20456490 (number)

20456490 is an even 8-digits composite number following 20456489 and preceding 20456491. In scientific notation, it is written as 2.0456490 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5455056 positive integers (up to 20456490) that are relatively prime to 20456490.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-six thousand four hundred ninety

Notation

Scientific notation 2.0456490 × 10^7
Engineering notation 2.0456490 × 10^6

Prime Factorization of 20456490

Prime Factorization 2 × 3 × 5 × 681883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20456490
Product of the distinct prime numbers

The prime factorization of 20456490 is 2 × 3 × 5 × 681883. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20456490)

Multiplication

n×y
n×2 40912980
n×3 61369470
n×4 81825960
n×5 102282450

Division

n÷y
n÷2 10228245
n÷3 6818830
n÷3 5114122.5
n÷5 4091298

Exponentiation

ny
n2 418467983120100
n3 8.5603861120165E+21
n4 1.751154528966E+29
n5 3.5822475110249E+36

Nth Root

y√n
2√n 4522.8851411461
3√n 273.49141988642
4√n 67.252398776148
5√n 28.984527406674

Divisors of 20456490

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 -20456489
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 20456490 can be divided by 16 positive divisors. The sum of these divisors (counting 20456490) is 1, the average is 0.0625.

Base conversion 20456490

Base System Value
2 Binary 1001110000010010000101010
3 Ternary 1102111022000210
4 Quaternary 1032002100222
5 Quinary 20214101430
6 Senary 2010241550
8 Octal 116022052
10 Decimal 20456490
12 Duodecimal 6a262b6
16 Hexadecimal 138242a
20 Vigesimal 67h14a
36 Base36 c6gbu

Cryptographic Hash Functions

md5 a113fdd5942e204b7829197642fc9dca
sha1 e02e5c96e0924aad967ac73b79f118b93addb5f7
sha256 f1888143163f4c47560ac5d4765268e10ddb3e52a1a74419ade89d3260a97273
sha512 83f1bd56b6e022baf64da979b0edb052255e376034fd63a8a4e12af05dc7b55480d62ea4414a80927bc8b6ac88392504027fe4b881c6be0b6d8378e79eb5562f
ripemd-160 1aa24c5429488f099c073f44603bd10efdb3add7

20456490 as geometric shapes

Circle

Radius = n
Diameter 40912980
Circumference 128531917.40447
Area 1.3146559415326E+15

Sphere

Radius = n
Volume 3.5857661495204E+22
Surface area 5.2586237661306E+15
Circumference 128531917.40447

Square

Length = n
Perimeter 81825960
Area 418467983120100
Diagonal 28929845.59655

Cube

Length = n
Surface area 2510807898720600
Volume 8.5603861120165E+21
Space diagonal 35431680.024525

Equilateral Triangle

Length = n
Perimeter 61369470
Area 1.8120195202622E+14
Altitude 17715840.012262

Triangular Pyramid

Length = n
Surface area 1.8120195202622E+14
Volume 1.0088511782303E+21
Height 9643281.8655165