21461644 (number)

21461644 is an even 8-digits composite number following 21461643 and preceding 21461645. In scientific notation, it is written as 2.1461644 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10481184 positive integers (up to 21461644) that are relatively prime to 21461644.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1461644 × 10^7
Engineering notation 2.1461644 × 10^6

Prime Factorization of 21461644

Prime Factorization 2 × 2 × 43 × 124777

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10730822
Product of the distinct prime numbers

The prime factorization of 21461644 is 2 × 2 × 43 × 124777. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 18, 96, 585, 817, 1633, 1305, 18175, 61549, 467994, 215648, 840152, 769471, 91183580, 7292662, 269323594, 206820011, 7554630646, 5987599254

Basic calculations (n = 21461644)

Multiplication

n×y
n×2 42923288
n×3 64384932
n×4 85846576
n×5 107308220

Division

n÷y
n÷2 10730822
n÷3 7153881.3333333
n÷3 5365411
n÷5 4292328.8

Exponentiation

ny
n2 460602163182736
n3 9.8852796518578E+21
n4 2.1215435272862E+29
n5 4.553181191312E+36

Nth Root

y√n
2√n 4632.6713675805
3√n 277.89943397658
4√n 68.063730191494
5√n 29.263926498477

Divisors of 21461644

1, 2, 4, 43, 86, 172, 124777, 249554, 499108, 5365411, 10730822, 21461644

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21461643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21461644 can be divided by 12 positive divisors. The sum of these divisors (counting 21461644) is 1, the average is 0.083333333333333.

Base conversion 21461644

Base System Value
2 Binary 1010001110111101010001100
3 Ternary 1111101100211201
4 Quaternary 1101313222030
5 Quinary 20443233034
6 Senary 2043555244
8 Octal 121675214
10 Decimal 21461644
12 Duodecimal 722bb24
16 Hexadecimal 1477a8c
20 Vigesimal 6e2e24
36 Base36 crzws

Cryptographic Hash Functions

md5 5cdc74064c123223b57f49e3ea7c2b3f
sha1 7b302c7ebad61b4e8b19b7e01b69885953bd8af6
sha256 f8b2e7409976543bc1f2737acdbef6f8a65dda59d1602b5ff8a2af970cdb6949
sha512 c06ec9d79117e16f5c3d51001baee367b45d9035553ba82136a7a4c179b3e9fdb59f37f54711deea61601bb0fec02129806ca0e8ae82b56e3017c2db4d85aa03
ripemd-160 8e5a2e4907617c60ffb7139db68423a810b6c923

21461644 as geometric shapes

Circle

Radius = n
Diameter 42923288
Circumference 134847486.24872
Area 1.4470243720825E+15

Sphere

Radius = n
Volume 4.1407362577276E+22
Surface area 5.7880974883298E+15
Circumference 134847486.24872

Square

Length = n
Perimeter 85846576
Area 460602163182736
Diagonal 30351348.015623

Cube

Length = n
Surface area 2763612979096416
Volume 9.8852796518578E+21
Space diagonal 37172657.821956

Equilateral Triangle

Length = n
Perimeter 64384932
Area 1.9944658717716E+14
Altitude 18586328.910978

Triangular Pyramid

Length = n
Surface area 1.9944658717716E+14
Volume 1.1649913792923E+21
Height 10117116.005208