21505853 (number)

21505853 is an odd 8-digits composite number following 21505852 and preceding 21505854. In scientific notation, it is written as 2.1505853 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 19863360 positive integers (up to 21505853) that are relatively prime to 21505853.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred five thousand eight hundred fifty-three

Notation

Scientific notation 2.1505853 × 10^7
Engineering notation 2.1505853 × 10^6

Prime Factorization of 21505853

Prime Factorization 41 × 361 × 1453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21505853
Product of the distinct prime numbers

The prime factorization of 21505853 is 41 × 361 × 1453. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21505853)

Multiplication

n×y
n×2 43011706
n×3 64517559
n×4 86023412
n×5 107529265

Division

n÷y
n÷2 10752926.5
n÷3 7168617.6666667
n÷3 5376463.25
n÷5 4301170.6

Exponentiation

ny
n2 462501713257609
n3 9.9464938575663E+21
n4 2.1390783476622E+29
n5 4.6002704500307E+36

Nth Root

y√n
2√n 4637.4403500207
3√n 278.09011880864
4√n 68.098754394047
5√n 29.275972772821

Divisors of 21505853

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 -21505852
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 21505853 can be divided by 8 positive divisors. The sum of these divisors (counting 21505853) is 1, the average is 0.125.

Base conversion 21505853

Base System Value
2 Binary 1010010000010011100111101
3 Ternary 1111110121111002
4 Quaternary 1102002130331
5 Quinary 21001141403
6 Senary 2044540045
8 Octal 122023475
10 Decimal 21505853
12 Duodecimal 7251625
16 Hexadecimal 148273d
20 Vigesimal 6e84cd
36 Base36 csy0t

Cryptographic Hash Functions

md5 aa2b3f717cf0de5594d0fa6db7a04939
sha1 df55f2c6d85bf89bb71e6f4c5b4a9dfe457920e8
sha256 a366de6675ec7586b3ab27e25702aba36290b5f36083c9b60e1ce9f6a897fd01
sha512 8438c972cb823b084433cb888f091ff4773e0af1c0fb1cb677f3e6fd6bf971194c8d7db37d0ec727399683be57f56ecfa5f23f0a46567c988569d2852aa3eef9
ripemd-160 4d1bd7b159e9bee07643eb1bab518e4f0c057b79

21505853 as geometric shapes

Circle

Radius = n
Diameter 43011706
Circumference 135125259.58796
Area 1.4529919846428E+15

Sphere

Radius = n
Volume 4.1663776042542E+22
Surface area 5.8119679385712E+15
Circumference 135125259.58796

Square

Length = n
Perimeter 86023412
Area 462501713257609
Diagonal 30413868.983002

Cube

Length = n
Surface area 2775010279545654
Volume 9.9464938575663E+21
Space diagonal 37249230.056108

Equilateral Triangle

Length = n
Perimeter 64517559
Area 2.0026911648746E+14
Altitude 18624615.028054

Triangular Pyramid

Length = n
Surface area 2.0026911648746E+14
Volume 1.1722055426192E+21
Height 10137956.327667