388220987 (number)

388220987 is an odd 9-digits composite number following 388220986 and preceding 388220988. In scientific notation, it is written as 3.88220987 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 296070720 positive integers (up to 388220987) that are relatively prime to 388220987.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million two hundred twenty thousand nine hundred eighty-seven

Notation

Scientific notation 3.88220987 × 10^8
Engineering notation 3.88220987 × 10^6

Prime Factorization of 388220987

Prime Factorization 7 × 11 × 47 × 107273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388220987
Product of the distinct prime numbers

The prime factorization of 388220987 is 7 × 11 × 47 × 107273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 45, 95, 160, 172, 9712, 6160, 12646, 8238, 73842, 947563, 139367, 829609, 39587788, 95929472, 925437674, 314812737, 4469019248, 1026000129

Basic calculations (n = 388220987)

Multiplication

n×y
n×2 776441974
n×3 1164662961
n×4 1552883948
n×5 1941104935

Division

n÷y
n÷2 194110493.5
n÷3 129406995.66667
n÷3 97055246.75
n÷5 77644197.4

Exponentiation

ny
n2 150715534747254169
n3 5.8510933655812E+25
n4 2.2715172414151E+34
n5 8.8185066544968E+42

Nth Root

y√n
2√n 19703.324262672
3√n 729.50174732198
4√n 140.36853017209
5√n 52.21746711176

Divisors of 388220987

1, 7, 11, 47, 77, 329, 517, 3619, 107273, 750911, 1180003, 5041831, 8260021, 35292817, 55460141, 388220987

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 -388220986
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 388220987 can be divided by 16 positive divisors. The sum of these divisors (counting 388220987) is 1, the average is 0.0625.

Base conversion 388220987

Base System Value
2 Binary 10111001000111100100000111011
3 Ternary 1000001111200002002
4 Quaternary 113020330200323
5 Quinary 1243341032422
6 Senary 102304531215
8 Octal 2710744073
10 Decimal 388220987
12 Duodecimal aa020b0b
16 Hexadecimal 1723c83b
20 Vigesimal 6167c97
36 Base36 6f4x8b

Cryptographic Hash Functions

md5 1e18d51624af62d4a0b4dd3b20b29682
sha1 b50c86505aa270fb8b8841cbd5b39f0c086327b4
sha256 85f2263ed9fb2accd80bc603e32cc786eb0d95fecde2c0c9a4b066ca3ea3b902
sha512 9499a9bf1b7630f4225cdb4da382621651eeb79a3c8606915b47a00e7a12669b85f7df150206520956ba1b73abf7ef5fa4edfc411d87b4d60f8210ba512dd6dc
ripemd-160 aa62f20e655639f2449080df3aa7a9f34cd12cc7

388220987 as geometric shapes

Circle

Radius = n
Diameter 776441974
Circumference 2439264401.4572
Area 4.7348681674383E+17

Sphere

Radius = n
Volume 2.4509002577037E+26
Surface area 1.8939472669753E+18
Circumference 2439264401.4572

Square

Length = n
Perimeter 1552883948
Area 150715534747254169
Diagonal 549027385.01327

Cube

Length = n
Surface area 904293208483525014
Volume 5.8510933655812E+25
Space diagonal 672418474.04854

Equilateral Triangle

Length = n
Perimeter 1164662961
Area 6.5261740918039E+16
Altitude 336209237.02427

Triangular Pyramid

Length = n
Surface area 6.5261740918039E+16
Volume 6.8955796602635E+24
Height 183009128.33776