381387911 (number)

381387911 is an odd 9-digits composite number following 381387910 and preceding 381387912. In scientific notation, it is written as 3.81387911 × 10^8. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 355596928 positive integers (up to 381387911) that are relatively prime to 381387911.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million three hundred eighty-seven thousand nine hundred eleven

Notation

Scientific notation 3.81387911 × 10^8
Engineering notation 3.81387911 × 10^6

Prime Factorization of 381387911

Prime Factorization 17 × 107 × 209669

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 381387911
Product of the distinct prime numbers

The prime factorization of 381387911 is 17 × 107 × 209669. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 3, 58, 34, 854, 838, 580, 2490, 87876, 47078, 8994, 610198, 1016594, 2148956, 1022354, 45202788, 170787402, 548233009, 2655160611, 9513475390

Basic calculations (n = 381387911)

Multiplication

n×y
n×2 762775822
n×3 1144163733
n×4 1525551644
n×5 1906939555

Division

n÷y
n÷2 190693955.5
n÷3 127129303.66667
n÷3 95346977.75
n÷5 76277582.2

Exponentiation

ny
n2 145456738656943921
n3 5.5475441697245E+25
n4 2.1157662820714E+34
n5 8.0692768248347E+42

Nth Root

y√n
2√n 19529.155409285
3√n 725.19640243783
4√n 139.74675455725
5√n 52.032343252279

Divisors of 381387911

1, 17, 107, 1819, 209669, 3564373, 22434583, 381387911

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 -381387910
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 381387911 can be divided by 8 positive divisors. The sum of these divisors (counting 381387911) is 1, the average is 0.125.

Base conversion 381387911

Base System Value
2 Binary 10110101110111000010010000111
3 Ternary 222120122111212012
4 Quaternary 112232320102013
5 Quinary 1240113403121
6 Senary 101502244435
8 Octal 2656702207
10 Decimal 381387911
12 Duodecimal a788671b
16 Hexadecimal 16bb8487
20 Vigesimal 5j3d9fb
36 Base36 6b2gsn

Cryptographic Hash Functions

md5 7db6ee81c7ebacd78c737d188d70f979
sha1 b87cdf4cfb3299852418f8df7b1ea6bdd8a61de4
sha256 7a857a01226a59ca14a02ad082c74dc185368ea55395c8c1170b1900aff74507
sha512 d7a864a3fd950ee9ad20a66ec1c71f928578fba898021d2b1f97ee44662853df09e4baa4797091e53eeb5242fe3c5d217a4987b03db39958c7608b2ad59cbedd
ripemd-160 05b74661d08bce634c72bc9a97176ef484636d9f

381387911 as geometric shapes

Circle

Radius = n
Diameter 762775822
Circumference 2396330918.7311
Area 4.5696582157979E+17

Sphere

Radius = n
Volume 2.3237498678762E+26
Surface area 1.8278632863191E+18
Circumference 2396330918.7311

Square

Length = n
Perimeter 1525551644
Area 145456738656943921
Diagonal 539363956.26134

Cube

Length = n
Surface area 872740431941663526
Volume 5.5475441697245E+25
Space diagonal 660583239.24456

Equilateral Triangle

Length = n
Perimeter 1144163733
Area 6.2984615414274E+16
Altitude 330291619.62228

Triangular Pyramid

Length = n
Surface area 6.2984615414274E+16
Volume 6.5378435022401E+24
Height 179787985.42045