20138181 (number)

20138181 is an odd 8-digits composite number following 20138180 and preceding 20138182. In scientific notation, it is written as 2.0138181 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11423088 positive integers (up to 20138181) that are relatively prime to 20138181.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand one hundred eighty-one

Notation

Scientific notation 2.0138181 × 10^7
Engineering notation 2.0138181 × 10^6

Prime Factorization of 20138181

Prime Factorization 3 × 7 × 139 × 6899

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138181
Product of the distinct prime numbers

The prime factorization of 20138181 is 3 × 7 × 139 × 6899. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 98, 40, 319, 261, 3794, 576, 63157, 14636, 422809, 868525, 9479124, 2064445, 34882648, 18509275, 413807596, 939424310, 8436666470, 4022164851

Basic calculations (n = 20138181)

Multiplication

n×y
n×2 40276362
n×3 60414543
n×4 80552724
n×5 100690905

Division

n÷y
n÷2 10069090.5
n÷3 6712727
n÷3 5034545.25
n÷5 4027636.2

Exponentiation

ny
n2 405546333988761
n3 8.1669654777521E+21
n4 1.6446782901172E+29
n5 3.3120829093151E+36

Nth Root

y√n
2√n 4487.5584675857
3√n 272.06546236527
4√n 66.989241431634
5√n 28.893759128278

Divisors of 20138181

1, 3, 7, 21, 139, 417, 973, 2919, 6899, 20697, 48293, 144879, 958961, 2876883, 6712727, 20138181

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 -20138180
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 20138181 can be divided by 16 positive divisors. The sum of these divisors (counting 20138181) is 1, the average is 0.0625.

Base conversion 20138181

Base System Value
2 Binary 1001100110100100011000101
3 Ternary 1101220010101120
4 Quaternary 1030310203011
5 Quinary 20123410211
6 Senary 1555344153
8 Octal 114644305
10 Decimal 20138181
12 Duodecimal 68b2059
16 Hexadecimal 13348c5
20 Vigesimal 65h591
36 Base36 bzmpx

Cryptographic Hash Functions

md5 3b4f687ccc30ea1eed4eea2ff7b5b2a6
sha1 465030e9e6c0d82c4c398033f24b1c9e6bc41d48
sha256 912877d2e4e34be17cdda22eb5519b15d8d9d6212644f18ff3c732d1c5525c71
sha512 dd327ae905c4b243bdac31d4f9c4797e0234889ce3c2a7c0aa1d492b9486dfdca9c3f79132bfe39cce9748e304009620f0236ace1ea868d892d628937a849a6c
ripemd-160 8b407832f6a73794ed3a21f5040e2cb2dd48962b

20138181 as geometric shapes

Circle

Radius = n
Diameter 40276362
Circumference 126531922.97252
Area 1.2740613835494E+15

Sphere

Radius = n
Volume 3.4209704996037E+22
Surface area 5.0962455341975E+15
Circumference 126531922.97252

Square

Length = n
Perimeter 80552724
Area 405546333988761
Diagonal 28479688.691724

Cube

Length = n
Surface area 2433278003932566
Volume 8.1669654777521E+21
Space diagonal 34880352.664018

Equilateral Triangle

Length = n
Perimeter 60414543
Area 1.7560671382296E+14
Altitude 17440176.332009

Triangular Pyramid

Length = n
Surface area 1.7560671382296E+14
Volume 9.6248611183916E+20
Height 9493229.5639081