19997943 (number)

19997943 is an odd 8-digits composite number following 19997942 and preceding 19997944. In scientific notation, it is written as 1.9997943 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 11401920 positive integers (up to 19997943) that are relatively prime to 19997943.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand nine hundred forty-three

Notation

Scientific notation 1.9997943 × 10^7
Engineering notation 1.9997943 × 10^6

Prime Factorization of 19997943

Prime Factorization 3 × 7 × 643 × 1481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19997943
Product of the distinct prime numbers

The prime factorization of 19997943 is 3 × 7 × 643 × 1481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 24, 35, 586, 156, 92, 4905, 46647, 96632, 194334, 967274, 506506, 2473204, 64647841, 36782420, 95896146, 997912728, 6407462151, 6782636857

Basic calculations (n = 19997943)

Multiplication

n×y
n×2 39995886
n×3 59993829
n×4 79991772
n×5 99989715

Division

n÷y
n÷2 9998971.5
n÷3 6665981
n÷3 4999485.75
n÷5 3999588.6

Exponentiation

ny
n2 399917724231249
n3 7.9975318538662E+21
n4 1.599341861543E+29
n5 3.1983547384651E+36

Nth Root

y√n
2√n 4471.9059694944
3√n 271.43245541204
4√n 66.87231093281
5√n 28.853404566984

Divisors of 19997943

1, 3, 7, 21, 643, 1481, 1929, 4443, 4501, 10367, 13503, 31101, 952283, 2856849, 6665981, 19997943

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 -19997942
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 19997943 can be divided by 16 positive divisors. The sum of these divisors (counting 19997943) is 1, the average is 0.0625.

Base conversion 19997943

Base System Value
2 Binary 1001100010010010011110111
3 Ternary 1101122000000120
4 Quaternary 1030102103313
5 Quinary 20104413233
6 Senary 1552343023
8 Octal 114222367
10 Decimal 19997943
12 Duodecimal 6844a73
16 Hexadecimal 13124f7
20 Vigesimal 64jeh3
36 Base36 bwmif

Cryptographic Hash Functions

md5 d6e2a0ad5660b1ec00ced3d5956353d4
sha1 90c6c15a4bfcfbb00a9ad36a8457cab9f2f0ad46
sha256 14d3e365d915a39ebd70c94cd17a2d7fa0ec9874a89a1af7b386dfe308b2c703
sha512 1e91155a69b4eb7ad0938ce0f4ebb91ffa9238affcaf2b0fd3a4307692233bf7eed31fc30aa20c3b8ba6459ca3e73f8f2309231352da2f2724c2764d1c2806a9
ripemd-160 802b0913d7e555ea545308f1b94ec05bc1e75f03

19997943 as geometric shapes

Circle

Radius = n
Diameter 39995886
Circumference 125650781.63141
Area 1.2563785844852E+15

Sphere

Radius = n
Volume 3.3499983091942E+22
Surface area 5.025514337941E+15
Circumference 125650781.63141

Square

Length = n
Perimeter 79991772
Area 399917724231249
Diagonal 28281362.210164

Cube

Length = n
Surface area 2399506345387494
Volume 7.9975318538662E+21
Space diagonal 34637453.322866

Equilateral Triangle

Length = n
Perimeter 59993829
Area 1.7316945430396E+14
Altitude 17318726.661433

Triangular Pyramid

Length = n
Surface area 1.7316945430396E+14
Volume 9.4251816777071E+20
Height 9427120.7367214