19997986 (number)

19997986 is an even 8-digits composite number following 19997985 and preceding 19997987. In scientific notation, it is written as 1.9997986 × 10^7. The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors. There are 9992628 positive integers (up to 19997986) that are relatively prime to 19997986.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand nine hundred eighty-six

Notation

Scientific notation 1.9997986 × 10^7
Engineering notation 1.9997986 × 10^6

Prime Factorization of 19997986

Prime Factorization 2 × 3547 × 2819

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19997986
Product of the distinct prime numbers

The prime factorization of 19997986 is 2 × 3547 × 2819. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19997986)

Multiplication

n×y
n×2 39995972
n×3 59993958
n×4 79991944
n×5 99989930

Division

n÷y
n÷2 9998993
n÷3 6665995.3333333
n÷3 4999496.5
n÷5 3999597.2

Exponentiation

ny
n2 399919444056196
n3 7.9975834433636E+21
n4 1.5993556173422E+29
n5 3.198389124463E+36

Nth Root

y√n
2√n 4471.9107772853
3√n 271.4326499585
4√n 66.872346880345
5√n 28.853416975213

Divisors of 19997986

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 -19997985
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 19997986 can be divided by 8 positive divisors. The sum of these divisors (counting 19997986) is 1, the average is 0.125.

Base conversion 19997986

Base System Value
2 Binary 1001100010010010100100010
3 Ternary 1101122000002011
4 Quaternary 1030102110202
5 Quinary 20104413421
6 Senary 1552343134
8 Octal 114222442
10 Decimal 19997986
12 Duodecimal 6844aaa
16 Hexadecimal 1312522
20 Vigesimal 64jej6
36 Base36 bwmjm

Cryptographic Hash Functions

md5 188588aa4c6d6bbe5aeb97b9e88ab6fc
sha1 c58bdcbf0098d41ce8dbab911f4f115f89729595
sha256 7451d3849a4d0a2f79ae4ff0c80e46f7e9bd10c443a69ea2fde02d834f9803c7
sha512 af5dbd8ebce83b5975d18fb1976849c52a4e1dc593c0b092f9d50b86bd32c5eef3c1d14a7160d432414ff6d629027eb27f52f7f436a2292b4b1b7018726219aa
ripemd-160 c2f93fa6f6bee146e2233eef5c903972cbd61746

19997986 as geometric shapes

Circle

Radius = n
Diameter 39995972
Circumference 125651051.80838
Area 1.2563839874747E+15

Sphere

Radius = n
Volume 3.3500199189523E+22
Surface area 5.0255359498986E+15
Circumference 125651051.80838

Square

Length = n
Perimeter 79991944
Area 399919444056196
Diagonal 28281423.021347

Cube

Length = n
Surface area 2399516664337176
Volume 7.9975834433636E+21
Space diagonal 34637527.801051

Equilateral Triangle

Length = n
Perimeter 59993958
Area 1.7317019901001E+14
Altitude 17318763.900526

Triangular Pyramid

Length = n
Surface area 1.7317019901001E+14
Volume 9.4252424765128E+20
Height 9427141.0071158