381865909 (number)

381865909 is an odd 9-digits composite number following 381865908 and preceding 381865910. In scientific notation, it is written as 3.81865909 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 381771180 positive integers (up to 381865909) that are relatively prime to 381865909.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million eight hundred sixty-five thousand nine hundred nine

Notation

Scientific notation 3.81865909 × 10^8
Engineering notation 3.81865909 × 10^6

Prime Factorization of 381865909

Prime Factorization 4219 × 90511

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 381865909
Product of the distinct prime numbers

The prime factorization of 381865909 is 4219 × 90511. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 47, 72, 276, 639, 862, 9093, 319, 24912, 509139, 494428, 2752411, 3668255, 89797049, 30694776, 635626994, 303882288, 3572287141, 2970785563

Basic calculations (n = 381865909)

Multiplication

n×y
n×2 763731818
n×3 1145597727
n×4 1527463636
n×5 1909329545

Division

n÷y
n÷2 190932954.5
n÷3 127288636.33333
n÷3 95466477.25
n÷5 76373181.8

Exponentiation

ny
n2 145821572456396281
n3 5.5684287317871E+25
n4 2.1263930993656E+34
n5 8.1199703378057E+42

Nth Root

y√n
2√n 19541.389638406
3√n 725.49924171136
4√n 139.79052055989
5√n 52.045379269434

Divisors of 381865909

1, 4219, 90511, 381865909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -381865908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 381865909 can be divided by 4 positive divisors. The sum of these divisors (counting 381865909) is 1, the average is 0.25.

Base conversion 381865909

Base System Value
2 Binary 10110110000101100111110110101
3 Ternary 222121112210112211
4 Quaternary 112300230332311
5 Quinary 1240224202114
6 Senary 101520413421
8 Octal 2660547665
10 Decimal 381865909
12 Duodecimal a7a77271
16 Hexadecimal 16c2cfb5
20 Vigesimal 5j6d4f9
36 Base36 6bcpmd

Cryptographic Hash Functions

md5 2a26c6b66bed55f5bd565263fffb8b0f
sha1 11e67a1238c95981118d98556198189af0b12043
sha256 02f0535cf3933b6e6ac9f12641ea6cde58394702d8e94968fdf74385b6d6e13b
sha512 3af92a7f287f4cc2e24dfd53b464415c2ac2cd99c6112e5702daa850e91c83ee495edf68b872ca40e0120db321da5b7d3122aca7ca802c23c24f89512795536c
ripemd-160 1ff0e8dbcb2e66126c1df662f6f27fe0380b6124

381865909 as geometric shapes

Circle

Radius = n
Diameter 763731818
Circumference 2399334268.7416
Area 4.5811198076393E+17

Sphere

Radius = n
Volume 2.3324979727761E+26
Surface area 1.8324479230557E+18
Circumference 2399334268.7416

Square

Length = n
Perimeter 1527463636
Area 145821572456396281
Diagonal 540039947.51573

Cube

Length = n
Surface area 874929434738377686
Volume 5.5684287317871E+25
Space diagonal 661411156.06647

Equilateral Triangle

Length = n
Perimeter 1145597727
Area 6.3142593083516E+16
Altitude 330705578.03324

Triangular Pyramid

Length = n
Surface area 6.3142593083516E+16
Volume 6.5624561946678E+24
Height 180013315.83858