21609901 (number)

21609901 is an odd 8-digits composite number following 21609900 and preceding 21609902. In scientific notation, it is written as 2.1609901 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20801088 positive integers (up to 21609901) that are relatively prime to 21609901.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred nine thousand nine hundred one

Notation

Scientific notation 2.1609901 × 10^7
Engineering notation 2.1609901 × 10^6

Prime Factorization of 21609901

Prime Factorization 29 × 397 × 1877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21609901
Product of the distinct prime numbers

The prime factorization of 21609901 is 29 × 397 × 1877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609901)

Multiplication

n×y
n×2 43219802
n×3 64829703
n×4 86439604
n×5 108049505

Division

n÷y
n÷2 10804950.5
n÷3 7203300.3333333
n÷3 5402475.25
n÷5 4321980.2

Exponentiation

ny
n2 466987821229801
n3 1.0091560584982E+22
n4 2.1807762517696E+29
n5 4.7126358903891E+36

Nth Root

y√n
2√n 4648.645071416
3√n 278.53787571214
4√n 68.18097294272
5√n 29.304246271134

Divisors of 21609901

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 -21609900
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 21609901 can be divided by 8 positive divisors. The sum of these divisors (counting 21609901) is 1, the average is 0.125.

Base conversion 21609901

Base System Value
2 Binary 1010010011011110110101101
3 Ternary 1111122220012201
4 Quaternary 1102123312231
5 Quinary 21013004101
6 Senary 2051101501
8 Octal 122336655
10 Decimal 21609901
12 Duodecimal 72a1891
16 Hexadecimal 149bdad
20 Vigesimal 6f14f1
36 Base36 cv6b1

Cryptographic Hash Functions

md5 8d1a0e85e84c223e7c2f4d45b75a23ec
sha1 07e82cae03dfbd133b2e6264f7f1f92717a9b978
sha256 693f39b75bd8ba9cda783f8e79d34952b620a37ba17b1788f434d9e51918843f
sha512 d65bf0451b7bd0d8603a8c41d69fb4451bb891025aa8adc82e7e12827a48384f76ffc5b3a40dfe0023005285e09484cc0dc77165749ea227dc0497a8e7cd196d
ripemd-160 f4af03de4c9610db302a56a138ea443d8f656607

21609901 as geometric shapes

Circle

Radius = n
Diameter 43219802
Circumference 135779012.45281
Area 1.4670855084914E+15

Sphere

Radius = n
Volume 4.227143012938E+22
Surface area 5.8683420339658E+15
Circumference 135779012.45281

Square

Length = n
Perimeter 86439604
Area 466987821229801
Diagonal 30561015.07574

Cube

Length = n
Surface area 2801926927378806
Volume 1.0091560584982E+22
Space diagonal 37429446.478533

Equilateral Triangle

Length = n
Perimeter 64829703
Area 2.0221165822148E+14
Altitude 18714723.239267

Triangular Pyramid

Length = n
Surface area 2.0221165822148E+14
Volume 1.1893018203992E+21
Height 10187005.025247