21243460 (number)

21243460 is an even 8-digits composite number following 21243459 and preceding 21243461. In scientific notation, it is written as 2.1243460 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 7128576 positive integers (up to 21243460) that are relatively prime to 21243460.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand four hundred sixty

Notation

Scientific notation 2.1243460 × 10^7
Engineering notation 2.1243460 × 10^6

Prime Factorization of 21243460

Prime Factorization 2 × 2 × 245 × 53 × 409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10621730
Product of the distinct prime numbers

The prime factorization of 21243460 is 2 × 2 × 245 × 53 × 409. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 59, 59, 781, 970, 4020, 7853, 69354, 51826, 83461, 979901, 3003588, 5372524, 65021553, 98463248, 78663797, 717705714, 6567090396, 3038211593

Basic calculations (n = 21243460)

Multiplication

n×y
n×2 42486920
n×3 63730380
n×4 84973840
n×5 106217300

Division

n÷y
n÷2 10621730
n÷3 7081153.3333333
n÷3 5310865
n÷5 4248692

Exponentiation

ny
n2 451284592771600
n3 9.5868461951598E+21
n4 2.0365778367303E+29
n5 4.3263959811466E+36

Nth Root

y√n
2√n 4609.0628114618
3√n 276.95449473393
4√n 67.890078888316
5√n 29.204182293633

Divisors of 21243460

1, 2, 4, 53, 106, 212, 245, 409, 490, 818, 980, 1636, 12985, 21677, 25970, 43354, 51940, 86708, 100205, 200410, 400820, 5310865, 10621730, 21243460

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243459
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243460 can be divided by 24 positive divisors. The sum of these divisors (counting 21243460) is 1, the average is 0.041666666666667.

Base conversion 21243460

Base System Value
2 Binary 1010001000010011001000100
3 Ternary 1110222021112211
4 Quaternary 1101002121010
5 Quinary 20414242320
6 Senary 2035153204
8 Octal 121023104
10 Decimal 21243460
12 Duodecimal 7145804
16 Hexadecimal 1442644
20 Vigesimal 6cf8d0
36 Base36 cnbk4

Cryptographic Hash Functions

md5 2d9e024607ca5f76bfeb11c605ee144f
sha1 19c775bebfb277722d5f8b0c0135410d4926339a
sha256 a556f1d647673b02306a3954abdf842b1ea32faa94deeeffad10a05d3271a862
sha512 231da9d350024b635c89936d344d727b63105df9aa1e13b8557330d81e4c40a33b6dc16f837b84b9e29f7bda825cb8562ea65ed357c9fa1338fe2a7e89a59c4e
ripemd-160 26fca35ae4956c58fdd90412a551996bd9c70812

21243460 as geometric shapes

Circle

Radius = n
Diameter 42486920
Circumference 133476595.74566
Area 1.4177523613295E+15

Sphere

Radius = n
Volume 4.0157287437079E+22
Surface area 5.6710094453181E+15
Circumference 133476595.74566

Square

Length = n
Perimeter 84973840
Area 451284592771600
Diagonal 30042789.24373

Cube

Length = n
Surface area 2707707556629600
Volume 9.5868461951598E+21
Space diagonal 36794752.048557

Equilateral Triangle

Length = n
Perimeter 63730380
Area 1.9541196083836E+14
Altitude 18397376.024279

Triangular Pyramid

Length = n
Surface area 1.9541196083836E+14
Volume 1.1298206591317E+21
Height 10014263.081243