20990807 (number)

20990807 is an odd 8-digits composite number following 20990806 and preceding 20990808. In scientific notation, it is written as 2.0990807 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20839656 positive integers (up to 20990807) that are relatively prime to 20990807.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand eight hundred seven

Notation

Scientific notation 2.0990807 × 10^7
Engineering notation 2.0990807 × 10^6

Prime Factorization of 20990807

Prime Factorization 139 × 151013

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20990807
Product of the distinct prime numbers

The prime factorization of 20990807 is 139 × 151013. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20990807)

Multiplication

n×y
n×2 41981614
n×3 62972421
n×4 83963228
n×5 104954035

Division

n÷y
n÷2 10495403.5
n÷3 6996935.6666667
n÷3 5247701.75
n÷5 4198161.4

Exponentiation

ny
n2 440613978511249
n3 9.2488429844318E+21
n4 1.9414067805951E+29
n5 4.0751695039963E+36

Nth Root

y√n
2√n 4581.5725466263
3√n 275.8521533654
4√n 67.687314517761
5√n 29.134383130954

Divisors of 20990807

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20990806
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20990807 can be divided by 4 positive divisors. The sum of these divisors (counting 20990807) is 1, the average is 0.25.

Base conversion 20990807

Base System Value
2 Binary 1010000000100101101010111
3 Ternary 1110111102222022
4 Quaternary 1100010231113
5 Quinary 20333201212
6 Senary 2025523355
8 Octal 120045527
10 Decimal 20990807
12 Duodecimal 704355b
16 Hexadecimal 1404b57
20 Vigesimal 6b3h07
36 Base36 chwlz

Cryptographic Hash Functions

md5 9aa034f552bd402b1f96ff26cf136eb8
sha1 1fb0c8b6486b214df7c18803ef307b7d383289f0
sha256 4f5de0b968e43d960304ed4bb752d9034acac9e25b8d09529e08a0ff3ff26df5
sha512 090afdc9d22a7ffda8fb358cfafa9795b08964697c64da2c34956a136ccb1e09e8dcac391915b2b835fbe07bb7dde6105f7c9ccabc3f9a05cf38cb190ab2f732
ripemd-160 8e91712342f97860d680414340f1e99e73ecd740

20990807 as geometric shapes

Circle

Radius = n
Diameter 41981614
Circumference 131889130.12824
Area 1.3842296379599E+15

Sphere

Radius = n
Volume 3.8741462898795E+22
Surface area 5.5369185518396E+15
Circumference 131889130.12824

Square

Length = n
Perimeter 83963228
Area 440613978511249
Diagonal 29685483.944556

Cube

Length = n
Surface area 2643683871067494
Volume 9.2488429844318E+21
Space diagonal 36357144.215872

Equilateral Triangle

Length = n
Perimeter 62972421
Area 1.9079144932664E+14
Altitude 18178572.107936

Triangular Pyramid

Length = n
Surface area 1.9079144932664E+14
Volume 1.0899865987369E+21
Height 9895161.314852