20130985 (number)

20130985 is an odd 8-digits composite number following 20130984 and preceding 20130986. In scientific notation, it is written as 2.0130985 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 13608000 positive integers (up to 20130985) that are relatively prime to 20130985.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand nine hundred eighty-five

Notation

Scientific notation 2.0130985 × 10^7
Engineering notation 2.0130985 × 10^6

Prime Factorization of 20130985

Prime Factorization 7 × 5 × 71 × 8101

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20130985
Product of the distinct prime numbers

The prime factorization of 20130985 is 7 × 5 × 71 × 8101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 71, 91, 270, 980, 4719, 5071, 57932, 28845, 327635, 314729, 5101023, 8191264, 31298068, 33011534, 430735405, 440979339, 8080187817, 3975372362

Basic calculations (n = 20130985)

Multiplication

n×y
n×2 40261970
n×3 60392955
n×4 80523940
n×5 100654925

Division

n÷y
n÷2 10065492.5
n÷3 6710328.3333333
n÷3 5032746.25
n÷5 4026197

Exponentiation

ny
n2 405256557070225
n3 8.1582136715323E+21
n4 1.6423287704841E+29
n5 3.3061695843684E+36

Nth Root

y√n
2√n 4486.7566236648
3√n 272.03305268031
4√n 66.983256293381
5√n 28.891693904855

Divisors of 20130985

1, 5, 7, 35, 71, 355, 497, 2485, 8101, 40505, 56707, 283535, 575171, 2875855, 4026197, 20130985

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 -20130984
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 20130985 can be divided by 16 positive divisors. The sum of these divisors (counting 20130985) is 1, the average is 0.0625.

Base conversion 20130985

Base System Value
2 Binary 1001100110010110010101001
3 Ternary 1101212202112001
4 Quaternary 1030302302221
5 Quinary 20123142420
6 Senary 1555251001
8 Octal 114626251
10 Decimal 20130985
12 Duodecimal 68a9a61
16 Hexadecimal 1332ca9
20 Vigesimal 65g795
36 Base36 bzh61

Cryptographic Hash Functions

md5 2b349cd4f1b8e5d67a200cdfb3da6a50
sha1 c99e254ce0df8850614f38f475bf5775dd3597b3
sha256 1ed55b6038c03b73ff34da95a0993b729b989e6596e79ec8166c59cbd1d59dfc
sha512 d308d97b943b960f00e90111aff643bd0c9897b5a3e6a2bb087f898740a949b8e5462f1aba32c56c90d5497341364c24c67cf3703c6708cbfcccae6a25164187
ripemd-160 e380c678236b56ae0e6ed97176dc5138cdd70b1b

20130985 as geometric shapes

Circle

Radius = n
Diameter 40261970
Circumference 126486709.17105
Area 1.2731510225109E+15

Sphere

Radius = n
Volume 3.4173045515869E+22
Surface area 5.0926040900436E+15
Circumference 126486709.17105

Square

Length = n
Perimeter 80523940
Area 405256557070225
Diagonal 28469512.010929

Cube

Length = n
Surface area 2431539342421350
Volume 8.1582136715323E+21
Space diagonal 34867888.826407

Equilateral Triangle

Length = n
Perimeter 60392955
Area 1.7548123673652E+14
Altitude 17433944.413203

Triangular Pyramid

Length = n
Surface area 1.7548123673652E+14
Volume 9.6145470158489E+20
Height 9489837.3369764