20731257 (number)

20731257 is an odd 8-digits composite number following 20731256 and preceding 20731258. In scientific notation, it is written as 2.0731257 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13219800 positive integers (up to 20731257) that are relatively prime to 20731257.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand two hundred fifty-seven

Notation

Scientific notation 2.0731257 × 10^7
Engineering notation 2.0731257 × 10^6

Prime Factorization of 20731257

Prime Factorization 9 × 23 × 100151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20731257
Product of the distinct prime numbers

The prime factorization of 20731257 is 9 × 23 × 100151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731257)

Multiplication

n×y
n×2 41462514
n×3 62193771
n×4 82925028
n×5 103656285

Division

n÷y
n÷2 10365628.5
n÷3 6910419
n÷3 5182814.25
n÷5 4146251.4

Exponentiation

ny
n2 429785016800049
n3 8.9099836380311E+21
n4 1.8471516066582E+29
n5 3.8293774675594E+36

Nth Root

y√n
2√n 4553.1590132566
3√n 274.71046993478
4√n 67.477099917354
5√n 29.061975151067

Divisors of 20731257

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 -20731256
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 20731257 can be divided by 8 positive divisors. The sum of these divisors (counting 20731257) is 1, the average is 0.125.

Base conversion 20731257

Base System Value
2 Binary 1001111000101010101111001
3 Ternary 1110000020221100
4 Quaternary 1033011111321
5 Quinary 20301400012
6 Senary 2020202013
8 Octal 117052571
10 Decimal 20731257
12 Duodecimal 6b39309
16 Hexadecimal 13c5579
20 Vigesimal 69b82h
36 Base36 cccc9

Cryptographic Hash Functions

md5 55f958cb8dbb6b8753c1f28a012808fb
sha1 4c4a137ed1c69365376b0637d339163d06a98011
sha256 8c642aab31ebe32f6a8ade12cb0fc0eb89c5c2b49ddf5fc72701ab2b11f9fb77
sha512 e3c1ab8b8ba7690e6ac225acca77b47f0efa55680898f1f1a773e13f7e42d1e7e598a11309256f1eb9c25674ccc95d31d23366c25940109c5ee408332356d478
ripemd-160 65284539b3adaac86c6630d305b05b872c1fc203

20731257 as geometric shapes

Circle

Radius = n
Diameter 41462514
Circumference 130258329.38176
Area 1.350209451402E+15

Sphere

Radius = n
Volume 3.7322052187792E+22
Surface area 5.400837805608E+15
Circumference 130258329.38176

Square

Length = n
Perimeter 82925028
Area 429785016800049
Diagonal 29318424.814442

Cube

Length = n
Surface area 2578710100800294
Volume 8.9099836380311E+21
Space diagonal 35907590.428768

Equilateral Triangle

Length = n
Perimeter 62193771
Area 1.8610237135738E+14
Altitude 17953795.214384

Triangular Pyramid

Length = n
Surface area 1.8610237135738E+14
Volume 1.0500516417855E+21
Height 9772808.2714807