20407840 (number)

20407840 is an even 8-digits composite number following 20407839 and preceding 20407841. In scientific notation, it is written as 2.0407840 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors. There are 8163072 positive integers (up to 20407840) that are relatively prime to 20407840.

Interesting facts

Basic properties

Name

Name twenty million four hundred seven thousand eight hundred forty

Notation

Scientific notation 2.0407840 × 10^7
Engineering notation 2.0407840 × 10^6

Prime Factorization of 20407840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 127549

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1275490
Product of the distinct prime numbers

The prime factorization of 20407840 is 2 × 2 × 2 × 2 × 2 × 5 × 127549. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20407840)

Multiplication

n×y
n×2 40815680
n×3 61223520
n×4 81631360
n×5 102039200

Division

n÷y
n÷2 10203920
n÷3 6802613.3333333
n÷3 5101960
n÷5 4081568

Exponentiation

ny
n2 416479933465600
n3 8.4994558453766E+21
n4 1.7345553497951E+29
n5 3.5398528049763E+36

Nth Root

y√n
2√n 4517.5037354716
3√n 273.27444034892
4√n 67.212377844201
5√n 28.970727966171

Divisors of 20407840

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20407839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20407840 can be divided by 24 positive divisors. The sum of these divisors (counting 20407840) is 1, the average is 0.041666666666667.

Base conversion 20407840

Base System Value
2 Binary 1001101110110011000100000
3 Ternary 1102101211021221
4 Quaternary 1031312120200
5 Quinary 20211022330
6 Senary 2005224424
8 Octal 115663040
10 Decimal 20407840
12 Duodecimal 6a02114
16 Hexadecimal 1376620
20 Vigesimal 67ajc0
36 Base36 c5esg

Cryptographic Hash Functions

md5 cc8df01dd0bd1104b5da4a38d5233358
sha1 368546df8f0a2a7fe554446656310e36cab232a8
sha256 e8901ab995ec04a73953623f46e0dabb39d0fc8ae79a655eac14e6faecfaf4b9
sha512 8c95b94637f6348c0bdb0ed95538317370b3eccea3024dbab3d4d0c56bf46870a702e299d422f812ba224c3d2c2550d151a4b297371978eb15f7cb67fda1d766
ripemd-160 4c3354e4f6b79f14d04d06c427485df74cd13ba5

20407840 as geometric shapes

Circle

Radius = n
Diameter 40815680
Circumference 128226240.43927
Area 1.3084102993431E+15

Sphere

Radius = n
Volume 3.5602437391128E+22
Surface area 5.2336411973724E+15
Circumference 128226240.43927

Square

Length = n
Perimeter 81631360
Area 416479933465600
Diagonal 28861044.10674

Cube

Length = n
Surface area 2498879600793600
Volume 8.4994558453766E+21
Space diagonal 35347415.752736

Equilateral Triangle

Length = n
Perimeter 61223520
Area 1.8034110127383E+14
Altitude 17673707.876368

Triangular Pyramid

Length = n
Surface area 1.8034110127383E+14
Volume 1.0016704774436E+21
Height 9620348.03558