21909542 (number)

21909542 is an even 8-digits composite number following 21909541 and preceding 21909543. In scientific notation, it is written as 2.1909542 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10848312 positive integers (up to 21909542) that are relatively prime to 21909542.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand five hundred forty-two

Notation

Scientific notation 2.1909542 × 10^7
Engineering notation 2.1909542 × 10^6

Prime Factorization of 21909542

Prime Factorization 2 × 103 × 106357

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21909542
Product of the distinct prime numbers

The prime factorization of 21909542 is 2 × 103 × 106357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909542)

Multiplication

n×y
n×2 43819084
n×3 65728626
n×4 87638168
n×5 109547710

Division

n÷y
n÷2 10954771
n÷3 7303180.6666667
n÷3 5477385.5
n÷5 4381908.4

Exponentiation

ny
n2 480028030649764
n3 1.0517194298698E+22
n4 2.3042691020949E+29
n5 5.0485480671651E+36

Nth Root

y√n
2√n 4680.7629719951
3√n 279.81936478514
4√n 68.416101701245
5√n 29.385065277869

Divisors of 21909542

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909541
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909542 can be divided by 8 positive divisors. The sum of these divisors (counting 21909542) is 1, the average is 0.125.

Base conversion 21909542

Base System Value
2 Binary 1010011100101000000100110
3 Ternary 1112020010020112
4 Quaternary 1103211000212
5 Quinary 21102101132
6 Senary 2101333022
8 Octal 123450046
10 Decimal 21909542
12 Duodecimal 7407172
16 Hexadecimal 14e5026
20 Vigesimal 6gidh2
36 Base36 d1lie

Cryptographic Hash Functions

md5 0908993968e1ae0197cc7bb6405cc886
sha1 fe6325b1ec7c2189f186c74aa1da4829c3a71e6b
sha256 3d392ee2f43a8abdd9ddfd8010699c3a80bc7b25efc7fdaa00fbd3a336f941b9
sha512 4d9e8c742f1bbdb5e7a2923f3440bfa4171029f52534341bc9928acc2a937fbe401965b6beb9dbdfe2398b2060af7a2b5b674ef5c62681b224b4540ffd3bb443
ripemd-160 4babea2d1ed81b483bff25ac88bd5c95363e9240

21909542 as geometric shapes

Circle

Radius = n
Diameter 43819084
Circumference 137661712.38143
Area 1.5080525346065E+15

Sphere

Radius = n
Volume 4.4054320460223E+22
Surface area 6.0322101384259E+15
Circumference 137661712.38143

Square

Length = n
Perimeter 87638168
Area 480028030649764
Diagonal 30984771.441783

Cube

Length = n
Surface area 2880168183898584
Volume 1.0517194298698E+22
Space diagonal 37948439.914564

Equilateral Triangle

Length = n
Perimeter 65728626
Area 2.0785823453566E+14
Altitude 18974219.957282

Triangular Pyramid

Length = n
Surface area 2.0785823453566E+14
Volume 1.239463234611E+21
Height 10328257.147261