388781331 (number)

388781331 is an odd 9-digits composite number following 388781330 and preceding 388781332. In scientific notation, it is written as 3.88781331 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 259187552 positive integers (up to 388781331) that are relatively prime to 388781331.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million seven hundred eighty-one thousand three hundred thirty-one

Notation

Scientific notation 3.88781331 × 10^8
Engineering notation 3.88781331 × 10^6

Prime Factorization of 388781331

Prime Factorization 3 × 129593777

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388781331
Product of the distinct prime numbers

The prime factorization of 388781331 is 3 × 129593777. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 25, 1, 411, 833, 9876, 943, 51080, 6878, 271519, 640371, 6653317, 7889517, 63772757, 84696958, 234777466, 350126269, 7830126167, 4243106438

Basic calculations (n = 388781331)

Multiplication

n×y
n×2 777562662
n×3 1166343993
n×4 1555125324
n×5 1943906655

Division

n÷y
n÷2 194390665.5
n÷3 129593777
n÷3 97195332.75
n÷5 77756266.2

Exponentiation

ny
n2 151150923334131561
n3 5.8764657155723E+25
n4 2.2846601624761E+34
n5 8.8823321885012E+42

Nth Root

y√n
2√n 19717.538664854
3√n 729.8525573241
4√n 140.4191534829
5√n 52.232532173674

Divisors of 388781331

1, 3, 129593777, 388781331

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 -388781330
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 388781331 can be divided by 4 positive divisors. The sum of these divisors (counting 388781331) is 1, the average is 0.25.

Base conversion 388781331

Base System Value
2 Binary 10111001011000101010100010011
3 Ternary 1000002120010201120
4 Quaternary 113023011110103
5 Quinary 1244012000311
6 Senary 102324533323
8 Octal 2713052423
10 Decimal 388781331
12 Duodecimal aa251243
16 Hexadecimal 172c5513
20 Vigesimal 619hd6b
36 Base36 6fgxlf

Cryptographic Hash Functions

md5 24aec537b1ce8180c4f6c434125277b9
sha1 11c95a0c5d4421de322fcd4ebb724dd4e7bfa0ff
sha256 61aa74e3804a05077ba3813bcd57d622e648a40cf270007f11ce344c20279e6e
sha512 455f59260011c05638c718a293b6ff6261abb753c8aa04e9a0291546ff41ed00ed59ffb26f8ea964c1e404f79544962a8729a26426430343b231af8dba1385b5
ripemd-160 c21f25fec87d1c05f2e2041c7825e7bd184335e3

388781331 as geometric shapes

Circle

Radius = n
Diameter 777562662
Circumference 2442785146.6449
Area 4.7485463032982E+17

Sphere

Radius = n
Volume 2.4615282028152E+26
Surface area 1.8994185213193E+18
Circumference 2442785146.6449

Square

Length = n
Perimeter 1555125324
Area 151150923334131561
Diagonal 549819831.09766

Cube

Length = n
Surface area 906905540004789366
Volume 5.8764657155723E+25
Space diagonal 673389018.32625

Equilateral Triangle

Length = n
Perimeter 1166343993
Area 6.5450269706416E+16
Altitude 336694509.16313

Triangular Pyramid

Length = n
Surface area 6.5450269706416E+16
Volume 6.9254812614857E+24
Height 183273277.03255