381387906 (number)

381387906 is an even 9-digits composite number following 381387905 and preceding 381387907. In scientific notation, it is written as 3.81387906 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 127129284 positive integers (up to 381387906) that are relatively prime to 381387906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.81387906 × 10^8
Engineering notation 3.81387906 × 10^6

Prime Factorization of 381387906

Prime Factorization 2 × 9 × 3 × 7062739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 381387906
Product of the distinct prime numbers

The prime factorization of 381387906 is 2 × 9 × 3 × 7062739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 26, 93, 869, 178, 8499, 141, 34602, 53302, 559952, 491785, 7405966, 2914667, 24576722, 39479663, 350281763, 775834474, 6744903450, 8526511848

Basic calculations (n = 381387906)

Multiplication

n×y
n×2 762775812
n×3 1144163718
n×4 1525551624
n×5 1906939530

Division

n÷y
n÷2 190693953
n÷3 127129302
n÷3 95346976.5
n÷5 76277581.2

Exponentiation

ny
n2 145456734843064836
n3 5.5475439515394E+25
n4 2.1157661711206E+34
n5 8.0692762958931E+42

Nth Root

y√n
2√n 19529.155281271
3√n 725.19639926872
4√n 139.74675409923
5√n 52.03234311585

Divisors of 381387906

1, 2, 3, 6, 9, 18, 27, 54, 7062739, 14125478, 21188217, 42376434, 63564651, 127129302, 190693953, 381387906

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 -381387905
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 381387906 can be divided by 16 positive divisors. The sum of these divisors (counting 381387906) is 1, the average is 0.0625.

Base conversion 381387906

Base System Value
2 Binary 10110101110111000010010000010
3 Ternary 222120122111212000
4 Quaternary 112232320102002
5 Quinary 1240113403111
6 Senary 101502244430
8 Octal 2656702202
10 Decimal 381387906
12 Duodecimal a7886716
16 Hexadecimal 16bb8482
20 Vigesimal 5j3d9f6
36 Base36 6b2gsi

Cryptographic Hash Functions

md5 27c0d90de48adb0c34d4ff43a82c3275
sha1 456afdc525900acab8fa27218b0f4a73f7e53c46
sha256 90d2b726b2d01753ce1308553523029e312029958afd7b9ef8ff6101b0463313
sha512 c8841811fcb406794f724a4e4799c23cd5bee357d6495b088840bbf6fbb14a6dd9fa58dac94b2158fdfef778be4037be8bda548321ef61d5f81919374864811e
ripemd-160 71b529291b6c6c8b0d6679bf5b5236698a729fbd

381387906 as geometric shapes

Circle

Radius = n
Diameter 762775812
Circumference 2396330887.3152
Area 4.5696580959813E+17

Sphere

Radius = n
Volume 2.323749776483E+26
Surface area 1.8278632383925E+18
Circumference 2396330887.3152

Square

Length = n
Perimeter 1525551624
Area 145456734843064836
Diagonal 539363949.19028

Cube

Length = n
Surface area 872740409058389016
Volume 5.5475439515394E+25
Space diagonal 660583230.5843

Equilateral Triangle

Length = n
Perimeter 1144163718
Area 6.2984613762816E+16
Altitude 330291615.29215

Triangular Pyramid

Length = n
Surface area 6.2984613762816E+16
Volume 6.5378432451065E+24
Height 179787983.06343