21081448 (number)

21081448 is an even 8-digits composite number following 21081447 and preceding 21081449. In scientific notation, it is written as 2.1081448 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 10515456 positive integers (up to 21081448) that are relatively prime to 21081448.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand four hundred forty-eight

Notation

Scientific notation 2.1081448 × 10^7
Engineering notation 2.1081448 × 10^6

Prime Factorization of 21081448

Prime Factorization 2 × 2 × 2 × 449 × 5869

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5270362
Product of the distinct prime numbers

The prime factorization of 21081448 is 2 × 2 × 2 × 449 × 5869. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 88, 17, 577, 391, 6179, 9518, 74912, 76216, 650408, 267115, 5848880, 1424415, 50512807, 13782914, 500901086, 626799645, 5102140816, 1475443895

Basic calculations (n = 21081448)

Multiplication

n×y
n×2 42162896
n×3 63244344
n×4 84325792
n×5 105407240

Division

n÷y
n÷2 10540724
n÷3 7027149.3333333
n÷3 5270362
n÷5 4216289.6

Exponentiation

ny
n2 444427449776704
n3 9.3691741722402E+21
n4 1.9751575811502E+29
n5 4.1639181838825E+36

Nth Root

y√n
2√n 4591.4538002685
3√n 276.24863822756
4√n 67.760267120699
5√n 29.15950098498

Divisors of 21081448

1, 2, 4, 8, 449, 898, 1796, 3592, 5869, 11738, 23476, 46952, 2635181, 5270362, 10540724, 21081448

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 -21081447
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 21081448 can be divided by 16 positive divisors. The sum of these divisors (counting 21081448) is 1, the average is 0.0625.

Base conversion 21081448

Base System Value
2 Binary 1010000011010110101101000
3 Ternary 1110200001022101
4 Quaternary 1100122311220
5 Quinary 20344101243
6 Senary 2031503144
8 Octal 120326550
10 Decimal 21081448
12 Duodecimal 7087ab4
16 Hexadecimal 141ad68
20 Vigesimal 6bf3c8
36 Base36 cjujs

Cryptographic Hash Functions

md5 09e185a1c7c248f5e275520117c6d1a6
sha1 99d3704e1325b67e53cba7ac2fbd12c04523106a
sha256 ee64196a02d366cea1b4142b14c3561f8c27b2d4e6b94e99ad0579ead9df2d06
sha512 9c136ea43e65e55f3ddafcbf258ccf3f81efbd019d36d02c0adf011c83e3c6298f21b9b869b073f6ad42dd987986a3d7ef793e8b392786fbf5a2b78b21495e6e
ripemd-160 1e07809e27efab59cd9089ae1719a5e29988501e

21081448 as geometric shapes

Circle

Radius = n
Diameter 42162896
Circumference 132458644.32767
Area 1.3962100112721E+15

Sphere

Radius = n
Volume 3.9245504999617E+22
Surface area 5.5848400450886E+15
Circumference 132458644.32767

Square

Length = n
Perimeter 84325792
Area 444427449776704
Diagonal 29813669.676063

Cube

Length = n
Surface area 2666564698660224
Volume 9.3691741722402E+21
Space diagonal 36514139.033121

Equilateral Triangle

Length = n
Perimeter 63244344
Area 1.9244273082288E+14
Altitude 18257069.516561

Triangular Pyramid

Length = n
Surface area 1.9244273082288E+14
Volume 1.1041677652182E+21
Height 9937889.8920211