381640785 (number)

381640785 is an odd 9-digits composite number following 381640784 and preceding 381640786. In scientific notation, it is written as 3.81640785 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 203541744 positive integers (up to 381640785) that are relatively prime to 381640785.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million six hundred forty thousand seven hundred eighty-five

Notation

Scientific notation 3.81640785 × 10^8
Engineering notation 3.81640785 × 10^6

Prime Factorization of 381640785

Prime Factorization 15 × 25442719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 381640785
Product of the distinct prime numbers

The prime factorization of 381640785 is 15 × 25442719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 381640785)

Multiplication

n×y
n×2 763281570
n×3 1144922355
n×4 1526563140
n×5 1908203925

Division

n÷y
n÷2 190820392.5
n÷3 127213595
n÷3 95410196.25
n÷5 76328157

Exponentiation

ny
n2 145649688775416225
n3 5.5585861559256E+25
n4 2.1213831840376E+34
n5 8.0960634364189E+42

Nth Root

y√n
2√n 19535.628605192
3√n 725.35664418888
4√n 139.76991309002
5√n 52.039241288731

Divisors of 381640785

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 -381640784
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 381640785 can be divided by 4 positive divisors. The sum of these divisors (counting 381640785) is 1, the average is 0.25.

Base conversion 381640785

Base System Value
2 Binary 10110101111110110000001010001
3 Ternary 222121010100201220
4 Quaternary 112233312001101
5 Quinary 1240200001120
6 Senary 101511515253
8 Octal 2657660121
10 Decimal 381640785
12 Duodecimal a7988b29
16 Hexadecimal 16bf6051
20 Vigesimal 5j551j5
36 Base36 6b7vwx

Cryptographic Hash Functions

md5 1934c7d5af6b6bff9838dbf7919daddb
sha1 5be2e857113a90a819d3a8508b2e2587a4515107
sha256 c68e104ca6da0aef5079f3947023c89bb387012379adcc52a18c63ea21d6b270
sha512 9c31f9575eaf29aa5041dc983d9c8e592f327aa37ca05a020de44a15ae93f91fce5948d939e5cc0c4f627144f06984aab97cf50f94862a4f423539ae6c102e17
ripemd-160 f40af79bddc2fc7d43ee2f8a9da483e0bbead3c1

381640785 as geometric shapes

Circle

Radius = n
Diameter 763281570
Circumference 2397919772.9325
Area 4.5757199225449E+17

Sphere

Radius = n
Volume 2.3283751242402E+26
Surface area 1.8302879690179E+18
Circumference 2397919772.9325

Square

Length = n
Perimeter 1526563140
Area 145649688775416225
Diagonal 539721574.10171

Cube

Length = n
Surface area 873898132652497350
Volume 5.5585861559256E+25
Space diagonal 661021229.86047

Equilateral Triangle

Length = n
Perimeter 1144922355
Area 6.3068165266404E+16
Altitude 330510614.93024

Triangular Pyramid

Length = n
Surface area 6.3068165266404E+16
Volume 6.5508566077744E+24
Height 179907191.36724