20991298 (number)

20991298 is an even 8-digits composite number following 20991297 and preceding 20991299. In scientific notation, it is written as 2.0991298 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10495648 positive integers (up to 20991298) that are relatively prime to 20991298.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand two hundred ninety-eight

Notation

Scientific notation 2.0991298 × 10^7
Engineering notation 2.0991298 × 10^6

Prime Factorization of 20991298

Prime Factorization 2 × 10495649

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20991298
Product of the distinct prime numbers

The prime factorization of 20991298 is 2 × 10495649. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20991298)

Multiplication

n×y
n×2 41982596
n×3 62973894
n×4 83965192
n×5 104956490

Division

n÷y
n÷2 10495649
n÷3 6997099.3333333
n÷3 5247824.5
n÷5 4198259.6

Exponentiation

ny
n2 440634591724804
n3 9.2494920240037E+21
n4 1.9415884342448E+29
n5 4.0756461416587E+36

Nth Root

y√n
2√n 4581.6261305349
3√n 275.85430418554
4√n 67.687710336034
5√n 29.13451942727

Divisors of 20991298

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 -20991297
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 20991298 can be divided by 4 positive divisors. The sum of these divisors (counting 20991298) is 1, the average is 0.25.

Base conversion 20991298

Base System Value
2 Binary 1010000000100110101000010
3 Ternary 1110111110122111
4 Quaternary 1100010311002
5 Quinary 20333210143
6 Senary 2025525534
8 Octal 120046502
10 Decimal 20991298
12 Duodecimal 70438aa
16 Hexadecimal 1404d42
20 Vigesimal 6b3i4i
36 Base36 chwzm

Cryptographic Hash Functions

md5 e7a315dcc5586d821a49f56ea83aa296
sha1 b291201f3ba540b0a156fcaffbe412fd9d4bcfe1
sha256 d304d421efaf2b4da42db341ce7ef10801f3fbe6f67af63862ce24a55bddf7f8
sha512 d79ffe811b5f5dc4fef745fecfc07914c4b39af3f4087212fc64d6e22e92f398be58fab77f4b87c7a58a42f62e67ea1f0819a58b1ea61b954e6d1b1b659a5c50
ripemd-160 2963d9f03aa0cb27973edccad906fe982b81d9e4

20991298 as geometric shapes

Circle

Radius = n
Diameter 41982596
Circumference 131892215.17223
Area 1.3842943962802E+15

Sphere

Radius = n
Volume 3.8744181589397E+22
Surface area 5.5371775851207E+15
Circumference 131892215.17223

Square

Length = n
Perimeter 83965192
Area 440634591724804
Diagonal 29686178.323415

Cube

Length = n
Surface area 2643807550348824
Volume 9.2494920240037E+21
Space diagonal 36357994.652819

Equilateral Triangle

Length = n
Perimeter 62973894
Area 1.9080037510993E+14
Altitude 18178997.326409

Triangular Pyramid

Length = n
Surface area 1.9080037510993E+14
Volume 1.090063088784E+21
Height 9895392.7744717