20587985 (number)

20587985 is an odd 8-digits composite number following 20587984 and preceding 20587986. In scientific notation, it is written as 2.0587985 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 14859840 positive integers (up to 20587985) that are relatively prime to 20587985.

Interesting facts

Basic properties

Name

Name twenty million five hundred eighty-seven thousand nine hundred eighty-five

Notation

Scientific notation 2.0587985 × 10^7
Engineering notation 2.0587985 × 10^6

Prime Factorization of 20587985

Prime Factorization 5 × 11 × 139 × 2693

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20587985
Product of the distinct prime numbers

The prime factorization of 20587985 is 5 × 11 × 139 × 2693. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 71, 47, 834, 4, 3198, 6870, 36845, 35986, 256152, 714078, 7553730, 1062181, 78722641, 47003938, 130951140, 467795606, 4031695641, 243356352

Basic calculations (n = 20587985)

Multiplication

n×y
n×2 41175970
n×3 61763955
n×4 82351940
n×5 102939925

Division

n÷y
n÷2 10293992.5
n÷3 6862661.6666667
n÷3 5146996.25
n÷5 4117597

Exponentiation

ny
n2 423865126360225
n3 8.7265288635274E+21
n4 1.7966164534437E+29
n5 3.6988712594252E+36

Nth Root

y√n
2√n 4537.3984837129
3√n 274.07617272311
4√n 67.360214397765
5√n 29.021694665963

Divisors of 20587985

1, 5, 11, 55, 139, 695, 1529, 2693, 7645, 13465, 29623, 148115, 374327, 1871635, 4117597, 20587985

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 -20587984
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 20587985 can be divided by 16 positive divisors. The sum of these divisors (counting 20587985) is 1, the average is 0.0625.

Base conversion 20587985

Base System Value
2 Binary 1001110100010010111010001
3 Ternary 1102201222101222
4 Quaternary 1032202113101
5 Quinary 20232303420
6 Senary 2013134425
8 Octal 116422721
10 Decimal 20587985
12 Duodecimal 6a8a415
16 Hexadecimal 13a25d1
20 Vigesimal 68d9j5
36 Base36 c99sh

Cryptographic Hash Functions

md5 e039881cd8a37485a4d42f49ba253ed4
sha1 1297803cbc9d8f14a1918a9867b78c48bd95f241
sha256 1fd464d58b73be4ff84165005e195d41d14bcb6cf5c8d9d3f573844518f8198d
sha512 1c873459a633e338fd9667d4769276bccf0950f70ae045e52b93623215897f271518edf0baec96e0370d4da4858f24897ccad2b15a1fc53da9f722f1e93c7ea7
ripemd-160 a7c2e407ab2e90c1c149bc9679a1520fac28e5e6

20587985 as geometric shapes

Circle

Radius = n
Diameter 41175970
Circumference 129358124.85643
Area 1.3316115670862E+15

Sphere

Radius = n
Volume 3.6553598625329E+22
Surface area 5.3264462683448E+15
Circumference 129358124.85643

Square

Length = n
Perimeter 82351940
Area 423865126360225
Diagonal 29115807.608934

Cube

Length = n
Surface area 2543190758161350
Volume 8.7265288635274E+21
Space diagonal 35659436.045466

Equilateral Triangle

Length = n
Perimeter 61763955
Area 1.8353898360313E+14
Altitude 17829718.022733

Triangular Pyramid

Length = n
Surface area 1.8353898360313E+14
Volume 1.0284312892701E+21
Height 9705269.2029779