20954985 (number)

20954985 is an odd 8-digits composite number following 20954984 and preceding 20954986. In scientific notation, it is written as 2.0954985 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11175984 positive integers (up to 20954985) that are relatively prime to 20954985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0954985 × 10^7
Engineering notation 2.0954985 × 10^6

Prime Factorization of 20954985

Prime Factorization 3 × 5 × 1396999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20954985
Product of the distinct prime numbers

The prime factorization of 20954985 is 3 × 5 × 1396999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20954985)

Multiplication

n×y
n×2 41909970
n×3 62864955
n×4 83819940
n×5 104774925

Division

n÷y
n÷2 10477492.5
n÷3 6984995
n÷3 5238746.25
n÷5 4190997

Exponentiation

ny
n2 439111396350225
n3 9.201572723848E+21
n4 1.9281881840464E+29
n5 4.040515447387E+36

Nth Root

y√n
2√n 4577.6615209078
3√n 275.69514491357
4√n 67.658417960427
5√n 29.124432441367

Divisors of 20954985

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 -20954984
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 20954985 can be divided by 8 positive divisors. The sum of these divisors (counting 20954985) is 1, the average is 0.125.

Base conversion 20954985

Base System Value
2 Binary 1001111111011111101101001
3 Ternary 1110102121211120
4 Quaternary 1033323331221
5 Quinary 20331024420
6 Senary 2025045453
8 Octal 117737551
10 Decimal 20954985
12 Duodecimal 7026889
16 Hexadecimal 13fbf69
20 Vigesimal 6aj795
36 Base36 ch4yx

Cryptographic Hash Functions

md5 f1a3ff72f76888f2cf739eeb874420dd
sha1 0641ad3de0bd9f1d009a6129a6f80d855f467954
sha256 c5e6cb25efb2c3bf5841807ad42a3f62f80ebe025fc27b82c9156d6f0f4421d8
sha512 ccae5563d9d5eaff08144473e5d8fe31c231ebc558e84a67a1768e553569ba5ed45aea48c63eb749975191cf1cc66dcaf13f429493a453465f01a7dda7d02c55
ripemd-160 ab7fbfa09c60ae7654d411700b04a74b7972aa70

20954985 as geometric shapes

Circle

Radius = n
Diameter 41909970
Circumference 131664053.86417
Area 1.3795091368814E+15

Sphere

Radius = n
Volume 3.8543457694284E+22
Surface area 5.5180365475257E+15
Circumference 131664053.86417

Square

Length = n
Perimeter 83819940
Area 439111396350225
Diagonal 29634823.986325

Cube

Length = n
Surface area 2634668378101350
Volume 9.201572723848E+21
Space diagonal 36295098.691844

Equilateral Triangle

Length = n
Perimeter 62864955
Area 1.9014081216528E+14
Altitude 18147549.345922

Triangular Pyramid

Length = n
Surface area 1.9014081216528E+14
Volume 1.0844157451024E+21
Height 9878274.6621083