20679985 (number)

20679985 is an odd 8-digits composite number following 20679984 and preceding 20679986. In scientific notation, it is written as 2.0679985 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 16543984 positive integers (up to 20679985) that are relatively prime to 20679985.

Interesting facts

Basic properties

Name

Name twenty million six hundred seventy-nine thousand nine hundred eighty-five

Notation

Scientific notation 2.0679985 × 10^7
Engineering notation 2.0679985 × 10^6

Prime Factorization of 20679985

Prime Factorization 5 × 4135997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20679985
Product of the distinct prime numbers

The prime factorization of 20679985 is 5 × 4135997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20679985)

Multiplication

n×y
n×2 41359970
n×3 62039955
n×4 82719940
n×5 103399925

Division

n÷y
n÷2 10339992.5
n÷3 6893328.3333333
n÷3 5169996.25
n÷5 4135997

Exponentiation

ny
n2 427661779600225
n3 8.844039187206E+21
n4 1.8289459773083E+29
n5 3.7822575376546E+36

Nth Root

y√n
2√n 4547.5251511124
3√n 274.48381407388
4√n 67.435340520475
5√n 29.047585846477

Divisors of 20679985

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 -20679984
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 20679985 can be divided by 4 positive divisors. The sum of these divisors (counting 20679985) is 1, the average is 0.25.

Base conversion 20679985

Base System Value
2 Binary 1001110111000110100110001
3 Ternary 1102220122121101
4 Quaternary 1032320310301
5 Quinary 20243224420
6 Senary 2015124401
8 Octal 116706461
10 Decimal 20679985
12 Duodecimal 6b13701
16 Hexadecimal 13b8d31
20 Vigesimal 694jj5
36 Base36 cb8s1

Cryptographic Hash Functions

md5 888a946ac9d6f30ee4a28c0c2a42ab86
sha1 4a3d5869ab0152e861566bb4a314ec5d0c00c5ee
sha256 8044a79d04ecf0e477bdaf28ceb6b575c8e62002b4be006869035df50f2b4a78
sha512 610afd6ac83b6fecdd6b7b01eecf5577463cfb23edf8268282987c1ca6ad58e5fc391a886cfb54abfbff99f655e9054df635d7322de9f8fda5f525a7551033d2
ripemd-160 3582fc55266e5be2c62669dd8f2c499b4ae1b1fa

20679985 as geometric shapes

Circle

Radius = n
Diameter 41359970
Circumference 129936177.90469
Area 1.3435391050132E+15

Sphere

Radius = n
Volume 3.7045824718115E+22
Surface area 5.3741564200528E+15
Circumference 129936177.90469

Square

Length = n
Perimeter 82719940
Area 427661779600225
Diagonal 29245915.256672

Cube

Length = n
Surface area 2565970677601350
Volume 8.844039187206E+21
Space diagonal 35818784.719762

Equilateral Triangle

Length = n
Perimeter 62039955
Area 1.8518298268073E+14
Altitude 17909392.359881

Triangular Pyramid

Length = n
Surface area 1.8518298268073E+14
Volume 1.0422800137255E+21
Height 9748638.4188907