21494973 (number)

21494973 is an odd 8-digits composite number following 21494972 and preceding 21494974. In scientific notation, it is written as 2.1494973 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 14079744 positive integers (up to 21494973) that are relatively prime to 21494973.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand nine hundred seventy-three

Notation

Scientific notation 2.1494973 × 10^7
Engineering notation 2.1494973 × 10^6

Prime Factorization of 21494973

Prime Factorization 3 × 113 × 389 × 163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494973
Product of the distinct prime numbers

The prime factorization of 21494973 is 3 × 113 × 389 × 163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494973)

Multiplication

n×y
n×2 42989946
n×3 64484919
n×4 85979892
n×5 107474865

Division

n÷y
n÷2 10747486.5
n÷3 7164991
n÷3 5373743.25
n÷5 4298994.6

Exponentiation

ny
n2 462033864270729
n3 9.931405437585E+21
n4 2.1347529173294E+29
n5 4.5886456319667E+36

Nth Root

y√n
2√n 4636.2671407071
3√n 278.04321481983
4√n 68.090139819999
5√n 29.273009978825

Divisors of 21494973

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 -21494972
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 21494973 can be divided by 16 positive divisors. The sum of these divisors (counting 21494973) is 1, the average is 0.0625.

Base conversion 21494973

Base System Value
2 Binary 1010001111111110010111101
3 Ternary 1111110001120010
4 Quaternary 1101333302331
5 Quinary 21000314343
6 Senary 2044413433
8 Octal 121776275
10 Decimal 21494973
12 Duodecimal 7247279
16 Hexadecimal 147fcbd
20 Vigesimal 6e6h8d
36 Base36 cspml

Cryptographic Hash Functions

md5 3f29dde729b304cfc33c7577ee9edddb
sha1 73f734a993672b916812a6856a00c830432a4030
sha256 5c7b96781b1cbd23b93630974d16e2aafd34856273f655b680461f60067c758d
sha512 f76ec902c0423c18e8e9b759b56101cb0c80f8358e1fbb653f159feee7cb98ad0a9540076bd5950a99d48d780c1a64970fc7870124d8ca1a55aa5a87eb1d5d62
ripemd-160 06a0a87c552268ec5717133174d32d4f11991346

21494973 as geometric shapes

Circle

Radius = n
Diameter 42989946
Circumference 135056898.53182
Area 1.4515221937026E+15

Sphere

Radius = n
Volume 4.1600573816718E+22
Surface area 5.8060887748105E+15
Circumference 135056898.53182

Square

Length = n
Perimeter 85979892
Area 462033864270729
Diagonal 30398482.339443

Cube

Length = n
Surface area 2772203185624374
Volume 9.931405437585E+21
Space diagonal 37230385.343321

Equilateral Triangle

Length = n
Perimeter 64484919
Area 2.0006653193357E+14
Altitude 18615192.671661

Triangular Pyramid

Length = n
Surface area 2.0006653193357E+14
Volume 1.1704273552715E+21
Height 10132827.446481