21542718 (number)

21542718 is an even 8-digits composite number following 21542717 and preceding 21542719. In scientific notation, it is written as 2.1542718 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 7132416 positive integers (up to 21542718) that are relatively prime to 21542718.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand seven hundred eighteen

Notation

Scientific notation 2.1542718 × 10^7
Engineering notation 2.1542718 × 10^6

Prime Factorization of 21542718

Prime Factorization 2 × 3 × 149 × 24097

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21542718
Product of the distinct prime numbers

The prime factorization of 21542718 is 2 × 3 × 149 × 24097. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 68, 11, 339, 393, 8801, 1541, 4310, 28988, 945685, 496351, 9618242, 1019137, 24585905, 29413384, 147000936, 44569290, 3418158471, 3155155568

Basic calculations (n = 21542718)

Multiplication

n×y
n×2 43085436
n×3 64628154
n×4 86170872
n×5 107713590

Division

n÷y
n÷2 10771359
n÷3 7180906
n÷3 5385679.5
n÷5 4308543.6

Exponentiation

ny
n2 464088698827524
n3 9.9977319658283E+21
n4 2.1537832037942E+29
n5 4.6398344192476E+36

Nth Root

y√n
2√n 4641.4133623283
3√n 278.24892735843
4√n 68.127919110511
5√n 29.286002781647

Divisors of 21542718

1, 2, 3, 6, 149, 298, 447, 894, 24097, 48194, 72291, 144582, 3590453, 7180906, 10771359, 21542718

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 -21542717
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 21542718 can be divided by 16 positive divisors. The sum of these divisors (counting 21542718) is 1, the average is 0.0625.

Base conversion 21542718

Base System Value
2 Binary 1010010001011011100111110
3 Ternary 1111112111001110
4 Quaternary 1102023130332
5 Quinary 21003331333
6 Senary 2045422450
8 Octal 122133476
10 Decimal 21542718
12 Duodecimal 726aa26
16 Hexadecimal 148b73e
20 Vigesimal 6ecgfi
36 Base36 ctqgu

Cryptographic Hash Functions

md5 a79fe1ac30045c2b370477a6a24bfbdb
sha1 7625ae311a762a45b58ee77a5d1fa85f6ccab2fc
sha256 3fb24b05ff05d760dd9ca03ea92eafc5d84a2dd48dd17fbaef40221b5126758d
sha512 6f2e76c4b7b92072d6c9bb634e66117a01b87832d7b31d725b4377760a2de4842ad8a3b56b57c5c7b92b7534b673bbc75df142bc099e256e1bd7fb396e1e0a2c
ripemd-160 2d1965ce17c82c38b3a9f6327eddeddf6dd91e43

21542718 as geometric shapes

Circle

Radius = n
Diameter 43085436
Circumference 135356889.21431
Area 1.4579776468506E+15

Sphere

Radius = n
Volume 4.1878401728541E+22
Surface area 5.8319105874024E+15
Circumference 135356889.21431

Square

Length = n
Perimeter 86170872
Area 464088698827524
Diagonal 30466003.965979

Cube

Length = n
Surface area 2784532192965144
Volume 9.9977319658283E+21
Space diagonal 37313082.109129

Equilateral Triangle

Length = n
Perimeter 64628154
Area 2.0095630139695E+14
Altitude 18656541.054564

Triangular Pyramid

Length = n
Surface area 2.0095630139695E+14
Volume 1.1782440115871E+21
Height 10155334.655326