13721821 (number)

13721821 is an odd 8-digits composite number following 13721820 and preceding 13721822. In scientific notation, it is written as 1.3721821 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 13673052 positive integers (up to 13721821) that are relatively prime to 13721821.

Interesting facts

Basic properties

Name

Name thirteen million seven hundred twenty-one thousand eight hundred twenty-one

Notation

Scientific notation 1.3721821 × 10^7
Engineering notation 1.3721821 × 10^6

Prime Factorization of 13721821

Prime Factorization 283 × 48487

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13721821
Product of the distinct prime numbers

The prime factorization of 13721821 is 283 × 48487. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13721821)

Multiplication

n×y
n×2 27443642
n×3 41165463
n×4 54887284
n×5 68609105

Division

n÷y
n÷2 6860910.5
n÷3 4573940.3333333
n÷3 3430455.25
n÷5 2744364.2

Exponentiation

ny
n2 188288371556041
n3 2.5836593308735E+21
n4 3.5452510863226E+28
n5 4.8647300806574E+35

Nth Root

y√n
2√n 3704.2976392293
3√n 239.40722344782
4√n 60.862941427681
5√n 26.759768372341

Divisors of 13721821

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13721820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13721821 can be divided by 4 positive divisors. The sum of these divisors (counting 13721821) is 1, the average is 0.25.

Base conversion 13721821

Base System Value
2 Binary 110100010110000011011101
3 Ternary 221211010210121
4 Quaternary 310112003131
5 Quinary 12003044241
6 Senary 1210034541
8 Octal 64260335
10 Decimal 13721821
12 Duodecimal 4718a51
16 Hexadecimal d160dd
20 Vigesimal 45f4b1
36 Base36 863tp

Cryptographic Hash Functions

md5 ca068d8e597d534a36dc68343ecc4de6
sha1 8ebb3d4f3df2f8216d5a2b1fdb4afb84c3ddeb7b
sha256 ce784f1a945891d34b597282fd4dc6080d397c17e387dd3e6eacbd450c9edd16
sha512 3324e0cd0676371f234e7eeb84630dfd1296bce9f816aa833fd50b31f3330baebc8d9757b27bb4d3bb208e5ae2c2d8cb6f5b3830fc62342542bc5cc92c6149e8
ripemd-160 921a68ba69df7395ec10569f2684737a934af2dd

13721821 as geometric shapes

Circle

Radius = n
Diameter 27443642
Circumference 86216744.094948
Area 5.9152536483684E+14

Sphere

Radius = n
Volume 1.0822406897668E+22
Surface area 2.3661014593474E+15
Circumference 86216744.094948

Square

Length = n
Perimeter 54887284
Area 188288371556041
Diagonal 19405585.358656

Cube

Length = n
Surface area 1129730229336246
Volume 2.5836593308735E+21
Space diagonal 23766891.144366

Equilateral Triangle

Length = n
Perimeter 41165463
Area 81531256502367
Altitude 11883445.572183

Triangular Pyramid

Length = n
Surface area 81531256502367
Volume 3.0448717218942E+20
Height 6468528.4528853