19997831 (number)

19997831 is an odd 8-digits composite number following 19997830 and preceding 19997832. In scientific notation, it is written as 1.9997831 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 16132032 positive integers (up to 19997831) that are relatively prime to 19997831.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand eight hundred thirty-one

Notation

Scientific notation 1.9997831 × 10^7
Engineering notation 1.9997831 × 10^6

Prime Factorization of 19997831

Prime Factorization 49 × 17 × 24007

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19997831
Product of the distinct prime numbers

The prime factorization of 19997831 is 49 × 17 × 24007. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19997831)

Multiplication

n×y
n×2 39995662
n×3 59993493
n×4 79991324
n×5 99989155

Division

n÷y
n÷2 9998915.5
n÷3 6665943.6666667
n÷3 4999457.75
n÷5 3999566.2

Exponentiation

ny
n2 399913244704561
n3 7.9973974822635E+21
n4 1.5993060329013E+29
n5 3.1982651763241E+36

Nth Root

y√n
2√n 4471.8934468522
3√n 271.43194868506
4√n 66.872217301748
5√n 28.853372247774

Divisors of 19997831

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 -19997830
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 19997831 can be divided by 8 positive divisors. The sum of these divisors (counting 19997831) is 1, the average is 0.125.

Base conversion 19997831

Base System Value
2 Binary 1001100010010010010000111
3 Ternary 1101121222212102
4 Quaternary 1030102102013
5 Quinary 20104412311
6 Senary 1552342315
8 Octal 114222207
10 Decimal 19997831
12 Duodecimal 684499b
16 Hexadecimal 1312487
20 Vigesimal 64jebb
36 Base36 bwmfb

Cryptographic Hash Functions

md5 65704ee59cc527aba40bc5bc57c15542
sha1 86a2d7be8d4ad51b988c4cbddaa9b4f74eb1cd11
sha256 571257f5f745fce1d71a18f69cc5de5c6a21d69d113767208399c548692e36e5
sha512 443f31865578340dee89520cce63edca417f751a85fc38beb9d2a424c2e13dc1f6c302deb0964b16509fd05c65bf9f270be265a4f1ef1c4fed582a148d46f266
ripemd-160 bb04d2e8394989aa463752fb82a1dc67ab9bc3c2

19997831 as geometric shapes

Circle

Radius = n
Diameter 39995662
Circumference 125650077.91466
Area 1.2563645116371E+15

Sphere

Radius = n
Volume 3.3499420237489E+22
Surface area 5.0254580465484E+15
Circumference 125650077.91466

Square

Length = n
Perimeter 79991324
Area 399913244704561
Diagonal 28281203.818245

Cube

Length = n
Surface area 2399479468227366
Volume 7.9973974822635E+21
Space diagonal 34637259.333176

Equilateral Triangle

Length = n
Perimeter 59993493
Area 1.7316751461201E+14
Altitude 17318629.666588

Triangular Pyramid

Length = n
Surface area 1.7316751461201E+14
Volume 9.4250233192545E+20
Height 9427067.939415