21490890 (number)

21490890 is an even 8-digits composite number following 21490889 and preceding 21490891. In scientific notation, it is written as 2.1490890 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 5393664 positive integers (up to 21490890) that are relatively prime to 21490890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490890 × 10^7
Engineering notation 2.1490890 × 10^6

Prime Factorization of 21490890

Prime Factorization 2 × 15 × 17 × 42139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490890
Product of the distinct prime numbers

The prime factorization of 21490890 is 2 × 15 × 17 × 42139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 94, 95, 556, 26, 7292, 2064, 54407, 74918, 240800, 918332, 1670369, 6226620, 34160490, 61385173, 347084788, 469026506, 3128090849, 9337312765

Basic calculations (n = 21490890)

Multiplication

n×y
n×2 42981780
n×3 64472670
n×4 85963560
n×5 107454450

Division

n÷y
n÷2 10745445
n÷3 7163630
n÷3 5372722.5
n÷5 4298178

Exponentiation

ny
n2 461858352992100
n3 9.9257470597344E+21
n4 2.1331313822858E+29
n5 4.5842891892251E+36

Nth Root

y√n
2√n 4635.8267871007
3√n 278.02560880664
4√n 68.086906135473
5√n 29.271897804531

Divisors of 21490890

1, 2, 15, 17, 30, 34, 255, 510, 42139, 84278, 632085, 716363, 1264170, 1432726, 10745445, 21490890

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 -21490889
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 21490890 can be divided by 16 positive divisors. The sum of these divisors (counting 21490890) is 1, the average is 0.0625.

Base conversion 21490890

Base System Value
2 Binary 1010001111110110011001010
3 Ternary 1111102211221220
4 Quaternary 1101332303022
5 Quinary 21000202030
6 Senary 2044342510
8 Octal 121766312
10 Decimal 21490890
12 Duodecimal 7244a36
16 Hexadecimal 147ecca
20 Vigesimal 6e674a
36 Base36 csmh6

Cryptographic Hash Functions

md5 1da4284a3fcc042439e34ae721e0583f
sha1 8b6b532a67beb019433087c754ec219896565310
sha256 5a8b9f4cdeded088d5490d5d9a57251818620b94ef7c37aa71eeda97fa0d5f60
sha512 5c19882a289832a2a6eedc4243dd6509cc499a0a96bf39ffff9842915466707c24284a632a4677c831b6e4c168d05abb4ed1c58846ad2c2df6bc3c90f60f9aa0
ripemd-160 793a47f6e2453c2c8562a3074f47630eebeea583

21490890 as geometric shapes

Circle

Radius = n
Diameter 42981780
Circumference 135031244.28621
Area 1.4509708087591E+15

Sphere

Radius = n
Volume 4.1576872059003E+22
Surface area 5.8038832350363E+15
Circumference 135031244.28621

Square

Length = n
Perimeter 85963560
Area 461858352992100
Diagonal 30392708.105468

Cube

Length = n
Surface area 2771150117952600
Volume 9.9257470597344E+21
Space diagonal 37223313.379874

Equilateral Triangle

Length = n
Perimeter 64472670
Area 1.999905333206E+14
Altitude 18611656.689937

Triangular Pyramid

Length = n
Surface area 1.999905333206E+14
Volume 1.1697605090468E+21
Height 10130902.701823