20984945 (number)

20984945 is an odd 8-digits composite number following 20984944 and preceding 20984946. In scientific notation, it is written as 2.0984945 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 16557696 positive integers (up to 20984945) that are relatively prime to 20984945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0984945 × 10^7
Engineering notation 2.0984945 × 10^6

Prime Factorization of 20984945

Prime Factorization 5 × 73 × 57493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20984945
Product of the distinct prime numbers

The prime factorization of 20984945 is 5 × 73 × 57493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20984945)

Multiplication

n×y
n×2 41969890
n×3 62954835
n×4 83939780
n×5 104924725

Division

n÷y
n÷2 10492472.5
n÷3 6994981.6666667
n÷3 5246236.25
n÷5 4196989

Exponentiation

ny
n2 440367916653025
n3 9.2410965107283E+21
n4 1.9392390201733E+29
n5 4.069482418019E+36

Nth Root

y√n
2√n 4580.9327652783
3√n 275.82647234744
4√n 67.682588346474
5√n 29.132755705816

Divisors of 20984945

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 -20984944
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 20984945 can be divided by 8 positive divisors. The sum of these divisors (counting 20984945) is 1, the average is 0.125.

Base conversion 20984945

Base System Value
2 Binary 1010000000011010001110001
3 Ternary 1110111010221012
4 Quaternary 1100003101301
5 Quinary 20333004240
6 Senary 2025440305
8 Octal 120032161
10 Decimal 20984945
12 Duodecimal 7040095
16 Hexadecimal 1403471
20 Vigesimal 6b3275
36 Base36 chs35

Cryptographic Hash Functions

md5 2612d3cbca2df98f93c09c3657f06436
sha1 436c79da1765ac4016b5b024daa461b96a0edf85
sha256 3006038f76ae04417a133b655c5be62be1738cf680e73ee1141ca26d4d6fc99e
sha512 3b715dd67b25bae5d9aa2d20cb9cfe3848ca075a2999faddc5b16defbae1174a7abcdccd0eeddbe8514a87787c8a3990944ed202280a109634669c1b5fc282e8
ripemd-160 26f62c4de65e91fae45fc0b3f5a3df25a0a39d38

20984945 as geometric shapes

Circle

Radius = n
Diameter 41969890
Circumference 131852298.09597
Area 1.3834566118338E+15

Sphere

Radius = n
Volume 3.8709014545624E+22
Surface area 5.5338264473351E+15
Circumference 131852298.09597

Square

Length = n
Perimeter 83939780
Area 440367916653025
Diagonal 29677193.824653

Cube

Length = n
Surface area 2642207499918150
Volume 9.2410965107283E+21
Space diagonal 36346990.934038

Equilateral Triangle

Length = n
Perimeter 62954835
Area 1.9068490141657E+14
Altitude 18173495.467019

Triangular Pyramid

Length = n
Surface area 1.9068490141657E+14
Volume 1.0890736680559E+21
Height 9892397.9415512