19997844 (number)

19997844 is an even 8-digits composite number following 19997843 and preceding 19997845. In scientific notation, it is written as 1.9997844 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors. There are 6665944 positive integers (up to 19997844) that are relatively prime to 19997844.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand eight hundred forty-four

Notation

Scientific notation 1.9997844 × 10^7
Engineering notation 1.9997844 × 10^6

Prime Factorization of 19997844

Prime Factorization 2 × 2 × 3 × 1666487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9998922
Product of the distinct prime numbers

The prime factorization of 19997844 is 2 × 2 × 3 × 1666487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 83, 47, 125, 316, 2564, 6632, 49535, 66194, 922700, 366708, 4256337, 366640, 23530401, 36517497, 327109315, 552957120, 8592525210, 2180287500

Basic calculations (n = 19997844)

Multiplication

n×y
n×2 39995688
n×3 59993532
n×4 79991376
n×5 99989220

Division

n÷y
n÷2 9998922
n÷3 6665948
n÷3 4999461
n÷5 3999568.8

Exponentiation

ny
n2 399913764648336
n3 7.9974130788901E+21
n4 1.599310191552E+29
n5 3.1982755718268E+36

Nth Root

y√n
2√n 4471.894900375
3√n 271.43200750168
4√n 66.87222816966
5√n 28.853375999118

Divisors of 19997844

1, 2, 3, 4, 6, 12, 1666487, 3332974, 4999461, 6665948, 9998922, 19997844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19997843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997844 can be divided by 12 positive divisors. The sum of these divisors (counting 19997844) is 1, the average is 0.083333333333333.

Base conversion 19997844

Base System Value
2 Binary 1001100010010010010010100
3 Ternary 1101121222212220
4 Quaternary 1030102102110
5 Quinary 20104412334
6 Senary 1552342340
8 Octal 114222224
10 Decimal 19997844
12 Duodecimal 68449b0
16 Hexadecimal 1312494
20 Vigesimal 64jec4
36 Base36 bwmfo

Cryptographic Hash Functions

md5 a1c01214c1ea722346cf04a272e6896a
sha1 4d7e47abd7cf64c511ff818d4dbd72fb30fbf087
sha256 60b1c2577991db4eddb0b9cdccd0ec0b52d16d88f0298fcc1b03f523712adb47
sha512 da014bd5606d0b54bfb0511d68189daf36b99fb96e6e711e185a7b062ee27bfcd8a9ae64e0c06a1a56cc14bfecb2695aebe15e49488ceded260f1a7c3259e8d6
ripemd-160 8de9c04b0da13ab3762cdda5f1bf27ed9e77b4f8

19997844 as geometric shapes

Circle

Radius = n
Diameter 39995688
Circumference 125650159.59607
Area 1.2563661450886E+15

Sphere

Radius = n
Volume 3.3499485568486E+22
Surface area 5.0254645803546E+15
Circumference 125650159.59607

Square

Length = n
Perimeter 79991376
Area 399913764648336
Diagonal 28281222.203021

Cube

Length = n
Surface area 2399482587890016
Volume 7.9974130788901E+21
Space diagonal 34637281.849836

Equilateral Triangle

Length = n
Perimeter 59993532
Area 1.7316773975427E+14
Altitude 17318640.924918

Triangular Pyramid

Length = n
Surface area 1.7316773975427E+14
Volume 9.4250417000553E+20
Height 9427074.0676738