21108285 (number)

21108285 is an odd 8-digits composite number following 21108284 and preceding 21108286. In scientific notation, it is written as 2.1108285 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 10234080 positive integers (up to 21108285) that are relatively prime to 21108285.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred eight thousand two hundred eighty-five

Notation

Scientific notation 2.1108285 × 10^7
Engineering notation 2.1108285 × 10^6

Prime Factorization of 21108285

Prime Factorization 495 × 42643

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21108285
Product of the distinct prime numbers

The prime factorization of 21108285 is 495 × 42643. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21108285)

Multiplication

n×y
n×2 42216570
n×3 63324855
n×4 84433140
n×5 105541425

Division

n÷y
n÷2 10554142.5
n÷3 7036095
n÷3 5277071.25
n÷5 4221657

Exponentiation

ny
n2 445559695641225
n3 9.4050010401082E+21
n4 1.985234423799E+29
n5 4.190489400936E+36

Nth Root

y√n
2√n 4594.3753655965
3√n 276.36581140934
4√n 67.781821793136
5√n 29.166921304031

Divisors of 21108285

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21108284
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21108285 can be divided by 4 positive divisors. The sum of these divisors (counting 21108285) is 1, the average is 0.25.

Base conversion 21108285

Base System Value
2 Binary 1010000100001011000111101
3 Ternary 1110201102010100
4 Quaternary 1100201120331
5 Quinary 20400431120
6 Senary 2032231313
8 Octal 120413075
10 Decimal 21108285
12 Duodecimal 709b539
16 Hexadecimal 142163d
20 Vigesimal 6biae5
36 Base36 ckf99

Cryptographic Hash Functions

md5 f94f9b4aa60048366402658f889a1e9d
sha1 1b6bc6ee2dd9681b151141656160f708574b5153
sha256 aa17e2eca26719935e0c8bb405f6edbfcd75d54e72583ee014ca2ba6a2cb702f
sha512 cfc181f9a7ff05de4f5be983b72f0c6568e7e77048e5941bea9dc961983773617a9fcfe84ef2b23a135326f058a799f9b2ac5ac62eab0997d4578caf2e6223a1
ripemd-160 3c8fe74c3545e43d28e4ffe86cb0d8908ade76c7

21108285 as geometric shapes

Circle

Radius = n
Diameter 42216570
Circumference 132627266.17176
Area 1.3997670665622E+15

Sphere

Radius = n
Volume 3.9395576232811E+22
Surface area 5.5990682662487E+15
Circumference 132627266.17176

Square

Length = n
Perimeter 84433140
Area 445559695641225
Diagonal 29851622.925437

Cube

Length = n
Surface area 2673358173847350
Volume 9.4050010401082E+21
Space diagonal 36560622.080644

Equilateral Triangle

Length = n
Perimeter 63324855
Area 1.9293300766388E+14
Altitude 18280311.040322

Triangular Pyramid

Length = n
Surface area 1.9293300766388E+14
Volume 1.1083900020878E+21
Height 9950540.9751455