20454985 (number)

20454985 is an odd 8-digits composite number following 20454984 and preceding 20454986. In scientific notation, it is written as 2.0454985 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 16363984 positive integers (up to 20454985) that are relatively prime to 20454985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0454985 × 10^7
Engineering notation 2.0454985 × 10^6

Prime Factorization of 20454985

Prime Factorization 5 × 4090997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20454985
Product of the distinct prime numbers

The prime factorization of 20454985 is 5 × 4090997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20454985)

Multiplication

n×y
n×2 40909970
n×3 61364955
n×4 81819940
n×5 102274925

Division

n÷y
n÷2 10227492.5
n÷3 6818328.3333333
n÷3 5113746.25
n÷5 4090997

Exponentiation

ny
n2 418406411350225
n3 8.5584968680727E+21
n4 1.7506392505897E+29
n5 3.5809299611224E+36

Nth Root

y√n
2√n 4522.7187619838
3√n 273.48471272924
4√n 67.2511617891
5√n 28.984100911244

Divisors of 20454985

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 -20454984
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 20454985 can be divided by 4 positive divisors. The sum of these divisors (counting 20454985) is 1, the average is 0.25.

Base conversion 20454985

Base System Value
2 Binary 1001110000001111001001001
3 Ternary 1102111012222001
4 Quaternary 1032001321021
5 Quinary 20214024420
6 Senary 2010231001
8 Octal 116017111
10 Decimal 20454985
12 Duodecimal 6a25461
16 Hexadecimal 1381e49
20 Vigesimal 67gh95
36 Base36 c6f61

Cryptographic Hash Functions

md5 0bb01efbbc8834de1f7bc5f5f61e3c4b
sha1 7522322af2278edcb0c9d357982d4ce5b0fd9a2c
sha256 a3436a4266c35d2f02598348f78a6faf42c7a215b82d298ca6a3ac65be53e7b9
sha512 97ca34d853413b85fa07147d7ae1a87d2832370bc2f9815bb422436f9ebe1de236d04ccb164bea0efa249739d0d97f4ce779e9b04b8450b8d3fbdd63c79597a8
ripemd-160 bbc0ab464dc303c8b7c128a59cb5eb3ac2cee3f2

20454985 as geometric shapes

Circle

Radius = n
Diameter 40909970
Circumference 128522461.21058
Area 1.3144625081127E+15

Sphere

Radius = n
Volume 3.5849747848678E+22
Surface area 5.2578500324509E+15
Circumference 128522461.21058

Square

Length = n
Perimeter 81819940
Area 418406411350225
Diagonal 28927717.205138

Cube

Length = n
Surface area 2510438468101350
Volume 8.5584968680727E+21
Space diagonal 35429073.288059

Equilateral Triangle

Length = n
Perimeter 61364955
Area 1.8117529066779E+14
Altitude 17714536.64403

Triangular Pyramid

Length = n
Surface area 1.8117529066779E+14
Volume 1.0086285286963E+21
Height 9642572.4017127