20146721 (number)

20146721 is an odd 8-digits composite number following 20146720 and preceding 20146722. In scientific notation, it is written as 2.0146721 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17218368 positive integers (up to 20146721) that are relatively prime to 20146721.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-six thousand seven hundred twenty-one

Notation

Scientific notation 2.0146721 × 10^7
Engineering notation 2.0146721 × 10^6

Prime Factorization of 20146721

Prime Factorization 7 × 359 × 8017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20146721
Product of the distinct prime numbers

The prime factorization of 20146721 is 7 × 359 × 8017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20146721)

Multiplication

n×y
n×2 40293442
n×3 60440163
n×4 80586884
n×5 100733605

Division

n÷y
n÷2 10073360.5
n÷3 6715573.6666667
n÷3 5036680.25
n÷5 4029344.2

Exponentiation

ny
n2 405890367051841
n3 8.177359981581E+21
n4 1.6474699006548E+29
n5 3.319111644439E+36

Nth Root

y√n
2√n 4488.5098863654
3√n 272.10391520423
4√n 66.996342335723
5√n 28.896209308435

Divisors of 20146721

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 -20146720
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 20146721 can be divided by 8 positive divisors. The sum of these divisors (counting 20146721) is 1, the average is 0.125.

Base conversion 20146721

Base System Value
2 Binary 1001100110110101000100001
3 Ternary 1101220120002212
4 Quaternary 1030312220201
5 Quinary 20124143341
6 Senary 1555451505
8 Octal 114665041
10 Decimal 20146721
12 Duodecimal 68b6b95
16 Hexadecimal 1336a21
20 Vigesimal 65i6g1
36 Base36 bztb5

Cryptographic Hash Functions

md5 83ae1d6d33d34bb68e2f53d98d9ab8b2
sha1 2f67ee4688e81597bcd82f9879dbe656a9e05222
sha256 64addac361e43d37c0a4ee92418d2bef09a3ed202cd6090de00d5fb8013bfa0f
sha512 02f160189163e5afee68198d05573bf88fe11e39d10a99c63e1b6359ee3ebbb01c57a277b675b2b3ecd28f574dd55c42499cfc35bfdf40023113e9b92b301bf0
ripemd-160 0e22119f71eb4ba03a92156a263931bc249c9c87

20146721 as geometric shapes

Circle

Radius = n
Diameter 40293442
Circumference 126585581.37505
Area 1.2751421952929E+15

Sphere

Radius = n
Volume 3.4253245391859E+22
Surface area 5.1005687811717E+15
Circumference 126585581.37505

Square

Length = n
Perimeter 80586884
Area 405890367051841
Diagonal 28491766.075547

Cube

Length = n
Surface area 2435342202311046
Volume 8.177359981581E+21
Space diagonal 34895144.377915

Equilateral Triangle

Length = n
Perimeter 60440163
Area 1.7575568450914E+14
Altitude 17447572.188957

Triangular Pyramid

Length = n
Surface area 1.7575568450914E+14
Volume 9.6371111586324E+20
Height 9497255.3585156