21461621 (number)

21461621 is an odd 8-digits composite number following 21461620 and preceding 21461622. In scientific notation, it is written as 2.1461621 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20332044 positive integers (up to 21461621) that are relatively prime to 21461621.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand six hundred twenty-one

Notation

Scientific notation 2.1461621 × 10^7
Engineering notation 2.1461621 × 10^6

Prime Factorization of 21461621

Prime Factorization 19 × 1129559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21461621
Product of the distinct prime numbers

The prime factorization of 21461621 is 19 × 1129559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21461621)

Multiplication

n×y
n×2 42923242
n×3 64384863
n×4 85846484
n×5 107308105

Division

n÷y
n÷2 10730810.5
n÷3 7153873.6666667
n÷3 5365405.25
n÷5 4292324.2

Exponentiation

ny
n2 460601175947641
n3 9.8852478703426E+21
n4 2.1215344328435E+29
n5 4.5531567936137E+36

Nth Root

y√n
2√n 4632.6688852108
3√n 277.89933470352
4√n 68.063711955864
5√n 29.263920226166

Divisors of 21461621

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 -21461620
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 21461621 can be divided by 4 positive divisors. The sum of these divisors (counting 21461621) is 1, the average is 0.25.

Base conversion 21461621

Base System Value
2 Binary 1010001110111101001110101
3 Ternary 1111101100210212
4 Quaternary 1101313221311
5 Quinary 20443232441
6 Senary 2043555205
8 Octal 121675165
10 Decimal 21461621
12 Duodecimal 722bb05
16 Hexadecimal 1477a75
20 Vigesimal 6e2e11
36 Base36 crzw5

Cryptographic Hash Functions

md5 f3e7e3ae0c2b0042065980a9b0b9e04c
sha1 6199f76401764c72ac380367a50278fc70eea8c7
sha256 3c6fba8c5a002937e27d86820992e8b2c1946e8705aa793fdf37d3420cc87549
sha512 77e4aaeac2e5b0f4f4730c10cab464d960fade7966d434e8b180ed26c91ed5464b9d60062d5dd1dc7bbb37813b60829cbd5d8e95cdeb55408207b3490f4f7631
ripemd-160 144ed644115bc507aa34f542d4e21b03d83b2853

21461621 as geometric shapes

Circle

Radius = n
Diameter 42923242
Circumference 134847341.73546
Area 1.4470212705919E+15

Sphere

Radius = n
Volume 4.1407229451177E+22
Surface area 5.7880850823677E+15
Circumference 134847341.73546

Square

Length = n
Perimeter 85846484
Area 460601175947641
Diagonal 30351315.488711

Cube

Length = n
Surface area 2763607055685846
Volume 9.8852478703426E+21
Space diagonal 37172617.984787

Equilateral Triangle

Length = n
Perimeter 64384863
Area 1.9944615969182E+14
Altitude 18586308.992394

Triangular Pyramid

Length = n
Surface area 1.9944615969182E+14
Volume 1.1649876338049E+21
Height 10117105.162904