21686742 (number)

21686742 is an even 8-digits composite number following 21686741 and preceding 21686743. In scientific notation, it is written as 2.1686742 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 5632560 positive integers (up to 21686742) that are relatively prime to 21686742.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-six thousand seven hundred forty-two

Notation

Scientific notation 2.1686742 × 10^7
Engineering notation 2.1686742 × 10^6

Prime Factorization of 21686742

Prime Factorization 2 × 7 × 9 × 11 × 15647

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21686742
Product of the distinct prime numbers

The prime factorization of 21686742 is 2 × 7 × 9 × 11 × 15647. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 71, 26, 83, 856, 1293, 5155, 79910, 41360, 828356, 994964, 7869164, 3205802, 97400855, 29368397, 131650357, 794277768, 2243070900, 3751073154

Basic calculations (n = 21686742)

Multiplication

n×y
n×2 43373484
n×3 65060226
n×4 86746968
n×5 108433710

Division

n÷y
n÷2 10843371
n÷3 7228914
n÷3 5421685.5
n÷5 4337348.4

Exponentiation

ny
n2 470314778574564
n3 1.0199595261734E+22
n4 2.2119599094564E+29
n5 4.7970203870725E+36

Nth Root

y√n
2√n 4656.9026186941
3√n 278.86762904016
4√n 68.241502172022
5√n 29.325056839848

Divisors of 21686742

1, 2, 7, 9, 11, 14, 18, 22, 63, 77, 99, 126, 154, 198, 693, 1386, 15647, 31294, 109529, 140823, 172117, 219058, 281646, 344234, 985761, 1204819, 1549053, 1971522, 2409638, 3098106, 10843371, 21686742

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21686741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21686742 can be divided by 32 positive divisors. The sum of these divisors (counting 21686742) is 1, the average is 0.03125.

Base conversion 21686742

Base System Value
2 Binary 1010010101110100111010110
3 Ternary 1111210210121200
4 Quaternary 1102232213112
5 Quinary 21022433432
6 Senary 2052453330
8 Octal 122564726
10 Decimal 21686742
12 Duodecimal 731a246
16 Hexadecimal 14ae9d6
20 Vigesimal 6fagh2
36 Base36 cwtli

Cryptographic Hash Functions

md5 98080fae884af0cd96149d6b3dffa097
sha1 3dae838a0e6e10ffd582862829e2410947c4449a
sha256 ac7d53cd7d9170f05efe8b59cd09fb55af0997b248a64b6db9828a7b26d20e2b
sha512 858b3d2be6c6a7cdb0839b78a6381ae065327a2826079f8634f451bd269614647fa8b67b945a1d486ea4a8cf67204dc6262acd1c477072ca5de335b63a5eb0c4
ripemd-160 1e51d1b066fdaae5f5cb68d8c874332d1c5cd030

21686742 as geometric shapes

Circle

Radius = n
Diameter 43373484
Circumference 136261818.69499
Area 1.4775374532446E+15

Sphere

Radius = n
Volume 4.2723964725136E+22
Surface area 5.9101498129782E+15
Circumference 136261818.69499

Square

Length = n
Perimeter 86746968
Area 470314778574564
Diagonal 30669684.660086

Cube

Length = n
Surface area 2821888671447384
Volume 1.0199595261734E+22
Space diagonal 37562538.994638

Equilateral Triangle

Length = n
Perimeter 65060226
Area 2.0365227301041E+14
Altitude 18781269.497319

Triangular Pyramid

Length = n
Surface area 2.0365227301041E+14
Volume 1.202033829155E+21
Height 10223228.220029