20406490 (number)

20406490 is an even 8-digits composite number following 20406489 and preceding 20406491. In scientific notation, it is written as 2.0406490 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 7435584 positive integers (up to 20406490) that are relatively prime to 20406490.

Interesting facts

Basic properties

Name

Name twenty million four hundred six thousand four hundred ninety

Notation

Scientific notation 2.0406490 × 10^7
Engineering notation 2.0406490 × 10^6

Prime Factorization of 20406490

Prime Factorization 2 × 13 × 395 × 1987

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20406490
Product of the distinct prime numbers

The prime factorization of 20406490 is 2 × 13 × 395 × 1987. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 39, 1, 293, 450, 2487, 1758, 46356, 44131, 449789, 570990, 4411874, 5278253, 53110788, 4919381, 528531568, 630633546, 8095716701, 5071838556

Basic calculations (n = 20406490)

Multiplication

n×y
n×2 40812980
n×3 61219470
n×4 81625960
n×5 102032450

Division

n÷y
n÷2 10203245
n÷3 6802163.3333333
n÷3 5101622.5
n÷5 4081298

Exponentiation

ny
n2 416424834120100
n3 8.4977692132235E+21
n4 1.7340964247195E+29
n5 3.5386821350075E+36

Nth Root

y√n
2√n 4517.3543141976
3√n 273.26841441918
4√n 67.211266274321
5√n 28.970344667226

Divisors of 20406490

1, 2, 13, 26, 395, 790, 1987, 3974, 5135, 10270, 25831, 51662, 784865, 1569730, 10203245, 20406490

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 -20406489
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 20406490 can be divided by 16 positive divisors. The sum of these divisors (counting 20406490) is 1, the average is 0.0625.

Base conversion 20406490

Base System Value
2 Binary 1001101110110000011011010
3 Ternary 1102101202102221
4 Quaternary 1031312003122
5 Quinary 20211001430
6 Senary 2005214254
8 Octal 115660332
10 Decimal 20406490
12 Duodecimal 6a0138a
16 Hexadecimal 13760da
20 Vigesimal 67ag4a
36 Base36 c5dqy

Cryptographic Hash Functions

md5 02ded272d61a600ddb2b13af0bc4da15
sha1 b2da3e033fb368e0dadeeab63d578177ff850553
sha256 9c1e42fd2699dd3037895e1d798ae93d43ef402a3597bb74a4f83232e33e4c4e
sha512 6ce6e93bdc139f3469b7d7044e01ee590b437fd89c2a74cf5d48cc70a61c8499708751aa4c0ff8f3fa5a581bd22e78e386375fc67533117d4bb8b46d3a8e41f6
ripemd-160 bfab4889752176142b50c91dc3a257349f39504e

20406490 as geometric shapes

Circle

Radius = n
Diameter 40812980
Circumference 128217758.13911
Area 1.3082371996441E+15

Sphere

Radius = n
Volume 3.5595372442886E+22
Surface area 5.2329487985762E+15
Circumference 128217758.13911

Square

Length = n
Perimeter 81625960
Area 416424834120100
Diagonal 28859134.918431

Cube

Length = n
Surface area 2498549004720600
Volume 8.4977692132235E+21
Space diagonal 35345077.484146

Equilateral Triangle

Length = n
Perimeter 61219470
Area 1.8031724255736E+14
Altitude 17672538.742073

Triangular Pyramid

Length = n
Surface area 1.8031724255736E+14
Volume 1.0014717059381E+21
Height 9619711.639477