21541421 (number)

21541421 is an odd 8-digits composite number following 21541420 and preceding 21541422. In scientific notation, it is written as 2.1541421 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 18552240 positive integers (up to 21541421) that are relatively prime to 21541421.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-one thousand four hundred twenty-one

Notation

Scientific notation 2.1541421 × 10^7
Engineering notation 2.1541421 × 10^6

Prime Factorization of 21541421

Prime Factorization 11 × 19 × 103069

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21541421
Product of the distinct prime numbers

The prime factorization of 21541421 is 11 × 19 × 103069. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21541421)

Multiplication

n×y
n×2 43082842
n×3 64624263
n×4 86165684
n×5 107707105

Division

n÷y
n÷2 10770710.5
n÷3 7180473.6666667
n÷3 5385355.25
n÷5 4308284.2

Exponentiation

ny
n2 464032818699241
n3 9.995926305417E+21
n4 2.1532645682996E+29
n5 4.6384378590126E+36

Nth Root

y√n
2√n 4641.2736398536
3√n 278.24334316518
4√n 68.12689366068
5√n 29.285650134777

Divisors of 21541421

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 -21541420
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 21541421 can be divided by 8 positive divisors. The sum of these divisors (counting 21541421) is 1, the average is 0.125.

Base conversion 21541421

Base System Value
2 Binary 1010010001011001000101101
3 Ternary 1111112102021102
4 Quaternary 1102023020231
5 Quinary 21003311141
6 Senary 2045412445
8 Octal 122131055
10 Decimal 21541421
12 Duodecimal 726a125
16 Hexadecimal 148b22d
20 Vigesimal 6ecdb1
36 Base36 ctpgt

Cryptographic Hash Functions

md5 62d119c897563e3b59946327352b28a7
sha1 2f6f19851d2c7de691963bc786d6425a8c397dd7
sha256 a6a3fac21410a636136d8b0a1def331fefa9e245b4129b443ffd874c64618d35
sha512 2a6cb3b1d29b516d0ba179e661735ac708108a97af700d41d3a55f83d0ae7f1959c72b37ac8a4e8ae9005c0057cc31b2009e37d12f75244a7fcdeb92a8b506f3
ripemd-160 158d4509fee7b51db27333a2ea2bbffd2254828f

21541421 as geometric shapes

Circle

Radius = n
Diameter 43082842
Circumference 135348739.92297
Area 1.4578020942501E+15

Sphere

Radius = n
Volume 4.1870838195897E+22
Surface area 5.8312083770004E+15
Circumference 135348739.92297

Square

Length = n
Perimeter 86165684
Area 464032818699241
Diagonal 30464169.730989

Cube

Length = n
Surface area 2784196912195446
Volume 9.995926305417E+21
Space diagonal 37310835.639231

Equilateral Triangle

Length = n
Perimeter 64624263
Area 2.0093210459162E+14
Altitude 18655417.819616

Triangular Pyramid

Length = n
Surface area 2.0093210459162E+14
Volume 1.1780312124669E+21
Height 10154723.243663