20405460 (number)

20405460 is an even 8-digits composite number following 20405459 and preceding 20405461. In scientific notation, it is written as 2.0405460 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 5410944 positive integers (up to 20405460) that are relatively prime to 20405460.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand four hundred sixty

Notation

Scientific notation 2.0405460 × 10^7
Engineering notation 2.0405460 × 10^6

Prime Factorization of 20405460

Prime Factorization 2 × 2 × 15 × 199 × 1709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10202730
Product of the distinct prime numbers

The prime factorization of 20405460 is 2 × 2 × 15 × 199 × 1709. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 26, 38, 434, 635, 4271, 2415, 504, 25596, 733489, 472264, 8329018, 4040924, 97045023, 38096611, 760563628, 368976745, 3235623767, 3201132716

Basic calculations (n = 20405460)

Multiplication

n×y
n×2 40810920
n×3 61216380
n×4 81621840
n×5 102027300

Division

n÷y
n÷2 10202730
n÷3 6801820
n÷3 5101365
n÷5 4081092

Exponentiation

ny
n2 416382797811600
n3 8.4964825254327E+21
n4 1.7337463431342E+29
n5 3.537789165497E+36

Nth Root

y√n
2√n 4517.2403079757
3√n 273.26381667924
4√n 67.210418150579
5√n 28.970052210684

Divisors of 20405460

1, 2, 4, 15, 30, 60, 199, 398, 796, 1709, 2985, 3418, 5970, 6836, 11940, 25635, 51270, 102540, 340091, 680182, 1360364, 5101365, 10202730, 20405460

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 -20405459
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 20405460 can be divided by 24 positive divisors. The sum of these divisors (counting 20405460) is 1, the average is 0.041666666666667.

Base conversion 20405460

Base System Value
2 Binary 1001101110101110011010100
3 Ternary 1102101201000210
4 Quaternary 1031311303110
5 Quinary 20210433320
6 Senary 2005205420
8 Octal 115656324
10 Decimal 20405460
12 Duodecimal 6a00870
16 Hexadecimal 1375cd4
20 Vigesimal 67add0
36 Base36 c5cyc

Cryptographic Hash Functions

md5 1d96245adebcecdd7f1527d49a8af397
sha1 0e1fd7e3a4931da9b54e0e06e712bdc4a4bb1c42
sha256 d140c7a3b5f097863dbebb47fec3d79fbf30ca7ddcbb3b0515b6e11bed1b1c58
sha512 34339ecb5b0b219a985b1cc7884165ebd1587dcbe6b45343a26250603aa8a769cad1fda29c87f2fbb31927d5ac224fe83bec69630b067c9c01572be5ee02db8d
ripemd-160 56f08985abd9693ad4bf926204c653a8812d8124

20405460 as geometric shapes

Circle

Radius = n
Diameter 40810920
Circumference 128211286.45824
Area 1.3081051386861E+15

Sphere

Radius = n
Volume 3.5589982777671E+22
Surface area 5.2324205547443E+15
Circumference 128211286.45824

Square

Length = n
Perimeter 81621840
Area 416382797811600
Diagonal 28857678.278462

Cube

Length = n
Surface area 2498296786869600
Volume 8.4964825254327E+21
Space diagonal 35343293.471814

Equilateral Triangle

Length = n
Perimeter 61216380
Area 1.8029904030184E+14
Altitude 17671646.735907

Triangular Pyramid

Length = n
Surface area 1.8029904030184E+14
Volume 1.0013200683277E+21
Height 9619226.0928206