n
Surface area 2.0001136030664E+14
Volume 1.1699432418466E+21
Height 10131430.203482