20208985 (number)

20208985 is an odd 8-digits composite number following 20208984 and preceding 20208986. In scientific notation, it is written as 2.0208985 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16147584 positive integers (up to 20208985) that are relatively prime to 20208985.

Interesting facts

Basic properties

Name

Name twenty million two hundred eight thousand nine hundred eighty-five

Notation

Scientific notation 2.0208985 × 10^7
Engineering notation 2.0208985 × 10^6

Prime Factorization of 20208985

Prime Factorization 5 × 3853 × 1049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20208985
Product of the distinct prime numbers

The prime factorization of 20208985 is 5 × 3853 × 1049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20208985)

Multiplication

n×y
n×2 40417970
n×3 60626955
n×4 80835940
n×5 101044925

Division

n÷y
n÷2 10104492.5
n÷3 6736328.3333333
n÷3 5052246.25
n÷5 4041797

Exponentiation

ny
n2 408403074730225
n3 8.253411611177E+21
n4 1.667930714491E+29
n5 3.3707186790188E+36

Nth Root

y√n
2√n 4495.4404678518
3√n 272.38394182419
4√n 67.048045965948
5√n 28.914048176693

Divisors of 20208985

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 -20208984
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 20208985 can be divided by 8 positive divisors. The sum of these divisors (counting 20208985) is 1, the average is 0.125.

Base conversion 20208985

Base System Value
2 Binary 1001101000101110101011001
3 Ternary 1102000201111221
4 Quaternary 1031011311121
5 Quinary 20133141420
6 Senary 2001052041
8 Octal 115056531
10 Decimal 20208985
12 Duodecimal 6927021
16 Hexadecimal 1345d59
20 Vigesimal 666295
36 Base36 c15cp

Cryptographic Hash Functions

md5 047b00b08c0c99fa4546ee3057754675
sha1 fcbb5d6c0310fca27b5944d75583b90ec095cd70
sha256 34d84d5bd2d89830aa5b2fcfdc18f615e9fe3fbdc24b463e47a80d2f07ccf5ca
sha512 d1b17b986b91598f77eb25e0a9a89452f982c40f70c7e4f4405b2dc3050c26e9fbf3f84c6184a3d6826c420670efd4b36cf21e7664b7d80e33cfbdd996c3d240
ripemd-160 b825f854bfaafe8f83d1e839770ae0946bda2f2b

20208985 as geometric shapes

Circle

Radius = n
Diameter 40417970
Circumference 126976797.62501
Area 1.283036099276E+15

Sphere

Radius = n
Volume 3.4571809712968E+22
Surface area 5.1321443971038E+15
Circumference 126976797.62501

Square

Length = n
Perimeter 80835940
Area 408403074730225
Diagonal 28579820.668794

Cube

Length = n
Surface area 2450418448381350
Volume 8.253411611177E+21
Space diagonal 35002988.789397

Equilateral Triangle

Length = n
Perimeter 60626955
Area 1.7684371885002E+14
Altitude 17501494.394699

Triangular Pyramid

Length = n
Surface area 1.7684371885002E+14
Volume 9.7267388636451E+20
Height 9526606.8895981