20797931 (number)

20797931 is an odd 8-digits composite number following 20797930 and preceding 20797932. In scientific notation, it is written as 2.0797931 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 15681600 positive integers (up to 20797931) that are relatively prime to 20797931.

Interesting facts

Basic properties

Name

Name twenty million seven hundred ninety-seven thousand nine hundred thirty-one

Notation

Scientific notation 2.0797931 × 10^7
Engineering notation 2.0797931 × 10^6

Prime Factorization of 20797931

Prime Factorization 77 × 31 × 8713

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20797931
Product of the distinct prime numbers

The prime factorization of 20797931 is 77 × 31 × 8713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20797931)

Multiplication

n×y
n×2 41595862
n×3 62393793
n×4 83191724
n×5 103989655

Division

n÷y
n÷2 10398965.5
n÷3 6932643.6666667
n÷3 5199482.75
n÷5 4159586.2

Exponentiation

ny
n2 432553933880761
n3 8.9962268706306E+21
n4 1.8710290571572E+29
n5 3.8913533229751E+36

Nth Root

y√n
2√n 4560.4748656253
3√n 275.00465446668
4√n 67.531288049506
5√n 29.080644450437

Divisors of 20797931

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 -20797930
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 20797931 can be divided by 8 positive divisors. The sum of these divisors (counting 20797931) is 1, the average is 0.125.

Base conversion 20797931

Base System Value
2 Binary 1001111010101100111101011
3 Ternary 1110010122101202
4 Quaternary 1033111213223
5 Quinary 20311013211
6 Senary 2021434415
8 Octal 117254753
10 Decimal 20797931
12 Duodecimal 6b6ba0b
16 Hexadecimal 13d59eb
20 Vigesimal 69jegb
36 Base36 cdrsb

Cryptographic Hash Functions

md5 21ec8722ca2340ce702d2f514453abce
sha1 0c42bd33c17f71c256bd3727dd1912716e4d4ab1
sha256 8231c4af2c90e7981047b216b2b3f6778821b158a4bced77053d49a93ccd6c0c
sha512 aafb9e12881cce8b598f339dfb75693e3dc4ab7f0d007672934d543cda79abdad51c2faaafa51fb9c23fe94ccf1158176561bb57bca2b7debd852537c7089cd8
ripemd-160 3a4d1d9f227a275765b7d4e2003b1f3f9222181b

20797931 as geometric shapes

Circle

Radius = n
Diameter 41595862
Circumference 130677254.47893
Area 1.3589082609612E+15

Sphere

Radius = n
Volume 3.7683306995734E+22
Surface area 5.4356330438447E+15
Circumference 130677254.47893

Square

Length = n
Perimeter 83191724
Area 432553933880761
Diagonal 29412716.0895

Cube

Length = n
Surface area 2595323603284566
Volume 8.9962268706306E+21
Space diagonal 36023073.184312

Equilateral Triangle

Length = n
Perimeter 62393793
Area 1.8730134762382E+14
Altitude 18011536.592156

Triangular Pyramid

Length = n
Surface area 1.8730134762382E+14
Volume 1.0602155042193E+21
Height 9804238.6964999