21681188 (number)

21681188 is an even 8-digits composite number following 21681187 and preceding 21681189. In scientific notation, it is written as 2.1681188 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10202880 positive integers (up to 21681188) that are relatively prime to 21681188.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-one thousand one hundred eighty-eight

Notation

Scientific notation 2.1681188 × 10^7
Engineering notation 2.1681188 × 10^6

Prime Factorization of 21681188

Prime Factorization 2 × 2 × 17 × 318841

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10840594
Product of the distinct prime numbers

The prime factorization of 21681188 is 2 × 2 × 17 × 318841. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 10, 59, 618, 817, 3037, 9707, 66333, 41533, 250673, 790205, 1008895, 2349803, 97474995, 16247157, 946848192, 19227487, 6798217823, 3445501431

Basic calculations (n = 21681188)

Multiplication

n×y
n×2 43362376
n×3 65043564
n×4 86724752
n×5 108405940

Division

n÷y
n÷2 10840594
n÷3 7227062.6666667
n÷3 5420297
n÷5 4336237.6

Exponentiation

ny
n2 470073913091344
n3 1.0191760883629E+22
n4 2.2096948376901E+29
n5 4.7908809198588E+36

Nth Root

y√n
2√n 4656.3062614051
3√n 278.84382089892
4√n 68.237132570215
5√n 29.323554649681

Divisors of 21681188

1, 2, 4, 17, 34, 68, 318841, 637682, 1275364, 5420297, 10840594, 21681188

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 -21681187
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 21681188 can be divided by 12 positive divisors. The sum of these divisors (counting 21681188) is 1, the average is 0.083333333333333.

Base conversion 21681188

Base System Value
2 Binary 1010010101101010000100100
3 Ternary 1111210111222222
4 Quaternary 1102231100210
5 Quinary 21022244223
6 Senary 2052411512
8 Octal 122552044
10 Decimal 21681188
12 Duodecimal 7316b98
16 Hexadecimal 14ad424
20 Vigesimal 6fa2j8
36 Base36 cwpb8

Cryptographic Hash Functions

md5 404e1668cc3b4b57497eca821029bcd6
sha1 38b1fe2ef11d346a2c98942436da23c2a7e41d24
sha256 3dc9ca80a4ec2b21c8ab3e958aed4fd425fa7a32198f16df366f32b450feda48
sha512 3d5840278c159bccda6a6999d4e81e3dd597a59664faa5ee71819e47bd960aa2ecd0145885ab1237c22df4c308baedbc6d5e0e80f7bbc337cd07da066d49e917
ripemd-160 b749cc155587863aa87f3d3e267b24c0ec6b19f0

21681188 as geometric shapes

Circle

Radius = n
Diameter 43362376
Circumference 136226921.8838
Area 1.476780752012E+15

Sphere

Radius = n
Volume 4.2691148158871E+22
Surface area 5.9071230080479E+15
Circumference 136226921.8838

Square

Length = n
Perimeter 86724752
Area 470073913091344
Diagonal 30661830.117961

Cube

Length = n
Surface area 2820443478548064
Volume 1.0191760883629E+22
Space diagonal 37552919.184453

Equilateral Triangle

Length = n
Perimeter 65043564
Area 2.0354797519673E+14
Altitude 18776459.592226

Triangular Pyramid

Length = n
Surface area 2.0354797519673E+14
Volume 1.201110538841E+21
Height 10220610.03932