21446721 (number)

21446721 is an odd 8-digits composite number following 21446720 and preceding 21446722. In scientific notation, it is written as 2.1446721 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 14243760 positive integers (up to 21446721) that are relatively prime to 21446721.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred forty-six thousand seven hundred twenty-one

Notation

Scientific notation 2.1446721 × 10^7
Engineering notation 2.1446721 × 10^6

Prime Factorization of 21446721

Prime Factorization 3 × 9 × 293 × 2711

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21446721
Product of the distinct prime numbers

The prime factorization of 21446721 is 3 × 9 × 293 × 2711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 17, 38, 576, 505, 995, 6320, 22167, 19958, 562973, 234342, 3256535, 8147331, 2088833, 76063332, 317722095, 583811780, 2638563030, 8886161425

Basic calculations (n = 21446721)

Multiplication

n×y
n×2 42893442
n×3 64340163
n×4 85786884
n×5 107233605

Division

n÷y
n÷2 10723360.5
n÷3 7148907
n÷3 5361680.25
n÷5 4289344.2

Exponentiation

ny
n2 459961841651841
n3 9.8646732885532E+21
n4 2.1156489577575E+29
n5 4.5373732930967E+36

Nth Root

y√n
2√n 4631.0604617085
3√n 277.83500811325
4√n 68.051895357209
5√n 29.259855728426

Divisors of 21446721

1, 3, 9, 27, 293, 879, 2637, 2711, 7911, 8133, 24399, 73197, 794323, 2382969, 7148907, 21446721

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 -21446720
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 21446721 can be divided by 16 positive divisors. The sum of these divisors (counting 21446721) is 1, the average is 0.0625.

Base conversion 21446721

Base System Value
2 Binary 1010001110100000001000001
3 Ternary 1111100121101000
4 Quaternary 1101310001001
5 Quinary 20442243341
6 Senary 2043402213
8 Octal 121640101
10 Decimal 21446721
12 Duodecimal 7223369
16 Hexadecimal 1474041
20 Vigesimal 6e0gg1
36 Base36 croe9

Cryptographic Hash Functions

md5 266dcc711898ebdc2de7570c00ca1806
sha1 f81d0a602aecffcb03f262e234f39d5e16023240
sha256 408cd4f23d47e22533064930c2b87db2cfcd136e0f980b3ba513038d3f30dc80
sha512 69e4ff8b973d0fb23b33b4b84b5b4ff9f62c962a1044b0f1642dacb16ce30b8ff8cc78503c2ffe5f8534a910930d2188cd73b09f7550573d8454adc619ba15ae
ripemd-160 b4043a85e9049c7c60fcc4ea0fdf6d0389650dab

21446721 as geometric shapes

Circle

Radius = n
Diameter 42893442
Circumference 134753722.27438
Area 1.4450127426651E+15

Sphere

Radius = n
Volume 4.132104684451E+22
Surface area 5.7800509706602E+15
Circumference 134753722.27438

Square

Length = n
Perimeter 85786884
Area 459961841651841
Diagonal 30330243.706632

Cube

Length = n
Surface area 2759771049911046
Volume 9.8646732885532E+21
Space diagonal 37146810.427754

Equilateral Triangle

Length = n
Perimeter 64340163
Area 1.9916931982098E+14
Altitude 18573405.213877

Triangular Pyramid

Length = n
Surface area 1.9916931982098E+14
Volume 1.1625628960876E+21
Height 10110081.235544