20143985 (number)

20143985 is an odd 8-digits composite number following 20143984 and preceding 20143986. In scientific notation, it is written as 2.0143985 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 15759360 positive integers (up to 20143985) that are relatively prime to 20143985.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-three thousand nine hundred eighty-five

Notation

Scientific notation 2.0143985 × 10^7
Engineering notation 2.0143985 × 10^6

Prime Factorization of 20143985

Prime Factorization 5 × 229 × 241 × 73

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20143985
Product of the distinct prime numbers

The prime factorization of 20143985 is 5 × 229 × 241 × 73. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 99, 82, 274, 739, 8378, 8906, 80571, 67860, 743915, 803388, 426313, 1665476, 58862511, 52413518, 820992064, 507755684, 8949360893, 8283043243

Basic calculations (n = 20143985)

Multiplication

n×y
n×2 40287970
n×3 60431955
n×4 80575940
n×5 100719925

Division

n÷y
n÷2 10071992.5
n÷3 6714661.6666667
n÷3 5035996.25
n÷5 4028797

Exponentiation

ny
n2 405780131680225
n3 8.1740288858645E+21
n4 1.6465751526642E+29
n5 3.3168585176641E+36

Nth Root

y√n
2√n 4488.2050978091
3√n 272.09159707041
4√n 66.994067631464
5√n 28.895424423156

Divisors of 20143985

1, 5, 73, 229, 241, 365, 1145, 1205, 16717, 17593, 55189, 83585, 87965, 275945, 4028797, 20143985

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 -20143984
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 20143985 can be divided by 16 positive divisors. The sum of these divisors (counting 20143985) is 1, the average is 0.0625.

Base conversion 20143985

Base System Value
2 Binary 1001100110101111101110001
3 Ternary 1101220102100112
4 Quaternary 1030311331301
5 Quinary 20124101420
6 Senary 1555431105
8 Octal 114657561
10 Decimal 20143985
12 Duodecimal 68b5495
16 Hexadecimal 1335f71
20 Vigesimal 65hjj5
36 Base36 bzr75

Cryptographic Hash Functions

md5 28e1b982efc605d130f002ca8b7c620d
sha1 417dd90d2e11bd3f8007a3592e55c2c6a935b878
sha256 94685fc63e6c49154606cbc4b69cafddc42ef427638b4387bd18b097064567b2
sha512 eeb0ba4aef3065e1eb424e1a571f67e67674747b9d6b067a829bcee6081574867c232ea9d17247576f39121c653668bf57983ba4f61ef60c4bef24c4f4fc09d5
ripemd-160 6f5f3c40c24088feab4a9e542b463553e5d5b1ff

20143985 as geometric shapes

Circle

Radius = n
Diameter 40287970
Circumference 126568390.58005
Area 1.2747958806593E+15

Sphere

Radius = n
Volume 3.423929213075E+22
Surface area 5.0991835226372E+15
Circumference 126568390.58005

Square

Length = n
Perimeter 80575940
Area 405780131680225
Diagonal 28487896.78724

Cube

Length = n
Surface area 2434680790081350
Volume 8.1740288858645E+21
Space diagonal 34890405.486905

Equilateral Triangle

Length = n
Perimeter 60431955
Area 1.7570795119303E+14
Altitude 17445202.743453

Triangular Pyramid

Length = n
Surface area 1.7570795119303E+14
Volume 9.6331854246825E+20
Height 9495965.5957467