21294890 (number)

21294890 is an even 8-digits composite number following 21294889 and preceding 21294891. In scientific notation, it is written as 2.1294890 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8319696 positive integers (up to 21294890) that are relatively prime to 21294890.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-four thousand eight hundred ninety

Notation

Scientific notation 2.1294890 × 10^7
Engineering notation 2.1294890 × 10^6

Prime Factorization of 21294890

Prime Factorization 2 × 5 × 43 × 49523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21294890
Product of the distinct prime numbers

The prime factorization of 21294890 is 2 × 5 × 43 × 49523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21294890)

Multiplication

n×y
n×2 42589780
n×3 63884670
n×4 85179560
n×5 106474450

Division

n÷y
n÷2 10647445
n÷3 7098296.6666667
n÷3 5323722.5
n÷5 4258978

Exponentiation

ny
n2 453472340112100
n3 9.6566436007298E+21
n4 2.0563716324674E+29
n5 4.3790207712515E+36

Nth Root

y√n
2√n 4614.6386640776
3√n 277.17781507927
4√n 67.931131773861
5√n 29.218309170399

Divisors of 21294890

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 -21294889
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 21294890 can be divided by 16 positive divisors. The sum of these divisors (counting 21294890) is 1, the average is 0.0625.

Base conversion 21294890

Base System Value
2 Binary 1010001001110111100101010
3 Ternary 1111001220002122
4 Quaternary 1101032330222
5 Quinary 20422414030
6 Senary 2040231242
8 Octal 121167452
10 Decimal 21294890
12 Duodecimal 716b522
16 Hexadecimal 144ef2a
20 Vigesimal 6d1h4a
36 Base36 cof8q

Cryptographic Hash Functions

md5 c3839d1756638cf864915c5366a66d66
sha1 23f00bfa3b3c7f79f457a149ad436c0b6e66cea2
sha256 edb7dadd305d6c7e87f6b41b291122b0d3bb67085a7a8a1b86008289e8e3ab8d
sha512 dc5f55e5301e5ee09d17a2db91b3227e39b2725c55958e0c4cc6c8fbea427db0302be2d34703a3ce03f8a4ecb30f8df227326ceeb602121d73a3d130178d9ee8
ripemd-160 23b4962aa43e82d2683b7a9b9e0dd1da21696df9

21294890 as geometric shapes

Circle

Radius = n
Diameter 42589780
Circumference 133799739.96601
Area 1.4246253723023E+15

Sphere

Radius = n
Volume 4.044965412585E+22
Surface area 5.6985014892094E+15
Circumference 133799739.96601

Square

Length = n
Perimeter 85179560
Area 453472340112100
Diagonal 30115522.247243

Cube

Length = n
Surface area 2720834040672600
Volume 9.6566436007298E+21
Space diagonal 36883831.42159

Equilateral Triangle

Length = n
Perimeter 63884670
Area 1.9635928322533E+14
Altitude 18441915.710795

Triangular Pyramid

Length = n
Surface area 1.9635928322533E+14
Volume 1.1380463622629E+21
Height 10038507.415748