21803661 (number)

21803661 is an odd 8-digits composite number following 21803660 and preceding 21803662. In scientific notation, it is written as 2.1803661 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13209480 positive integers (up to 21803661) that are relatively prime to 21803661.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred three thousand six hundred sixty-one

Notation

Scientific notation 2.1803661 × 10^7
Engineering notation 2.1803661 × 10^6

Prime Factorization of 21803661

Prime Factorization 9 × 99 × 9 × 2719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2422629
Product of the distinct prime numbers

The prime factorization of 21803661 is 9 × 99 × 9 × 2719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21803661)

Multiplication

n×y
n×2 43607322
n×3 65410983
n×4 87214644
n×5 109018305

Division

n÷y
n÷2 10901830.5
n÷3 7267887
n÷3 5450915.25
n÷5 4360732.2

Exponentiation

ny
n2 475399633002921
n3 1.036545243752E+22
n4 2.2600481105931E+29
n5 4.9277322847063E+36

Nth Root

y√n
2√n 4669.4390455386
3√n 279.36788099512
4√n 68.333293829132
5√n 29.356608708991

Divisors of 21803661

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21803660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21803661 can be divided by 12 positive divisors. The sum of these divisors (counting 21803661) is 1, the average is 0.083333333333333.

Base conversion 21803661

Base System Value
2 Binary 1010011001011001010001101
3 Ternary 1112000202000000
4 Quaternary 1103023022031
5 Quinary 21040204121
6 Senary 2055154513
8 Octal 123131215
10 Decimal 21803661
12 Duodecimal 7375a39
16 Hexadecimal 14cb28d
20 Vigesimal 6g5931
36 Base36 czbt9

Cryptographic Hash Functions

md5 203cf0f1f1a651a945685df010c6a990
sha1 bdbef4b7e83025115f793af100583406d3a08e88
sha256 e7f940aa8c14ec90d3e3a77ba0fd0b1eeecb156b17468c2ae4c22ba3069b598b
sha512 abbe24790b4e7f67cb0cba2c10f58bb853326fab313fc142bfa1a8f9fb190b87638d521a17c875d22c95763f43a5a5241b929febdaa564b1592e93255475b55e
ripemd-160 ddad10d2caf18ade0ab4332ec156850f9c90cc1b

21803661 as geometric shapes

Circle

Radius = n
Diameter 43607322
Circumference 136996442.43792
Area 1.4935119945613E+15

Sphere

Radius = n
Volume 4.3418705638463E+22
Surface area 5.974047978245E+15
Circumference 136996442.43792

Square

Length = n
Perimeter 87214644
Area 475399633002921
Diagonal 30835033.095585

Cube

Length = n
Surface area 2852397798017526
Volume 1.036545243752E+22
Space diagonal 37765048.643008

Equilateral Triangle

Length = n
Perimeter 65410983
Area 2.0585407956516E+14
Altitude 18882524.321504

Triangular Pyramid

Length = n
Surface area 2.0585407956516E+14
Volume 1.2215802847728E+21
Height 10278344.365195