20297987 (number)

20297987 is an odd 8-digits composite number following 20297986 and preceding 20297988. In scientific notation, it is written as 2.0297987 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20284656 positive integers (up to 20297987) that are relatively prime to 20297987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0297987 × 10^7
Engineering notation 2.0297987 × 10^6

Prime Factorization of 20297987

Prime Factorization 1753 × 11579

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20297987
Product of the distinct prime numbers

The prime factorization of 20297987 is 1753 × 11579. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20297987)

Multiplication

n×y
n×2 40595974
n×3 60893961
n×4 81191948
n×5 101489935

Division

n÷y
n÷2 10148993.5
n÷3 6765995.6666667
n÷3 5074496.75
n÷5 4059597.4

Exponentiation

ny
n2 412008276252169
n3 8.3629386352589E+21
n4 1.6975081970028E+29
n5 3.4455999315157E+36

Nth Root

y√n
2√n 4505.328733844
3√n 272.78322319092
4√n 67.121745610822
5√n 28.939471389779

Divisors of 20297987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20297986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20297987 can be divided by 4 positive divisors. The sum of these divisors (counting 20297987) is 1, the average is 0.25.

Base conversion 20297987

Base System Value
2 Binary 1001101011011100100000011
3 Ternary 1102012020121022
4 Quaternary 1031123210003
5 Quinary 20144013422
6 Senary 2003020055
8 Octal 115334403
10 Decimal 20297987
12 Duodecimal 696a62b
16 Hexadecimal 135b903
20 Vigesimal 66h4j7
36 Base36 c320z

Cryptographic Hash Functions

md5 51bd92decc82e983d73de87a42ac22dd
sha1 5866ceec9e83b89c392df9b839214bb882987c28
sha256 8fe84a92fc37a5e13570a9eae94abe40afa0e5bc23f1906efc948bc510ddbd26
sha512 502d1cd601b48c9a97192269e35e83fc4e91725ead2ac3e9740bffd5a49def200b58a906a8e4e8405acf55aa2fffe8c03e6bbd378a1c1ba94b6b724419a926f2
ripemd-160 6b6ba0c63c7e42c26e4518685d53cd9dc8d426fd

20297987 as geometric shapes

Circle

Radius = n
Diameter 40595974
Circumference 127536013.68372
Area 1.294362173892E+15

Sphere

Radius = n
Volume 3.5030595438602E+22
Surface area 5.177448695568E+15
Circumference 127536013.68372

Square

Length = n
Perimeter 81191948
Area 412008276252169
Diagonal 28705688.504273

Cube

Length = n
Surface area 2472049657513014
Volume 8.3629386352589E+21
Space diagonal 35157144.775373

Equilateral Triangle

Length = n
Perimeter 60893961
Area 1.7840481690191E+14
Altitude 17578572.387686

Triangular Pyramid

Length = n
Surface area 1.7840481690191E+14
Volume 9.8558176993976E+20
Height 9568562.8347576