20381505 (number)

20381505 is an odd 8-digits composite number following 20381504 and preceding 20381506. In scientific notation, it is written as 2.0381505 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 10808640 positive integers (up to 20381505) that are relatively prime to 20381505.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0381505 × 10^7
Engineering notation 2.0381505 × 10^6

Prime Factorization of 20381505

Prime Factorization 15 × 181 × 7507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20381505
Product of the distinct prime numbers

The prime factorization of 20381505 is 15 × 181 × 7507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20381505)

Multiplication

n×y
n×2 40763010
n×3 61144515
n×4 81526020
n×5 101907525

Division

n÷y
n÷2 10190752.5
n÷3 6793835
n÷3 5095376.25
n÷5 4076301

Exponentiation

ny
n2 415405746065025
n3 8.466594290453E+21
n4 1.7256193386384E+29
n5 3.5170719178555E+36

Nth Root

y√n
2√n 4514.5880210712
3√n 273.15684207581
4√n 67.190684034851
5√n 28.96324713294

Divisors of 20381505

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20381504
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20381505 can be divided by 8 positive divisors. The sum of these divisors (counting 20381505) is 1, the average is 0.125.

Base conversion 20381505

Base System Value
2 Binary 1001101101111111101000001
3 Ternary 1102100111011120
4 Quaternary 1031233331001
5 Quinary 20204202010
6 Senary 2004502453
8 Octal 115577501
10 Decimal 20381505
12 Duodecimal 69aaa29
16 Hexadecimal 136ff41
20 Vigesimal 677df5
36 Base36 c4ugx

Cryptographic Hash Functions

md5 3c7a2936a378e40c65678ae8395de247
sha1 454e3ef1aa5b04072da336c9497bba08f9dc586e
sha256 4591e74dee2515a0020d42807774c2c674e8a6679266a42b403de34000f716a2
sha512 779be879dd8e4dd4f796ac3ab3bd0fe6b1734d41f4a193ebee2644f8b2758557138e8252c782e7d42cf428c5261bfe84548bf52d6f91371ff13d70fc052ba78c
ripemd-160 094daffc77197e388ec8a69409768656bf085d31

20381505 as geometric shapes

Circle

Radius = n
Diameter 40763010
Circumference 128060772.75421
Area 1.3050356400969E+15

Sphere

Radius = n
Volume 3.546478723175E+22
Surface area 5.2201425603875E+15
Circumference 128060772.75421

Square

Length = n
Perimeter 81526020
Area 415405746065025
Diagonal 28823800.792575

Cube

Length = n
Surface area 2492434476390150
Volume 8.466594290453E+21
Space diagonal 35301802.194719

Equilateral Triangle

Length = n
Perimeter 61144515
Area 1.7987596448517E+14
Altitude 17650901.09736

Triangular Pyramid

Length = n
Surface area 1.7987596448517E+14
Volume 9.9779770605577E+20
Height 9607933.597525