388640881 (number)

388640881 is an odd 9-digits composite number following 388640880 and preceding 388640882. In scientific notation, it is written as 3.88640881 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 388552432 positive integers (up to 388640881) that are relatively prime to 388640881.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty thousand eight hundred eighty-one

Notation

Scientific notation 3.88640881 × 10^8
Engineering notation 3.88640881 × 10^6

Prime Factorization of 388640881

Prime Factorization 4637 × 83813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388640881
Product of the distinct prime numbers

The prime factorization of 388640881 is 4637 × 83813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 86, 74, 613, 880, 8453, 9839, 37049, 28299, 517366, 233861, 5018214, 3903392, 45187208, 71581016, 840671165, 961807609, 6088839159, 749368091

Basic calculations (n = 388640881)

Multiplication

n×y
n×2 777281762
n×3 1165922643
n×4 1554563524
n×5 1943204405

Division

n÷y
n÷2 194320440.5
n÷3 129546960.33333
n÷3 97160220.25
n÷5 77728176.2

Exponentiation

ny
n2 151041734384456161
n3 5.8700992718943E+25
n4 2.2813605525865E+34
n5 8.8662997503585E+42

Nth Root

y√n
2√n 19713.976793128
3√n 729.76465860927
4√n 140.40646991192
5√n 52.228757754035

Divisors of 388640881

1, 4637, 83813, 388640881

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 -388640880
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 388640881 can be divided by 4 positive divisors. The sum of these divisors (counting 388640881) is 1, the average is 0.25.

Base conversion 388640881

Base System Value
2 Binary 10111001010100011000001110001
3 Ternary 1000002022000001201
4 Quaternary 113022203001301
5 Quinary 1243443002011
6 Senary 102321531201
8 Octal 2712430161
10 Decimal 388640881
12 Duodecimal aa1a3b01
16 Hexadecimal 172a3071
20 Vigesimal 6190241
36 Base36 6fdx81

Cryptographic Hash Functions

md5 c786f0fb58e5bd6c001f10a0c035ebad
sha1 a9e5152cc78b47587d754d74990ce95f7780c1d3
sha256 bcaea4ea3996470a4ac304ab74a8287b1d9bda28aeec6fb95610110e45f28521
sha512 62961c0e17b1bd92574feb2f2811cba3f95bbc6767fb312334d0660129c851222a94bcaa39a73c617d373c04f4bbfa50e946970c47b8823b2258d597abee3986
ripemd-160 fab5161dc554f01521107b9b4f64036cc9c6cb2b

388640881 as geometric shapes

Circle

Radius = n
Diameter 777281762
Circumference 2441902673.2685
Area 4.7451160312767E+17

Sphere

Radius = n
Volume 2.4588614331235E+26
Surface area 1.8980464125107E+18
Circumference 2441902673.2685

Square

Length = n
Perimeter 1554563524
Area 151041734384456161
Diagonal 549621204.80283

Cube

Length = n
Surface area 906250406306736966
Volume 5.8700992718943E+25
Space diagonal 673145751.79033

Equilateral Triangle

Length = n
Perimeter 1165922643
Area 6.54029895043E+16
Altitude 336572875.89516

Triangular Pyramid

Length = n
Surface area 6.54029895043E+16
Volume 6.9179783356578E+24
Height 183207068.26761