388431378 (number)

388431378 is an even 9-digits composite number following 388431377 and preceding 388431379. In scientific notation, it is written as 3.88431378 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 128607264 positive integers (up to 388431378) that are relatively prime to 388431378.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million four hundred thirty-one thousand three hundred seventy-eight

Notation

Scientific notation 3.88431378 × 10^8
Engineering notation 3.88431378 × 10^6

Prime Factorization of 388431378

Prime Factorization 2 × 9 × 149 × 144829

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388431378
Product of the distinct prime numbers

The prime factorization of 388431378 is 2 × 9 × 149 × 144829. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 100, 89, 326, 93, 6470, 6906, 98900, 5422, 577251, 126669, 6265680, 9374361, 86029168, 33135315, 629341872, 768442387, 9618133475, 2639718502

Basic calculations (n = 388431378)

Multiplication

n×y
n×2 776862756
n×3 1165294134
n×4 1553725512
n×5 1942156890

Division

n÷y
n÷2 194215689
n÷3 129477126
n÷3 97107844.5
n÷5 77686275.6

Exponentiation

ny
n2 150878935414978884
n3 5.8606112794413E+25
n4 2.2764453151957E+34
n5 8.8424279072312E+42

Nth Root

y√n
2√n 19708.662511698
3√n 729.63350465439
4√n 140.38754400479
5√n 52.223125592245

Divisors of 388431378

1, 2, 9, 18, 149, 298, 1341, 2682, 144829, 289658, 1303461, 2606922, 21579521, 43159042, 194215689, 388431378

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388431377
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388431378 can be divided by 16 positive divisors. The sum of these divisors (counting 388431378) is 1, the average is 0.0625.

Base conversion 388431378

Base System Value
2 Binary 10111001001101111111000010010
3 Ternary 1000001220100200100
4 Quaternary 113021233320102
5 Quinary 1243414301003
6 Senary 102313233230
8 Octal 2711577022
10 Decimal 388431378
12 Duodecimal aa102816
16 Hexadecimal 1726fe12
20 Vigesimal 617di8i
36 Base36 6f9fki

Cryptographic Hash Functions

md5 230a99ee19e11462bbf53372ac44ceba
sha1 4080bc9a30b3cd163f794e3a7c2c3a53b55a4114
sha256 02e93e9822ae255c7f7ab2b75c35651a377f12ef2fe5196674a7f4044f48aca6
sha512 8a35047c69e2f97d427057ce099a5d5ca56cc903a90d8861607941393f41eb7e184bd7769394fbcbf48ad48ff162be107c5c32a933ba97fdcd5b6263b85c6859
ripemd-160 e5e062b335a7b48918b7531ba84667d04a557165

388431378 as geometric shapes

Circle

Radius = n
Diameter 776862756
Circumference 2440586327.0971
Area 4.7400015508115E+17

Sphere

Radius = n
Volume 2.4548871121384E+26
Surface area 1.8960006203246E+18
Circumference 2440586327.0971

Square

Length = n
Perimeter 1553725512
Area 150878935414978884
Diagonal 549324922.81887

Cube

Length = n
Surface area 905273612489873304
Volume 5.8606112794413E+25
Space diagonal 672782881.94999

Equilateral Triangle

Length = n
Perimeter 1165294134
Area 6.5332495482662E+16
Altitude 336391440.975

Triangular Pyramid

Length = n
Surface area 6.5332495482662E+16
Volume 6.9067966293189E+24
Height 183108307.60629