20990421 (number)

20990421 is an odd 8-digits composite number following 20990420 and preceding 20990422. In scientific notation, it is written as 2.0990421 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 12659328 positive integers (up to 20990421) that are relatively prime to 20990421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0990421 × 10^7
Engineering notation 2.0990421 × 10^6

Prime Factorization of 20990421

Prime Factorization 9 × 9 × 23 × 19 × 593

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2332269
Product of the distinct prime numbers

The prime factorization of 20990421 is 9 × 9 × 23 × 19 × 593. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 4, 8, 83, 96, 219, 1974, 3938, 29742, 39619, 463372, 792142, 8423310, 3335579, 75451757, 22899320, 999702716, 788179697, 6278183182, 1013720203

Basic calculations (n = 20990421)

Multiplication

n×y
n×2 41980842
n×3 62971263
n×4 83961684
n×5 104952105

Division

n÷y
n÷2 10495210.5
n÷3 6996807
n÷3 5247605.25
n÷5 4198084.2

Exponentiation

ny
n2 440597773757241
n3 9.2483327628272E+21
n4 1.9412639823984E+29
n5 4.0747948262678E+36

Nth Root

y√n
2√n 4581.5304211584
3√n 275.85046247307
4√n 67.687003340068
5√n 29.134275979718

Divisors of 20990421

1, 9, 19, 23, 81, 171, 207, 437, 593, 1539, 1863, 3933, 5337, 11267, 13639, 35397, 48033, 101403, 122751, 259141, 912627, 1104759, 2332269, 20990421

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20990420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20990421 can be divided by 24 positive divisors. The sum of these divisors (counting 20990421) is 1, the average is 0.041666666666667.

Base conversion 20990421

Base System Value
2 Binary 1010000000100100111010101
3 Ternary 1110111102110000
4 Quaternary 1100010213111
5 Quinary 20333143141
6 Senary 2025521513
8 Octal 120044725
10 Decimal 20990421
12 Duodecimal 7043299
16 Hexadecimal 14049d5
20 Vigesimal 6b3g11
36 Base36 chwb9

Cryptographic Hash Functions

md5 5db6cd9eb0be92f1507cae26195604e8
sha1 920b601333b4cf8a0ddcc197133b7e824f8ac6fa
sha256 cfac258fa8451b4c58b7f560b8f2fb27eda939fa5a0be2fdf6a0877a3c928f93
sha512 1ec618b6682337fa9ff58e479e58b7564f780705a7beec43d4dec834d83ec55460b3f806bb3c48e431ba50f0c11cb6a91e9f4ce869d1e478f8af347f14ac909a
ripemd-160 bdb6cc1a0ffe3576865f2ca0dc8cf022027d1135

20990421 as geometric shapes

Circle

Radius = n
Diameter 41980842
Circumference 131886704.81871
Area 1.3841787292238E+15

Sphere

Radius = n
Volume 3.8739325687536E+22
Surface area 5.5367149168951E+15
Circumference 131886704.81871

Square

Length = n
Perimeter 83961684
Area 440597773757241
Diagonal 29684938.058121

Cube

Length = n
Surface area 2643586642543446
Volume 9.2483327628272E+21
Space diagonal 36356475.644261

Equilateral Triangle

Length = n
Perimeter 62971263
Area 1.9078443246232E+14
Altitude 18178237.82213

Triangular Pyramid

Length = n
Surface area 1.9078443246232E+14
Volume 1.0899264685441E+21
Height 9894979.352707