20409820 (number)

20409820 is an even 8-digits composite number following 20409819 and preceding 20409821. In scientific notation, it is written as 2.0409820 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 8163920 positive integers (up to 20409820) that are relatively prime to 20409820.

Interesting facts

Basic properties

Name

Name twenty million four hundred nine thousand eight hundred twenty

Notation

Scientific notation 2.0409820 × 10^7
Engineering notation 2.0409820 × 10^6

Prime Factorization of 20409820

Prime Factorization 2 × 2 × 5 × 1020491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10204910
Product of the distinct prime numbers

The prime factorization of 20409820 is 2 × 2 × 5 × 1020491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 4, 26, 708, 242, 8595, 1550, 32981, 82882, 278797, 186306, 1664478, 9517047, 6691898, 35004765, 923980676, 813639274, 9064921834, 1364822571

Basic calculations (n = 20409820)

Multiplication

n×y
n×2 40819640
n×3 61229460
n×4 81639280
n×5 102049100

Division

n÷y
n÷2 10204910
n÷3 6803273.3333333
n÷3 5102455
n÷5 4081964

Exponentiation

ny
n2 416560752432400
n3 8.5019299762098E+21
n4 1.7352286046705E+29
n5 3.5415703480175E+36

Nth Root

y√n
2√n 4517.7228777339
3√n 273.2832778985
4√n 67.214008046938
5√n 28.971290101265

Divisors of 20409820

1, 2, 4, 5, 10, 20, 1020491, 2040982, 4081964, 5102455, 10204910, 20409820

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20409819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20409820 can be divided by 12 positive divisors. The sum of these divisors (counting 20409820) is 1, the average is 0.083333333333333.

Base conversion 20409820

Base System Value
2 Binary 1001101110110110111011100
3 Ternary 1102101221000021
4 Quaternary 1031312313130
5 Quinary 20211103240
6 Senary 2005241524
8 Octal 115666734
10 Decimal 20409820
12 Duodecimal 6a032a4
16 Hexadecimal 1376ddc
20 Vigesimal 67b4b0
36 Base36 c5gbg

Cryptographic Hash Functions

md5 264c7bd13888408f46b719fca35c704f
sha1 f03dd3e3bace686470394d54b5376216a922b3a6
sha256 ed3b83263e338cf25963874c70fdb2ef808ca2597139be00a84d619af702b4e8
sha512 97cccad097b49380bdfcee6840e2c7977a6e586ed051e48f503287dbe3447a03cecd5658b69776d4be841195c23c6155a14a7130f65cb99fdeb8fc3d05cf181a
ripemd-160 c34ed1b72b9384c9c7f40687264cc5a3412ae190

20409820 as geometric shapes

Circle

Radius = n
Diameter 40819640
Circumference 128238681.14618
Area 1.3086641996155E+15

Sphere

Radius = n
Volume 3.5612801006128E+22
Surface area 5.2346567984619E+15
Circumference 128238681.14618

Square

Length = n
Perimeter 81639280
Area 416560752432400
Diagonal 28863844.249594

Cube

Length = n
Surface area 2499364514594400
Volume 8.5019299762098E+21
Space diagonal 35350845.213335

Equilateral Triangle

Length = n
Perimeter 61229460
Area 1.8037609691301E+14
Altitude 17675422.606668

Triangular Pyramid

Length = n
Surface area 1.8037609691301E+14
Volume 1.0019620565585E+21
Height 9621281.4165312