21490816 (number)

21490816 is an even 8-digits composite number following 21490815 and preceding 21490817. In scientific notation, it is written as 2.1490816 × 10^7. The sum of its digits is 31. It has a total of 9 prime factors and 32 positive divisors. There are 10692864 positive integers (up to 21490816) that are relatively prime to 21490816.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490816 × 10^7
Engineering notation 2.1490816 × 10^6

Prime Factorization of 21490816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 379 × 443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 335794
Product of the distinct prime numbers

The prime factorization of 21490816 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 379 × 443. Since it has a total of 9 prime factors.

Most popular turbo-numbers

9, 5, 67, 29, 560, 440, 8829, 7486, 17269, 53478, 754733, 243235, 252935, 6544301, 12158466, 61016483, 480908344, 213392572, 2963580252, 4658809831

Basic calculations (n = 21490816)

Multiplication

n×y
n×2 42981632
n×3 64472448
n×4 85963264
n×5 107454080

Division

n÷y
n÷2 10745408
n÷3 7163605.3333333
n÷3 5372704
n÷5 4298163.2

Exponentiation

ny
n2 461855172345856
n3 9.9256445275331E+21
n4 2.1331020022262E+29
n5 4.5842102639075E+36

Nth Root

y√n
2√n 4635.8188057775
3√n 278.02528969594
4√n 68.086847524155
5√n 29.271877646004

Divisors of 21490816

1, 2, 4, 8, 16, 32, 64, 128, 379, 443, 758, 886, 1516, 1772, 3032, 3544, 6064, 7088, 12128, 14176, 24256, 28352, 48512, 56704, 167897, 335794, 671588, 1343176, 2686352, 5372704, 10745408, 21490816

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490816 can be divided by 32 positive divisors. The sum of these divisors (counting 21490816) is 1, the average is 0.03125.

Base conversion 21490816

Base System Value
2 Binary 1010001111110110010000000
3 Ternary 1111102211212011
4 Quaternary 1101332302000
5 Quinary 21000201231
6 Senary 2044342304
8 Octal 121766200
10 Decimal 21490816
12 Duodecimal 7244994
16 Hexadecimal 147ec80
20 Vigesimal 6e670g
36 Base36 csmf4

Cryptographic Hash Functions

md5 4467d6f12347e683d36499394dab0cac
sha1 5d631a8c915a29be0114b55ce4bbde56e18b5f50
sha256 1ca93d734134bcb8b7f66888bb846224b6aae01b18f3e39be329a74bb50d04b9
sha512 7381ffb69990caf6f40796146225d6c88303800154e167c9f59d6eff66883b2d86853ffe4169bdccf9f4361189c60b1da3aedd6a6a93fa32d5ab3557402358ce
ripemd-160 7929a8f213d7c00da0500c8bfeafaa1ff40969a2

21490816 as geometric shapes

Circle

Radius = n
Diameter 42981632
Circumference 135030779.3305
Area 1.4509608164642E+15

Sphere

Radius = n
Volume 4.1576442573122E+22
Surface area 5.8038432658568E+15
Circumference 135030779.3305

Square

Length = n
Perimeter 85963264
Area 461855172345856
Diagonal 30392603.453665

Cube

Length = n
Surface area 2771131034075136
Volume 9.9256445275331E+21
Space diagonal 37223185.208114

Equilateral Triangle

Length = n
Perimeter 64472448
Area 1.9998915606038E+14
Altitude 18611592.604057

Triangular Pyramid

Length = n
Surface area 1.9998915606038E+14
Volume 1.169748425511E+21
Height 10130867.817888