21721799 (number)

21721799 is an odd 8-digits composite number following 21721798 and preceding 21721800. In scientific notation, it is written as 2.1721799 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 19746980 positive integers (up to 21721799) that are relatively prime to 21721799.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred twenty-one thousand seven hundred ninety-nine

Notation

Scientific notation 2.1721799 × 10^7
Engineering notation 2.1721799 × 10^6

Prime Factorization of 21721799

Prime Factorization 121 × 179519

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21721799
Product of the distinct prime numbers

The prime factorization of 21721799 is 121 × 179519. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21721799)

Multiplication

n×y
n×2 43443598
n×3 65165397
n×4 86887196
n×5 108608995

Division

n÷y
n÷2 10860899.5
n÷3 7240599.6666667
n÷3 5430449.75
n÷5 4344359.8

Exponentiation

ny
n2 471836551796401
n3 1.0249138738975E+22
n4 2.2262973161112E+29
n5 4.8359182814806E+36

Nth Root

y√n
2√n 4660.6650812947
3√n 279.01781295381
4√n 68.269063867133
5√n 29.334531609439

Divisors of 21721799

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 -21721798
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 21721799 can be divided by 4 positive divisors. The sum of these divisors (counting 21721799) is 1, the average is 0.25.

Base conversion 21721799

Base System Value
2 Binary 1010010110111001011000111
3 Ternary 1111212120201002
4 Quaternary 1102313023013
5 Quinary 21030044144
6 Senary 2053323515
8 Octal 122671307
10 Decimal 21721799
12 Duodecimal 733659b
16 Hexadecimal 14b72c7
20 Vigesimal 6ff49j
36 Base36 cxknb

Cryptographic Hash Functions

md5 72bee9e4c71b3356ee815a060d7413b2
sha1 c0bf95f81e3421e212df9577a45de4370fb13f53
sha256 405eaa7cde0dae7242da0d3a06dc6b7be97aab0251436d8306864b519129046a
sha512 ed749c30bf6e5d946d65f2a28ad62c230a7d6380e4a4ec277bfda4619443ca0bcbec8961667bbe3cbb7a96b3f3f90f8cb18f3f226369321441bcc488c3d880cb
ripemd-160 4a23decf8bc4bad2917d8e9753df693e68cc50b0

21721799 as geometric shapes

Circle

Radius = n
Diameter 43443598
Circumference 136482088.32231
Area 1.4823182448187E+15

Sphere

Radius = n
Volume 4.2931491957313E+22
Surface area 5.9292729792749E+15
Circumference 136482088.32231

Square

Length = n
Perimeter 86887196
Area 471836551796401
Diagonal 30719262.744942

Cube

Length = n
Surface area 2831019310778406
Volume 1.0249138738975E+22
Space diagonal 37623259.499799

Equilateral Triangle

Length = n
Perimeter 65165397
Area 2.0431122014487E+14
Altitude 18811629.749899

Triangular Pyramid

Length = n
Surface area 2.0431122014487E+14
Volume 1.2078725839418E+21
Height 10239754.248314