21243668 (number)

21243668 is an even 8-digits composite number following 21243667 and preceding 21243669. In scientific notation, it is written as 2.1243668 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10577280 positive integers (up to 21243668) that are relatively prime to 21243668.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand six hundred sixty-eight

Notation

Scientific notation 2.1243668 × 10^7
Engineering notation 2.1243668 × 10^6

Prime Factorization of 21243668

Prime Factorization 2 × 2 × 241 × 22037

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10621834
Product of the distinct prime numbers

The prime factorization of 21243668 is 2 × 2 × 241 × 22037. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 42, 18, 715, 15, 2341, 75, 27271, 34738, 802886, 428775, 1260767, 8721196, 93848163, 98758306, 989202672, 228060612, 9570858298, 1238610018

Basic calculations (n = 21243668)

Multiplication

n×y
n×2 42487336
n×3 63731004
n×4 84974672
n×5 106218340

Division

n÷y
n÷2 10621834
n÷3 7081222.6666667
n÷3 5310917
n÷5 4248733.6

Exponentiation

ny
n2 451293430094224
n3 9.5871277995029E+21
n4 2.0366576004621E+29
n5 4.3266077893894E+36

Nth Root

y√n
2√n 4609.0853756467
3√n 276.95539864109
4√n 67.890245069868
5√n 29.204239482491

Divisors of 21243668

1, 2, 4, 241, 482, 964, 22037, 44074, 88148, 5310917, 10621834, 21243668

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 -21243667
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 21243668 can be divided by 12 positive divisors. The sum of these divisors (counting 21243668) is 1, the average is 0.083333333333333.

Base conversion 21243668

Base System Value
2 Binary 1010001000010011100010100
3 Ternary 1110222021211112
4 Quaternary 1101002130110
5 Quinary 20414244133
6 Senary 2035154152
8 Octal 121023424
10 Decimal 21243668
12 Duodecimal 7145958
16 Hexadecimal 1442714
20 Vigesimal 6cf938
36 Base36 cnbpw

Cryptographic Hash Functions

md5 eecd92789b7979f0f8f144e3160c4dfe
sha1 b114c4f3a7c2521bc610e25703f19afa9d1c3777
sha256 dacf07f310b8b963d87817710a65c5bd576d4aaa841179be37f21e9df0c95d04
sha512 b3efbae1d1142ffb35922b1a39651582390f2d1076b5a01d22af691aa01ab22f448d0ab6835340ddf82ef22ec2876607579d9a52365fd56dc7d546415683ef73
ripemd-160 9ae72b31564bfbfe984430a4e9dab3669e241746

21243668 as geometric shapes

Circle

Radius = n
Diameter 42487336
Circumference 133477902.6482
Area 1.4177801245974E+15

Sphere

Radius = n
Volume 4.0158467018593E+22
Surface area 5.6711204983894E+15
Circumference 133477902.6482

Square

Length = n
Perimeter 84974672
Area 451293430094224
Diagonal 30043083.400151

Cube

Length = n
Surface area 2707760580565344
Volume 9.5871277995029E+21
Space diagonal 36795112.315125

Equilateral Triangle

Length = n
Perimeter 63731004
Area 1.9541578751131E+14
Altitude 18397556.157563

Triangular Pyramid

Length = n
Surface area 1.9541578751131E+14
Volume 1.1298538465218E+21
Height 10014361.133384