381565981 (number)

381565981 is an odd 9-digits composite number following 381565980 and preceding 381565982. In scientific notation, it is written as 3.81565981 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 375056400 positive integers (up to 381565981) that are relatively prime to 381565981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.81565981 × 10^8
Engineering notation 3.81565981 × 10^6

Prime Factorization of 381565981

Prime Factorization 101 × 139 × 27179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 381565981
Product of the distinct prime numbers

The prime factorization of 381565981 is 101 × 139 × 27179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 22, 58, 341, 877, 9372, 4841, 96600, 79878, 663299, 855457, 407201, 5492521, 67248210, 27015327, 995615243, 595599393, 5287467943, 8281263028

Basic calculations (n = 381565981)

Multiplication

n×y
n×2 763131962
n×3 1144697943
n×4 1526263924
n×5 1907829905

Division

n÷y
n÷2 190782990.5
n÷3 127188660.33333
n÷3 95391495.25
n÷5 76313196.2

Exponentiation

ny
n2 145592597856492361
n3 5.5553182427451E+25
n4 2.1197204550602E+34
n5 8.0881321488082E+42

Nth Root

y√n
2√n 19533.71395818
3√n 725.30924960039
4√n 139.76306364051
5√n 52.037201124894

Divisors of 381565981

1, 101, 139, 14039, 27179, 2745079, 3777881, 381565981

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 -381565980
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 381565981 can be divided by 8 positive divisors. The sum of these divisors (counting 381565981) is 1, the average is 0.125.

Base conversion 381565981

Base System Value
2 Binary 10110101111100011110000011101
3 Ternary 222120222120010101
4 Quaternary 112233203300131
5 Quinary 1240140102411
6 Senary 101510141101
8 Octal 2657436035
10 Decimal 381565981
12 Duodecimal a7951791
16 Hexadecimal 16be3c1d
20 Vigesimal 5j4fej1
36 Base36 6b6a71

Cryptographic Hash Functions

md5 a2a66ab6314d4cfbb953e5134564e728
sha1 eaf174f709451b064ebae6dec55d8c34f1d95102
sha256 5c1a35a39041cfcc7b53d358d7592492b19ece8f095a26a63f661949e383fbe9
sha512 d1da9b4a1503c75f15b57b3dea453ed52f2c5c93aa04f7bbe17b48431be9f96ca5372a1954cb7d4cfe0111809e20c7fc6b68a12bb4c0d96ee8520868ea532e73
ripemd-160 84a4a11bb034f8b300abcf02b61bc034aba639f8

381565981 as geometric shapes

Circle

Radius = n
Diameter 763131962
Circumference 2397449765.5388
Area 4.5739263584301E+17

Sphere

Radius = n
Volume 2.3270062639682E+26
Surface area 1.829570543372E+18
Circumference 2397449765.5388

Square

Length = n
Perimeter 1526263924
Area 145592597856492361
Diagonal 539615785.27039

Cube

Length = n
Surface area 873555587138954166
Volume 5.5553182427451E+25
Space diagonal 660891665.53186

Equilateral Triangle

Length = n
Perimeter 1144697943
Area 6.3043444173347E+16
Altitude 330445832.76593

Triangular Pyramid

Length = n
Surface area 6.3043444173347E+16
Volume 6.5470053351573E+24
Height 179871928.42346