20486721 (number)

20486721 is an odd 8-digits composite number following 20486720 and preceding 20486722. In scientific notation, it is written as 2.0486721 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13063952 positive integers (up to 20486721) that are relatively prime to 20486721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0486721 × 10^7
Engineering notation 2.0486721 × 10^6

Prime Factorization of 20486721

Prime Factorization 3 × 23 × 296909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20486721
Product of the distinct prime numbers

The prime factorization of 20486721 is 3 × 23 × 296909. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20486721)

Multiplication

n×y
n×2 40973442
n×3 61460163
n×4 81946884
n×5 102433605

Division

n÷y
n÷2 10243360.5
n÷3 6828907
n÷3 5121680.25
n÷5 4097344.2

Exponentiation

ny
n2 419705737331841
n3 8.5983943428167E+21
n4 1.7615290594926E+29
n5 3.6087954375218E+36

Nth Root

y√n
2√n 4526.2259112864
3√n 273.62607722702
4√n 67.277231745118
5√n 28.993089127108

Divisors of 20486721

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 -20486720
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 20486721 can be divided by 8 positive divisors. The sum of these divisors (counting 20486721) is 1, the average is 0.125.

Base conversion 20486721

Base System Value
2 Binary 1001110001001101001000001
3 Ternary 1102112211111110
4 Quaternary 1032021221001
5 Quinary 20221033341
6 Senary 2011033533
8 Octal 116115101
10 Decimal 20486721
12 Duodecimal 6a3b8a9
16 Hexadecimal 1389a41
20 Vigesimal 680gg1
36 Base36 c73nl

Cryptographic Hash Functions

md5 034f542555ba2dae01f078ad6668e9b9
sha1 6e262fbfae9ba584e57cdfd9beb05622c152d7d8
sha256 85517f6bc3798092000cf0a0a1501ce533ff1d21a2ce4f9a22a10f66d3a60bf8
sha512 c6fcfeda7e05d37534d9eaaac7b426026193a7f1b37c77e64b5222da8eb04c26c8b90dfa3536865e705116c03ae80ca2b0ddb73f8384a39e99af1fd2716f6d2e
ripemd-160 35267041b5b62ae6c2542bccb0d495d8fff2f7a0

20486721 as geometric shapes

Circle

Radius = n
Diameter 40973442
Circumference 128721864.37949
Area 1.3185444610712E+15

Sphere

Radius = n
Volume 3.6016870000081E+22
Surface area 5.2741778442848E+15
Circumference 128721864.37949

Square

Length = n
Perimeter 81946884
Area 419705737331841
Diagonal 28972598.686754

Cube

Length = n
Surface area 2518234423991046
Volume 8.5983943428167E+21
Space diagonal 35484041.652488

Equilateral Triangle

Length = n
Perimeter 61460163
Area 1.8173791532173E+14
Altitude 17742020.826244

Triangular Pyramid

Length = n
Surface area 1.8173791532173E+14
Volume 1.013330491187E+21
Height 9657532.8955846