21781353 (number)

21781353 is an odd 8-digits composite number following 21781352 and preceding 21781354. In scientific notation, it is written as 2.1781353 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12505680 positive integers (up to 21781353) that are relatively prime to 21781353.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-one thousand three hundred fifty-three

Notation

Scientific notation 2.1781353 × 10^7
Engineering notation 2.1781353 × 10^6

Prime Factorization of 21781353

Prime Factorization 3 × 11 × 19 × 34739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21781353
Product of the distinct prime numbers

The prime factorization of 21781353 is 3 × 11 × 19 × 34739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 50, 88, 245, 775, 8667, 3179, 45343, 85235, 375474, 853323, 2214157, 812413, 19080024, 32660986, 73847059, 448068088, 1427413139, 2136903560

Basic calculations (n = 21781353)

Multiplication

n×y
n×2 43562706
n×3 65344059
n×4 87125412
n×5 108906765

Division

n÷y
n÷2 10890676.5
n÷3 7260451
n÷3 5445338.25
n÷5 4356270.6

Exponentiation

ny
n2 474427338510609
n3 1.033366933295E+22
n4 2.2508129952626E+29
n5 4.9025752386802E+36

Nth Root

y√n
2√n 4667.0497104702
3√n 279.27257184299
4√n 68.315808642438
5√n 29.350599118163

Divisors of 21781353

1, 3, 11, 19, 33, 57, 209, 627, 34739, 104217, 382129, 660041, 1146387, 1980123, 7260451, 21781353

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 -21781352
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 21781353 can be divided by 16 positive divisors. The sum of these divisors (counting 21781353) is 1, the average is 0.0625.

Base conversion 21781353

Base System Value
2 Binary 1010011000101101101101001
3 Ternary 1111222121101210
4 Quaternary 1103011231221
5 Quinary 21034000403
6 Senary 2054503333
8 Octal 123055551
10 Decimal 21781353
12 Duodecimal 7364b49
16 Hexadecimal 14c5b69
20 Vigesimal 6g2d7d
36 Base36 cyull

Cryptographic Hash Functions

md5 9c90b6f4825a033b01469c2f1d46eaa1
sha1 bcacba417982c437035194d578adbe8ff40bd3d1
sha256 79b8adaa10acfaddbdfd2d617807527a8e2258a14e0119f31d1e88c45c943548
sha512 eac9fcc9615379cf9e93deaf834252f3402b1749121769c80a9646155d582183f54327bb78f8050a6500f2cdc789132a1afb6a5836c3cc5fd686174c30149992
ripemd-160 75d978aba4d50e20de7b3d0a4fe955fa927dd028

21781353 as geometric shapes

Circle

Radius = n
Diameter 43562706
Circumference 136856277.14009
Area 1.4904574413271E+15

Sphere

Radius = n
Volume 4.3285572881363E+22
Surface area 5.9618297653083E+15
Circumference 136856277.14009

Square

Length = n
Perimeter 87125412
Area 474427338510609
Diagonal 30803484.819436

Cube

Length = n
Surface area 2846564031063654
Volume 1.033366933295E+22
Space diagonal 37726410.053593

Equilateral Triangle

Length = n
Perimeter 65344059
Area 2.0543306370001E+14
Altitude 18863205.026796

Triangular Pyramid

Length = n
Surface area 2.0543306370001E+14
Volume 1.2178346099781E+21
Height 10267828.273145