21494447 (number)

21494447 is an odd 8-digits composite number following 21494446 and preceding 21494448. In scientific notation, it is written as 2.1494447 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 19304352 positive integers (up to 21494447) that are relatively prime to 21494447.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand four hundred forty-seven

Notation

Scientific notation 2.1494447 × 10^7
Engineering notation 2.1494447 × 10^6

Prime Factorization of 21494447

Prime Factorization 13 × 37 × 44687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494447
Product of the distinct prime numbers

The prime factorization of 21494447 is 13 × 37 × 44687. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494447)

Multiplication

n×y
n×2 42988894
n×3 64483341
n×4 85977788
n×5 107472235

Division

n÷y
n÷2 10747223.5
n÷3 7164815.6666667
n÷3 5373611.75
n÷5 4298889.4

Exponentiation

ny
n2 462011251835809
n3 9.9306763659885E+21
n4 2.1345439682289E+29
n5 4.5880842194266E+36

Nth Root

y√n
2√n 4636.2104136892
3√n 278.04094681785
4√n 68.089723260483
5√n 29.272866710406

Divisors of 21494447

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494446
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494447 can be divided by 8 positive divisors. The sum of these divisors (counting 21494447) is 1, the average is 0.125.

Base conversion 21494447

Base System Value
2 Binary 1010001111111101010101111
3 Ternary 1111110000211122
4 Quaternary 1101333222233
5 Quinary 21000310242
6 Senary 2044411155
8 Octal 121775257
10 Decimal 21494447
12 Duodecimal 7246abb
16 Hexadecimal 147faaf
20 Vigesimal 6e6g27
36 Base36 csp7z

Cryptographic Hash Functions

md5 d799c487acb5d9d68e04a9e6a125ac63
sha1 1d22502fbf0fe3e492fccee15bb67f58693ffcfa
sha256 bfe18fc0697d5e0058745b1e529447958a10aae322404fbb450942e673fd20ea
sha512 4adbff5010a4938986eeacb6f0e626fd4a434655058fbac061a0269d501086faadecc53b829d64083e45fb305d79b6a7edaf33d42da46d4ad1089b6fd07340c9
ripemd-160 8e4813743f56cd7368baab070a92a829958b269f

21494447 as geometric shapes

Circle

Radius = n
Diameter 42988894
Circumference 135053593.57635
Area 1.4514511546432E+15

Sphere

Radius = n
Volume 4.1597519888756E+22
Surface area 5.8058046185728E+15
Circumference 135053593.57635

Square

Length = n
Perimeter 85977788
Area 462011251835809
Diagonal 30397738.46311

Cube

Length = n
Surface area 2772067511014854
Volume 9.9306763659885E+21
Space diagonal 37229474.284596

Equilateral Triangle

Length = n
Perimeter 64483341
Area 2.0005674046203E+14
Altitude 18614737.142298

Triangular Pyramid

Length = n
Surface area 2.0005674046203E+14
Volume 1.1703414333599E+21
Height 10132579.487703