20406487 (number)

20406487 is an odd 8-digits composite number following 20406486 and preceding 20406488. In scientific notation, it is written as 2.0406487 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20245680 positive integers (up to 20406487) that are relatively prime to 20406487.

Interesting facts

Basic properties

Name

Name twenty million four hundred six thousand four hundred eighty-seven

Notation

Scientific notation 2.0406487 × 10^7
Engineering notation 2.0406487 × 10^6

Prime Factorization of 20406487

Prime Factorization 127 × 160681

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20406487
Product of the distinct prime numbers

The prime factorization of 20406487 is 127 × 160681. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20406487)

Multiplication

n×y
n×2 40812974
n×3 61219461
n×4 81625948
n×5 102032435

Division

n÷y
n÷2 10203243.5
n÷3 6802162.3333333
n÷3 5101621.75
n÷5 4081297.4

Exponentiation

ny
n2 416424711681169
n3 8.4977654654005E+21
n4 1.7340954049874E+29
n5 3.5386795338636E+36

Nth Root

y√n
2√n 4517.3539821449
3√n 273.26840102793
4√n 67.211263804104
5√n 28.970343815428

Divisors of 20406487

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20406486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20406487 can be divided by 4 positive divisors. The sum of these divisors (counting 20406487) is 1, the average is 0.25.

Base conversion 20406487

Base System Value
2 Binary 1001101110110000011010111
3 Ternary 1102101202102211
4 Quaternary 1031312003113
5 Quinary 20211001422
6 Senary 2005214251
8 Octal 115660327
10 Decimal 20406487
12 Duodecimal 6a01387
16 Hexadecimal 13760d7
20 Vigesimal 67ag47
36 Base36 c5dqv

Cryptographic Hash Functions

md5 af6781cc2f53b2da36682ba083022f3e
sha1 32944e3d9a3e87ba7d1c20d4583f52cf941160ae
sha256 262ff821d5090087e1922650c145b97b0c3196429caa0782fed1d1b4b1f2e17a
sha512 b2bd010742b32c76d74c54091f7fc94d059dd77a0d339e0d859af0719ae5956428d9eb8839de2fb810b76b65eceedf200851874a9d3885a92e39732a2f8904d3
ripemd-160 f59dca6e9a7e197bcb49b61ccfcf2b2a8fbbf18a

20406487 as geometric shapes

Circle

Radius = n
Diameter 40812974
Circumference 128217739.28955
Area 1.3082368149908E+15

Sphere

Radius = n
Volume 3.5595356744042E+22
Surface area 5.2329472599632E+15
Circumference 128217739.28955

Square

Length = n
Perimeter 81625948
Area 416424711681169
Diagonal 28859130.67579

Cube

Length = n
Surface area 2498548270087014
Volume 8.4977654654005E+21
Space diagonal 35345072.287994

Equilateral Triangle

Length = n
Perimeter 61219461
Area 1.8031718953975E+14
Altitude 17672536.143997

Triangular Pyramid

Length = n
Surface area 1.8031718953975E+14
Volume 1.0014712642529E+21
Height 9619710.2252634