20197281 (number)

20197281 is an odd 8-digits composite number following 20197280 and preceding 20197282. In scientific notation, it is written as 2.0197281 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12316416 positive integers (up to 20197281) that are relatively prime to 20197281.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-seven thousand two hundred eighty-one

Notation

Scientific notation 2.0197281 × 10^7
Engineering notation 2.0197281 × 10^6

Prime Factorization of 20197281

Prime Factorization 3 × 13 × 113 × 4583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20197281
Product of the distinct prime numbers

The prime factorization of 20197281 is 3 × 13 × 113 × 4583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 62, 1, 636, 715, 5676, 1258, 65586, 81358, 624424, 242908, 3397697, 886270, 14474621, 62890378, 30283069, 827115904, 9355190316, 9068116083

Basic calculations (n = 20197281)

Multiplication

n×y
n×2 40394562
n×3 60591843
n×4 80789124
n×5 100986405

Division

n÷y
n÷2 10098640.5
n÷3 6732427
n÷3 5049320.25
n÷5 4039456.2

Exponentiation

ny
n2 407930159792961
n3 8.2390800657133E+21
n4 1.6640701526871E+29
n5 3.3609692477534E+36

Nth Root

y√n
2√n 4494.1385158893
3√n 272.33134810096
4√n 67.038336165879
5√n 28.910698296005

Divisors of 20197281

1, 3, 13, 39, 113, 339, 1469, 4407, 4583, 13749, 59579, 178737, 517879, 1553637, 6732427, 20197281

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 -20197280
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 20197281 can be divided by 16 positive divisors. The sum of these divisors (counting 20197281) is 1, the average is 0.0625.

Base conversion 20197281

Base System Value
2 Binary 1001101000010111110100001
3 Ternary 1102000010110110
4 Quaternary 1031002332201
5 Quinary 20132303111
6 Senary 2000521533
8 Octal 115027641
10 Decimal 20197281
12 Duodecimal 69202a9
16 Hexadecimal 1342fa1
20 Vigesimal 664d41
36 Base36 c0wbl

Cryptographic Hash Functions

md5 7ed9bb6aac7d97d574f5fd9d28c7b6c3
sha1 f5f1eef6e4d9a62502320ca0b9d10d92a2848628
sha256 935de9fc1f1d1df9698ef27add069f892e451ceea6b0894580deff8064ef9f46
sha512 6461f9b045e1bea63fca59ec4bda2028653a0eb56cd64bd9b7c72d12fa7a250e10ac4ca6bd4ec685720c3bcf9600dbb0981311627499ffe451f1ed02be2d93bf
ripemd-160 7ccca78b51be9be9e07e20797f86fce70b4bfecf

20197281 as geometric shapes

Circle

Radius = n
Diameter 40394562
Circumference 126903259.22418
Area 1.2815503931833E+15

Sphere

Radius = n
Volume 3.4511777875711E+22
Surface area 5.1262015727331E+15
Circumference 126903259.22418

Square

Length = n
Perimeter 80789124
Area 407930159792961
Diagonal 28563268.71326

Cube

Length = n
Surface area 2447580958757766
Volume 8.2390800657133E+21
Space diagonal 34982716.866746

Equilateral Triangle

Length = n
Perimeter 60591843
Area 1.7663894067527E+14
Altitude 17491358.433373

Triangular Pyramid

Length = n
Surface area 1.7663894067527E+14
Volume 9.7098489753413E+20
Height 9521089.5710868