381381915 (number)

381381915 is an odd 9-digits composite number following 381381914 and preceding 381381916. In scientific notation, it is written as 3.81381915 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 203403680 positive integers (up to 381381915) that are relatively prime to 381381915.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million three hundred eighty-one thousand nine hundred fifteen

Notation

Scientific notation 3.81381915 × 10^8
Engineering notation 3.81381915 × 10^6

Prime Factorization of 381381915

Prime Factorization 3 × 5 × 25425461

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 381381915
Product of the distinct prime numbers

The prime factorization of 381381915 is 3 × 5 × 25425461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 88, 57, 691, 48, 8004, 8547, 37366, 37496, 639456, 393080, 7589351, 8075926, 36462225, 8366940, 538627324, 650573693, 1178373891, 6861281718

Basic calculations (n = 381381915)

Multiplication

n×y
n×2 762763830
n×3 1144145745
n×4 1525527660
n×5 1906909575

Division

n÷y
n÷2 190690957.5
n÷3 127127305
n÷3 95345478.75
n÷5 76276383

Exponentiation

ny
n2 145452165089067225
n3 5.5472825262565E+25
n4 2.1156332329097E+34
n5 8.0686425380475E+42

Nth Root

y√n
2√n 19529.001894618
3√n 725.19260201986
4√n 139.74620529595
5√n 52.032179645682

Divisors of 381381915

1, 3, 5, 15, 25425461, 76276383, 127127305, 381381915

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 -381381914
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 381381915 can be divided by 8 positive divisors. The sum of these divisors (counting 381381915) is 1, the average is 0.125.

Base conversion 381381915

Base System Value
2 Binary 10110101110110110110100011011
3 Ternary 222120122012122010
4 Quaternary 112232312310123
5 Quinary 1240113210130
6 Senary 101502201003
8 Octal 2656666433
10 Decimal 381381915
12 Duodecimal a7883163
16 Hexadecimal 16bb6d1b
20 Vigesimal 5j3ceff
36 Base36 6b2c63

Cryptographic Hash Functions

md5 2116f1257a21a87b0a90e44734ddf5b9
sha1 bf60c3ba8fd59cf68e0683b01d4941f8e96da23a
sha256 da2d317ff8d417f9e85bb13e7fdcf0bbd972603d2047ee34727656abc00ac34c
sha512 4d2ba02c6b9b57b76de7930d1ae1d164412758cb9cbd99a8d4fd248d000165ef6c8f7b1119dc2bebb21e57bbee16ed6ef1988c9af86f599147f16c41fd901c59
ripemd-160 94be8c3c7d83ca44157a32ee34a0e7ab97082f56

381381915 as geometric shapes

Circle

Radius = n
Diameter 762763830
Circumference 2396293244.752
Area 4.5695145329254E+17

Sphere

Radius = n
Volume 2.3236402709166E+26
Surface area 1.8278058131702E+18
Circumference 2396293244.752

Square

Length = n
Perimeter 1525527660
Area 145452165089067225
Diagonal 539355476.63682

Cube

Length = n
Surface area 872712990534403350
Volume 5.5472825262565E+25
Space diagonal 660572853.86791

Equilateral Triangle

Length = n
Perimeter 1144145745
Area 6.298263500129E+16
Altitude 330286426.93396

Triangular Pyramid

Length = n
Surface area 6.298263500129E+16
Volume 6.537535152456E+24
Height 179785158.87894