21309621 (number)

21309621 is an odd 8-digits composite number following 21309620 and preceding 21309622. In scientific notation, it is written as 2.1309621 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 13374720 positive integers (up to 21309621) that are relatively prime to 21309621.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred nine thousand six hundred twenty-one

Notation

Scientific notation 2.1309621 × 10^7
Engineering notation 2.1309621 × 10^6

Prime Factorization of 21309621

Prime Factorization 3 × 173 × 19 × 2161

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21309621
Product of the distinct prime numbers

The prime factorization of 21309621 is 3 × 173 × 19 × 2161. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 6, 38, 765, 553, 8577, 8772, 31691, 87302, 263252, 630727, 8052984, 3222740, 34966848, 23005896, 534367926, 874975098, 6653524310, 7755461894

Basic calculations (n = 21309621)

Multiplication

n×y
n×2 42619242
n×3 63928863
n×4 85238484
n×5 106548105

Division

n÷y
n÷2 10654810.5
n÷3 7103207
n÷3 5327405.25
n÷5 4261924.2

Exponentiation

ny
n2 454099947163641
n3 9.6766977701772E+21
n4 2.0620676201402E+29
n5 4.394187946156E+36

Nth Root

y√n
2√n 4616.2345044419
3√n 277.24171405914
4√n 67.942876774846
5√n 29.222350476683

Divisors of 21309621

1, 3, 19, 57, 173, 519, 2161, 3287, 6483, 9861, 41059, 123177, 373853, 1121559, 7103207, 21309621

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 -21309620
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 21309621 can be divided by 16 positive divisors. The sum of these divisors (counting 21309621) is 1, the average is 0.0625.

Base conversion 21309621

Base System Value
2 Binary 1010001010010100010110101
3 Ternary 1111002122022020
4 Quaternary 1101102202311
5 Quinary 20423401441
6 Senary 2040423353
8 Octal 121224265
10 Decimal 21309621
12 Duodecimal 7177b59
16 Hexadecimal 14528b5
20 Vigesimal 6d3e11
36 Base36 coqlx

Cryptographic Hash Functions

md5 43fc55f0b829be0d8cc87fa9ed32ebaf
sha1 ab88b6d1b8cea1f2becc80ff8c67bd0df53587a7
sha256 014454dc3c67fd2b0d38279ae71fd7ca9e11358aded25fe833ef6a71d5b6847d
sha512 6d1be06d4d92e747c7abc9b4eb7c2d92151abe07bd00b079668711a6abe501661b6f637a504ebb5c43aba600215d7f4838e78b243cbd1acfaba30733e32ead23
ripemd-160 21a3aac38fed9f5d177aa6c802c1977e7542425c

21309621 as geometric shapes

Circle

Radius = n
Diameter 42619242
Circumference 133892297.56877
Area 1.4265970580048E+15

Sphere

Radius = n
Volume 4.0533656834397E+22
Surface area 5.7063882320192E+15
Circumference 133892297.56877

Square

Length = n
Perimeter 85238484
Area 454099947163641
Diagonal 30136355.027231

Cube

Length = n
Surface area 2724599682981846
Volume 9.6766977701772E+21
Space diagonal 36909346.262037

Equilateral Triangle

Length = n
Perimeter 63928863
Area 1.9663104505044E+14
Altitude 18454673.131018

Triangular Pyramid

Length = n
Surface area 1.9663104505044E+14
Volume 1.1404097687975E+21
Height 10045451.675744