19946987 (number)

19946987 is an odd 8-digits composite number following 19946986 and preceding 19946988. In scientific notation, it is written as 1.9946987 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 19932720 positive integers (up to 19946987) that are relatively prime to 19946987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9946987 × 10^7
Engineering notation 1.9946987 × 10^6

Prime Factorization of 19946987

Prime Factorization 1571 × 12697

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19946987
Product of the distinct prime numbers

The prime factorization of 19946987 is 1571 × 12697. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19946987)

Multiplication

n×y
n×2 39893974
n×3 59840961
n×4 79787948
n×5 99734935

Division

n÷y
n÷2 9973493.5
n÷3 6648995.6666667
n÷3 4986746.75
n÷5 3989397.4

Exponentiation

ny
n2 397882290378169
n3 7.9365528737036E+21
n4 1.5831031699658E+29
n5 3.1578138350966E+36

Nth Root

y√n
2√n 4466.2049885781
3√n 271.20171707449
4√n 66.829671468429
5√n 28.838685504152

Divisors of 19946987

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 -19946986
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 19946987 can be divided by 4 positive divisors. The sum of these divisors (counting 19946987) is 1, the average is 0.25.

Base conversion 19946987

Base System Value
2 Binary 1001100000101110111101011
3 Ternary 1101112102010022
4 Quaternary 1030011313223
5 Quinary 20101300422
6 Senary 1551311055
8 Octal 114056753
10 Decimal 19946987
12 Duodecimal 681b48b
16 Hexadecimal 1305deb
20 Vigesimal 64d797
36 Base36 bvj6z

Cryptographic Hash Functions

md5 a1e2740fa9cea6006e170ec1b76839b6
sha1 2049a62185b87d5862f46143c61a880a64af8736
sha256 066fc79430e472205fa2ecc6d488b9928541c22bf726f9ff6de2e3c7723f7647
sha512 7fa58f89dd25163eaf98df5ded0a673821de676663fa592e72d0325a4d60a5ff5e8487b08c234b60d7a756a31908a0f0b95eef5accaeed0ada8f19965e1a8ba4
ripemd-160 64582bb98dc4989fc30414e636da4a3ae19e44ab

19946987 as geometric shapes

Circle

Radius = n
Diameter 39893974
Circumference 125330615.6409
Area 1.2499840804455E+15

Sphere

Radius = n
Volume 3.3244554937139E+22
Surface area 4.9999363217821E+15
Circumference 125330615.6409

Square

Length = n
Perimeter 79787948
Area 397882290378169
Diagonal 28209299.54388

Cube

Length = n
Surface area 2387293742269014
Volume 7.9365528737036E+21
Space diagonal 34549194.941916

Equilateral Triangle

Length = n
Perimeter 59840961
Area 1.7228808559172E+14
Altitude 17274597.470958

Triangular Pyramid

Length = n
Surface area 1.7228808559172E+14
Volume 9.3533172604023E+20
Height 9403099.8479599