21271818 (number)

21271818 is an even 8-digits composite number following 21271817 and preceding 21271819. In scientific notation, it is written as 2.1271818 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6898896 positive integers (up to 21271818) that are relatively prime to 21271818.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-one thousand eight hundred eighteen

Notation

Scientific notation 2.1271818 × 10^7
Engineering notation 2.1271818 × 10^6

Prime Factorization of 21271818

Prime Factorization 2 × 3 × 37 × 95819

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21271818
Product of the distinct prime numbers

The prime factorization of 21271818 is 2 × 3 × 37 × 95819. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 84, 21, 467, 645, 7610, 4094, 18928, 40815, 588337, 593345, 2266679, 3622410, 9796264, 91748778, 814723036, 954336131, 1730064796, 1318146034

Basic calculations (n = 21271818)

Multiplication

n×y
n×2 42543636
n×3 63815454
n×4 85087272
n×5 106359090

Division

n÷y
n÷2 10635909
n÷3 7090606
n÷3 5317954.5
n÷5 4254363.6

Exponentiation

ny
n2 452490241025124
n3 9.6252900538626E+21
n4 2.0474741822297E+29
n5 4.355349816409E+36

Nth Root

y√n
2√n 4612.1381158851
3√n 277.07767591416
4√n 67.9127242561
5√n 29.211975095209

Divisors of 21271818

1, 2, 3, 6, 37, 74, 111, 222, 95819, 191638, 287457, 574914, 3545303, 7090606, 10635909, 21271818

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21271817
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21271818 can be divided by 16 positive divisors. The sum of these divisors (counting 21271818) is 1, the average is 0.0625.

Base conversion 21271818

Base System Value
2 Binary 1010001001001010100001010
3 Ternary 1111000201110010
4 Quaternary 1101021110022
5 Quinary 20421144233
6 Senary 2035532350
8 Octal 121112412
10 Decimal 21271818
12 Duodecimal 715a0b6
16 Hexadecimal 144950a
20 Vigesimal 6cijai
36 Base36 cnxfu

Cryptographic Hash Functions

md5 ccc90a71597942875a5078263f780d5e
sha1 597f1b89ec46eaac1094e48ebc904a4aa77b696a
sha256 eb84ab275a80d8d306c753591250c9e08aed458b441a03696f4044b21d739d04
sha512 971cb3128b2dc6600566073c2115a29304218eab005594daf9bb5c5235ca02290a70508639a2ae5cbe3c3ceb9ea8dbe96f41ba4b1ed5ab0df994893edbcb1077
ripemd-160 632ce92771d495d166de48f75649e9e8cdb03273

21271818 as geometric shapes

Circle

Radius = n
Diameter 42543636
Circumference 133654774.3146
Area 1.4215400170256E+15

Sphere

Radius = n
Volume 4.0318320695847E+22
Surface area 5.6861600681024E+15
Circumference 133654774.3146

Square

Length = n
Perimeter 85087272
Area 452490241025124
Diagonal 30082893.511932

Cube

Length = n
Surface area 2714941446150744
Volume 9.6252900538626E+21
Space diagonal 36843869.545358

Equilateral Triangle

Length = n
Perimeter 63815454
Area 1.9593402184615E+14
Altitude 18421934.772679

Triangular Pyramid

Length = n
Surface area 1.9593402184615E+14
Volume 1.1343513113289E+21
Height 10027631.170644