21102509 (number)

21102509 is an odd 8-digits composite number following 21102508 and preceding 21102510. In scientific notation, it is written as 2.1102509 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20908800 positive integers (up to 21102509) that are relatively prime to 21102509.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred two thousand five hundred nine

Notation

Scientific notation 2.1102509 × 10^7
Engineering notation 2.1102509 × 10^6

Prime Factorization of 21102509

Prime Factorization 109 × 193601

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21102509
Product of the distinct prime numbers

The prime factorization of 21102509 is 109 × 193601. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21102509)

Multiplication

n×y
n×2 42205018
n×3 63307527
n×4 84410036
n×5 105512545

Division

n÷y
n÷2 10551254.5
n÷3 7034169.6666667
n÷3 5275627.25
n÷5 4220501.8

Exponentiation

ny
n2 445315886095081
n3 9.3972824941644E+21
n4 1.9830623840865E+29
n5 4.1847591807746E+36

Nth Root

y√n
2√n 4593.74672789
3√n 276.34060117318
4√n 67.777184419906
5√n 29.165324901669

Divisors of 21102509

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 -21102508
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 21102509 can be divided by 4 positive divisors. The sum of these divisors (counting 21102509) is 1, the average is 0.25.

Base conversion 21102509

Base System Value
2 Binary 1010000011111111110101101
3 Ternary 1110201010012102
4 Quaternary 1100133332231
5 Quinary 20400240014
6 Senary 2032144445
8 Octal 120377655
10 Decimal 21102509
12 Duodecimal 7098125
16 Hexadecimal 141ffad
20 Vigesimal 6bhg59
36 Base36 ckast

Cryptographic Hash Functions

md5 458f1fc867204d4bb0ebf8de1065ef3e
sha1 534612dac0af7e863fcb605279e6a66a762aab7f
sha256 7e964b042d733eb62edbf4263d57b003aea447f3d433ade93bd4bd8a1624970a
sha512 1295bef4f5bfb194d06b3c75e84430b44a089f6c9ed56bfa534322dbd2eab0b97350115cc95a632e87b9a7b6140d96e85f3118dfd5ce7f7d141b5a56a71d0faf
ripemd-160 e1b1f522fbef47dc22bc74c1cc12560a6170e8e6

21102509 as geometric shapes

Circle

Radius = n
Diameter 42205018
Circumference 132590974.49342
Area 1.3990011162831E+15

Sphere

Radius = n
Volume 3.9363244863167E+22
Surface area 5.5960044651325E+15
Circumference 132590974.49342

Square

Length = n
Perimeter 84410036
Area 445315886095081
Diagonal 29843454.4279

Cube

Length = n
Surface area 2671895316570486
Volume 9.3972824941644E+21
Space diagonal 36550617.75518

Equilateral Triangle

Length = n
Perimeter 63307527
Area 1.9282743503356E+14
Altitude 18275308.87759

Triangular Pyramid

Length = n
Surface area 1.9282743503356E+14
Volume 1.1074803627249E+21
Height 9947818.1426334