20021487 (number)

20021487 is an odd 8-digits composite number following 20021486 and preceding 20021488. In scientific notation, it is written as 2.0021487 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13315968 positive integers (up to 20021487) that are relatively prime to 20021487.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0021487 × 10^7
Engineering notation 2.0021487 × 10^6

Prime Factorization of 20021487

Prime Factorization 3 × 433 × 15413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20021487
Product of the distinct prime numbers

The prime factorization of 20021487 is 3 × 433 × 15413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021487)

Multiplication

n×y
n×2 40042974
n×3 60064461
n×4 80085948
n×5 100107435

Division

n÷y
n÷2 10010743.5
n÷3 6673829
n÷3 5005371.75
n÷5 4004297.4

Exponentiation

ny
n2 400859941691169
n3 8.0258121113905E+21
n4 1.6068869285265E+29
n5 3.2172265749963E+36

Nth Root

y√n
2√n 4474.5376297446
3√n 271.53893468739
4√n 66.891984794477
5√n 28.860195314109

Divisors of 20021487

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20021486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20021487 can be divided by 8 positive divisors. The sum of these divisors (counting 20021487) is 1, the average is 0.125.

Base conversion 20021487

Base System Value
2 Binary 1001100011000000011101111
3 Ternary 1101200012022120
4 Quaternary 1030120003233
5 Quinary 20111141422
6 Senary 1553044023
8 Octal 114300357
10 Decimal 20021487
12 Duodecimal 6856613
16 Hexadecimal 13180ef
20 Vigesimal 652de7
36 Base36 bx4of

Cryptographic Hash Functions

md5 802b055a0e85259128aceb5afc556fe3
sha1 5ac47e35082afc10d3ad30ab93a316213ebab7e4
sha256 32d86a427b108187adb08777afb0cc045701e2100e65f3094cad789e2b466994
sha512 4bf431ec3031923cc335269457f2bc410aad6b42935791b79d8e7a01404b702b6b3b873171dd8a7a0b5f43fb24ddfe89d0121850f7b986b63924045aec1fb32a
ripemd-160 ccbd0bec74c7dd5b4a67f0ded5eeafb60caabc76

20021487 as geometric shapes

Circle

Radius = n
Diameter 40042974
Circumference 125798712.94629
Area 1.2593386479354E+15

Sphere

Radius = n
Volume 3.3618443157648E+22
Surface area 5.0373545917416E+15
Circumference 125798712.94629

Square

Length = n
Perimeter 80085948
Area 400859941691169
Diagonal 28314658.454277

Cube

Length = n
Surface area 2405159650147014
Volume 8.0258121113905E+21
Space diagonal 34678232.72708

Equilateral Triangle

Length = n
Perimeter 60064461
Area 1.7357744643205E+14
Altitude 17339116.36354

Triangular Pyramid

Length = n
Surface area 1.7357744643205E+14
Volume 9.4585102808222E+20
Height 9438219.4847589