20808840 (number)

20808840 is an even 8-digits composite number following 20808839 and preceding 20808841. In scientific notation, it is written as 2.0808840 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 5121792 positive integers (up to 20808840) that are relatively prime to 20808840.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand eight hundred forty

Notation

Scientific notation 2.0808840 × 10^7
Engineering notation 2.0808840 × 10^6

Prime Factorization of 20808840

Prime Factorization 2 × 2 × 2 × 13 × 15 × 13339

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5202210
Product of the distinct prime numbers

The prime factorization of 20808840 is 2 × 2 × 2 × 13 × 15 × 13339. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 5, 71, 62, 509, 279, 3055, 8718, 33664, 7441, 417243, 728180, 6772882, 5604117, 65814443, 43024738, 928218278, 938908321, 6253224909, 9952420478

Basic calculations (n = 20808840)

Multiplication

n×y
n×2 41617680
n×3 62426520
n×4 83235360
n×5 104044200

Division

n÷y
n÷2 10404420
n÷3 6936280
n÷3 5202210
n÷5 4161768

Exponentiation

ny
n2 433007822145600
n3 9.0103904897762E+21
n4 1.8749577403928E+29
n5 3.9015695626594E+36

Nth Root

y√n
2√n 4561.6707465577
3√n 275.05272818132
4√n 67.540141742209
5√n 29.08369450586

Divisors of 20808840

1, 2, 4, 8, 13, 15, 26, 30, 52, 60, 104, 120, 195, 390, 780, 1560, 13339, 26678, 53356, 106712, 173407, 200085, 346814, 400170, 693628, 800340, 1387256, 1600680, 2601105, 5202210, 10404420, 20808840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808840 can be divided by 32 positive divisors. The sum of these divisors (counting 20808840) is 1, the average is 0.03125.

Base conversion 20808840

Base System Value
2 Binary 1001111011000010010001000
3 Ternary 1110011012100210
4 Quaternary 1033120102020
5 Quinary 20311340330
6 Senary 2022001120
8 Octal 117302210
10 Decimal 20808840
12 Duodecimal 6b761a0
16 Hexadecimal 13d8488
20 Vigesimal 6a1220
36 Base36 ce07c

Cryptographic Hash Functions

md5 c9ef782353737acf03f84df1b19c69f9
sha1 0b813a650f92d55e626108435df997d7a91250d6
sha256 3128fafb9c98daddd61b5aa37fa4b5502c2b868bd55848b476515bb14bda0386
sha512 5835bda67eaa3a63f8cd8cdd951f9ab1ed00f776e74a35813136e52a1812192fa061d202c8c3a0eeab725ee40f828ab3c70d170772d0f3f19b604a11d3e45136
ripemd-160 2b9aa931e858c5cf06abf488887933ce09a034b1

20808840 as geometric shapes

Circle

Radius = n
Diameter 41617680
Circumference 130745797.74745
Area 1.3603341929995E+15

Sphere

Radius = n
Volume 3.7742635424875E+22
Surface area 5.4413367719981E+15
Circumference 130745797.74745

Square

Length = n
Perimeter 83235360
Area 433007822145600
Diagonal 29428143.745252

Cube

Length = n
Surface area 2598046932873600
Volume 9.0103904897762E+21
Space diagonal 36041968.126572

Equilateral Triangle

Length = n
Perimeter 62426520
Area 1.8749788700773E+14
Altitude 18020984.063286

Triangular Pyramid

Length = n
Surface area 1.8749788700773E+14
Volume 1.0618847027433E+21
Height 9809381.2484173