21291218 (number)

21291218 is an even 8-digits composite number following 21291217 and preceding 21291219. In scientific notation, it is written as 2.1291218 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 9586560 positive integers (up to 21291218) that are relatively prime to 21291218.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred eighteen

Notation

Scientific notation 2.1291218 × 10^7
Engineering notation 2.1291218 × 10^6

Prime Factorization of 21291218

Prime Factorization 2 × 13 × 41 × 19973

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21291218
Product of the distinct prime numbers

The prime factorization of 21291218 is 2 × 13 × 41 × 19973. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 2, 7, 564, 474, 3229, 1782, 58712, 52082, 877312, 592507, 3240625, 7829898, 10462133, 5458231, 469184597, 398616612, 984647163, 2114704346

Basic calculations (n = 21291218)

Multiplication

n×y
n×2 42582436
n×3 63873654
n×4 85164872
n×5 106456090

Division

n÷y
n÷2 10645609
n÷3 7097072.6666667
n÷3 5322804.5
n÷5 4258243.6

Exponentiation

ny
n2 453315963923524
n3 9.6516490107759E+21
n4 2.0549536314791E+29
n5 4.3752465747714E+36

Nth Root

y√n
2√n 4614.2407826207
3√n 277.16188237673
4√n 67.928203145827
5√n 29.217301444769

Divisors of 21291218

1, 2, 13, 26, 41, 82, 533, 1066, 19973, 39946, 259649, 519298, 818893, 1637786, 10645609, 21291218

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 -21291217
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 21291218 can be divided by 16 positive divisors. The sum of these divisors (counting 21291218) is 1, the average is 0.0625.

Base conversion 21291218

Base System Value
2 Binary 1010001001110000011010010
3 Ternary 1111001201001122
4 Quaternary 1101032003102
5 Quinary 20422304333
6 Senary 2040202242
8 Octal 121160322
10 Decimal 21291218
12 Duodecimal 7169382
16 Hexadecimal 144e0d2
20 Vigesimal 6d180i
36 Base36 coceq

Cryptographic Hash Functions

md5 8447c9a191d6d988ae5f99c538e05eb4
sha1 e19111472572400701d78d53951c8e3291cfcb70
sha256 edd6891701d0bcc8c6c312b5875b259dc80d4bf11ff7970eaa78e27dd5a0677f
sha512 0424ed232551f1aae3948b4219f7b23210c692b7979fdc42f1a37c881893fc92f4d9424a8da43d20e36884fc6cd4ff452d841ea0fb80d45fb657799c21b7d0af
ripemd-160 c8ccc9d1db8a331b45a4f3fdfbf38d19c7f450d8

21291218 as geometric shapes

Circle

Radius = n
Diameter 42582436
Circumference 133776668.10956
Area 1.4241341020171E+15

Sphere

Radius = n
Volume 4.0428732836374E+22
Surface area 5.6965364080685E+15
Circumference 133776668.10956

Square

Length = n
Perimeter 85164872
Area 453315963923524
Diagonal 30110329.255042

Cube

Length = n
Surface area 2719895783541144
Volume 9.6516490107759E+21
Space diagonal 36877471.331025

Equilateral Triangle

Length = n
Perimeter 63873654
Area 1.962915703494E+14
Altitude 18438735.665513

Triangular Pyramid

Length = n
Surface area 1.962915703494E+14
Volume 1.137457744192E+21
Height 10036776.418347