388991009 (number)

388991009 is an odd 9-digits composite number following 388991008 and preceding 388991010. In scientific notation, it is written as 3.88991009 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 328685760 positive integers (up to 388991009) that are relatively prime to 388991009.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million nine hundred ninety-one thousand nine

Notation

Scientific notation 3.88991009 × 10^8
Engineering notation 3.88991009 × 10^6

Prime Factorization of 388991009

Prime Factorization 11 × 19 × 53 × 35117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388991009
Product of the distinct prime numbers

The prime factorization of 388991009 is 11 × 19 × 53 × 35117. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 55, 83, 955, 437, 7744, 5171, 5290, 92970, 179874, 560566, 3862523, 3642430, 61948837, 45831673, 271930678, 344620622, 3274424496, 5868114442

Basic calculations (n = 388991009)

Multiplication

n×y
n×2 777982018
n×3 1166973027
n×4 1555964036
n×5 1944955045

Division

n÷y
n÷2 194495504.5
n÷3 129663669.66667
n÷3 97247752.25
n÷5 77798201.8

Exponentiation

ny
n2 151314005082838081
n3 5.8859787513004E+25
n4 2.2895928134209E+34
n5 8.9063101869175E+42

Nth Root

y√n
2√n 19722.854991101
3√n 729.98374205363
4√n 140.43808241037
5√n 52.238164980659

Divisors of 388991009

1, 11, 19, 53, 209, 583, 1007, 11077, 35117, 386287, 667223, 1861201, 7339453, 20473211, 35362819, 388991009

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 -388991008
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 388991009 can be divided by 16 positive divisors. The sum of these divisors (counting 388991009) is 1, the average is 0.0625.

Base conversion 388991009

Base System Value
2 Binary 10111001011111000100000100001
3 Ternary 1000002221210100102
4 Quaternary 113023320200201
5 Quinary 1244040203014
6 Senary 102333232145
8 Octal 2713704041
10 Decimal 388991009
12 Duodecimal aa332655
16 Hexadecimal 172f8821
20 Vigesimal 61b3ha9
36 Base36 6flfdt

Cryptographic Hash Functions

md5 a95572ca9e57451a440ead79e8a0d30c
sha1 2ee28e4bfd6080ab7a57e259b3fb84cbc628fe35
sha256 c81d0663d7b6c1403a25553c3748922bc9b51532cac24b06b3f4a858b73487cd
sha512 4c52e2929a23327feb5307ad311ec8c4eca9fbf1818c36cd69035ed13882b0a74034122a811bc8ccd3d2f8a6ef350467b7ec3911668ed28e556c5e3a9b8da7a0
ripemd-160 eacd425c85a17256a45184f1ff3ea8d464e7908b

388991009 as geometric shapes

Circle

Radius = n
Diameter 777982018
Circumference 2444102592.3738
Area 4.7536696675349E+17

Sphere

Radius = n
Volume 2.4655130139028E+26
Surface area 1.901467867014E+18
Circumference 2444102592.3738

Square

Length = n
Perimeter 1555964036
Area 151314005082838081
Diagonal 550116360.56899

Cube

Length = n
Surface area 907884030497028486
Volume 5.8859787513004E+25
Space diagonal 673752191.27548

Equilateral Triangle

Length = n
Perimeter 1166973027
Area 6.5520886175053E+16
Altitude 336876095.63774

Triangular Pyramid

Length = n
Surface area 6.5520886175053E+16
Volume 6.9366924816074E+24
Height 183372120.18966