20984955 (number)

20984955 is an odd 8-digits composite number following 20984954 and preceding 20984956. In scientific notation, it is written as 2.0984955 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11191968 positive integers (up to 20984955) that are relatively prime to 20984955.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-four thousand nine hundred fifty-five

Notation

Scientific notation 2.0984955 × 10^7
Engineering notation 2.0984955 × 10^6

Prime Factorization of 20984955

Prime Factorization 5 × 3 × 1398997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20984955
Product of the distinct prime numbers

The prime factorization of 20984955 is 5 × 3 × 1398997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20984955)

Multiplication

n×y
n×2 41969910
n×3 62954865
n×4 83939820
n×5 104924775

Division

n÷y
n÷2 10492477.5
n÷3 6994985
n÷3 5246238.75
n÷5 4196991

Exponentiation

ny
n2 440368336352025
n3 9.2411097217721E+21
n4 1.9392427166145E+29
n5 4.0694921142233E+36

Nth Root

y√n
2√n 4580.9338567589
3√n 275.82651616083
4√n 67.682596409704
5√n 29.132758482354

Divisors of 20984955

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20984954
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20984955 can be divided by 8 positive divisors. The sum of these divisors (counting 20984955) is 1, the average is 0.125.

Base conversion 20984955

Base System Value
2 Binary 1010000000011010001111011
3 Ternary 1110111010221120
4 Quaternary 1100003101323
5 Quinary 20333004310
6 Senary 2025440323
8 Octal 120032173
10 Decimal 20984955
12 Duodecimal 70400a3
16 Hexadecimal 140347b
20 Vigesimal 6b327f
36 Base36 chs3f

Cryptographic Hash Functions

md5 dba773502532d6c7aeb463c7f2a9c1fe
sha1 d5accba81ec9027837c64dc38c01131f54fe719a
sha256 8037848ff4b7da17e16af78828a3ec6b62f21331d54c2ab6ad65535f2f22402f
sha512 3df6874fbf6d6cd814e0f8a2d132fefed082c37a86c8dd882eca7fad1e4f71bc1c459f9d3aee1a0ec4fcb54f950cfda4bd7e512094861da519702bdc1f2d086b
ripemd-160 e5659dc3828e5cb0a7bf361c374ce60c18e0b62e

20984955 as geometric shapes

Circle

Radius = n
Diameter 41969910
Circumference 131852360.92782
Area 1.3834579303571E+15

Sphere

Radius = n
Volume 3.8709069883915E+22
Surface area 5.5338317214283E+15
Circumference 131852360.92782

Square

Length = n
Perimeter 83939820
Area 440368336352025
Diagonal 29677207.966789

Cube

Length = n
Surface area 2642210018112150
Volume 9.2411097217721E+21
Space diagonal 36347008.254547

Equilateral Triangle

Length = n
Perimeter 62954865
Area 1.9068508315157E+14
Altitude 18173504.127273

Triangular Pyramid

Length = n
Surface area 1.9068508315157E+14
Volume 1.0890752249923E+21
Height 9892402.6555964