20454890 (number)

20454890 is an even 8-digits composite number following 20454889 and preceding 20454891. In scientific notation, it is written as 2.0454890 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8157120 positive integers (up to 20454890) that are relatively prime to 20454890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0454890 × 10^7
Engineering notation 2.0454890 × 10^6

Prime Factorization of 20454890

Prime Factorization 2 × 5 × 349 × 5861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20454890
Product of the distinct prime numbers

The prime factorization of 20454890 is 2 × 5 × 349 × 5861. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 33, 33, 249, 167, 796, 8992, 54, 52436, 34883, 594446, 5995337, 3848809, 13000882, 51924935, 145462885, 654054428, 3320420271, 6610611105

Basic calculations (n = 20454890)

Multiplication

n×y
n×2 40909780
n×3 61364670
n×4 81819560
n×5 102274450

Division

n÷y
n÷2 10227445
n÷3 6818296.6666667
n÷3 5113722.5
n÷5 4090978

Exponentiation

ny
n2 418402524912100
n3 8.5583776227993E+21
n4 1.7506067285282E+29
n5 3.5808468065304E+36

Nth Root

y√n
2√n 4522.7082594392
3√n 273.48428934283
4√n 67.251083704571
5√n 28.984073988763

Divisors of 20454890

1, 2, 5, 10, 349, 698, 1745, 3490, 5861, 11722, 29305, 58610, 2045489, 4090978, 10227445, 20454890

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 -20454889
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 20454890 can be divided by 16 positive divisors. The sum of these divisors (counting 20454890) is 1, the average is 0.0625.

Base conversion 20454890

Base System Value
2 Binary 1001110000001110111101010
3 Ternary 1102111012211112
4 Quaternary 1032001313222
5 Quinary 20214024030
6 Senary 2010230322
8 Octal 116016752
10 Decimal 20454890
12 Duodecimal 6a253a2
16 Hexadecimal 1381dea
20 Vigesimal 67gh4a
36 Base36 c6f3e

Cryptographic Hash Functions

md5 31d30357059b2be560d40003d1f9e0fa
sha1 fffe114472ec40f97b44d8ba3229b15327fdf47f
sha256 230b5c6e2202e5ffc79ce3b06cf27cda0b875a1e712c9d68a14481c7d1c5a48a
sha512 5a5ada6a3ed0d0451c4444d50d8903a6c3163578bb9b0525fbb754d4080e3ba2da4a9f5ddb2173f936dc3e07d322c29ad5d06fdcfadfc4852cc7c72a9284de1a
ripemd-160 fba65e365db3b4edb5580e34f9281029e4fd1919

20454890 as geometric shapes

Circle

Radius = n
Diameter 40909780
Circumference 128521864.30797
Area 1.3144502985073E+15

Sphere

Radius = n
Volume 3.5849248355245E+22
Surface area 5.2578011940291E+15
Circumference 128521864.30797

Square

Length = n
Perimeter 81819560
Area 418402524912100
Diagonal 28927582.85485

Cube

Length = n
Surface area 2510415149472600
Volume 8.5583776227993E+21
Space diagonal 35428908.743233

Equilateral Triangle

Length = n
Perimeter 61364670
Area 1.8117360779072E+14
Altitude 17714454.371616

Triangular Pyramid

Length = n
Surface area 1.8117360779072E+14
Volume 1.0086144755061E+21
Height 9642527.6182833