19997842 (number)

19997842 is an even 8-digits composite number following 19997841 and preceding 19997843. In scientific notation, it is written as 1.9997842 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 9270288 positive integers (up to 19997842) that are relatively prime to 19997842.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9997842 × 10^7
Engineering notation 1.9997842 × 10^6

Prime Factorization of 19997842

Prime Factorization 2 × 19 × 47 × 11197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19997842
Product of the distinct prime numbers

The prime factorization of 19997842 is 2 × 19 × 47 × 11197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 93, 50, 700, 230, 3332, 1171, 28178, 87508, 275084, 29609, 3450453, 5406165, 77747541, 70395763, 780735742, 397256233, 7873500810, 3675950940

Basic calculations (n = 19997842)

Multiplication

n×y
n×2 39995684
n×3 59993526
n×4 79991368
n×5 99989210

Division

n÷y
n÷2 9998921
n÷3 6665947.3333333
n÷3 4999460.5
n÷5 3999568.4

Exponentiation

ny
n2 399913684656964
n3 7.9974106794078E+21
n4 1.5993095517591E+29
n5 3.1982739725169E+36

Nth Root

y√n
2√n 4471.8946767562
3√n 271.43199845297
4√n 66.872226497674
5√n 28.853375421989

Divisors of 19997842

1, 2, 19, 38, 47, 94, 893, 1786, 11197, 22394, 212743, 425486, 526259, 1052518, 9998921, 19997842

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19997841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997842 can be divided by 16 positive divisors. The sum of these divisors (counting 19997842) is 1, the average is 0.0625.

Base conversion 19997842

Base System Value
2 Binary 1001100010010010010010010
3 Ternary 1101121222212211
4 Quaternary 1030102102102
5 Quinary 20104412332
6 Senary 1552342334
8 Octal 114222222
10 Decimal 19997842
12 Duodecimal 68449aa
16 Hexadecimal 1312492
20 Vigesimal 64jec2
36 Base36 bwmfm

Cryptographic Hash Functions

md5 c2276de78b9e0fe79905cca0de026bb9
sha1 e6f7382e4c62b70f570525ca2731c4117812f0e4
sha256 fe63c757e2339abed0af55ee8de07a108ad1a4a5ad15f44a4e4f091616b03cf8
sha512 6d438924baeb85b5cee7eb70136a8f9369eeea943cf718ab47357bd01e19c50b02d7981a97cec95d44077d09becf9520da47cfb75bce780e6391c0fb21049272
ripemd-160 5083af9e4fe91d32f4feb5983c6ece735c423a1e

19997842 as geometric shapes

Circle

Radius = n
Diameter 39995684
Circumference 125650147.0297
Area 1.2563658937883E+15

Sphere

Radius = n
Volume 3.3499475517557E+22
Surface area 5.0254635751534E+15
Circumference 125650147.0297

Square

Length = n
Perimeter 79991368
Area 399913684656964
Diagonal 28281219.374594

Cube

Length = n
Surface area 2399482107941784
Volume 7.9974106794078E+21
Space diagonal 34637278.385735

Equilateral Triangle

Length = n
Perimeter 59993526
Area 1.7316770511698E+14
Altitude 17318639.192867

Triangular Pyramid

Length = n
Surface area 1.7316770511698E+14
Volume 9.4250388722383E+20
Height 9427073.1248648