388220985 (number)

388220985 is an odd 9-digits composite number following 388220984 and preceding 388220986. In scientific notation, it is written as 3.88220985 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 202233024 positive integers (up to 388220985) that are relatively prime to 388220985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88220985 × 10^8
Engineering notation 3.88220985 × 10^6

Prime Factorization of 388220985

Prime Factorization 15 × 9 × 43 × 66877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388220985
Product of the distinct prime numbers

The prime factorization of 388220985 is 15 × 9 × 43 × 66877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 48, 65, 805, 433, 97, 7639, 89499, 30133, 282453, 983391, 9980236, 6993463, 39034438, 70271889, 87292519, 257718076, 6540065107, 6137729606

Basic calculations (n = 388220985)

Multiplication

n×y
n×2 776441970
n×3 1164662955
n×4 1552883940
n×5 1941104925

Division

n÷y
n÷2 194110492.5
n÷3 129406995
n÷3 97055246.25
n÷5 77644197

Exponentiation

ny
n2 150715533194370225
n3 5.8510932751519E+25
n4 2.2715171946063E+34
n5 8.8185064273451E+42

Nth Root

y√n
2√n 19703.324211919
3√n 729.50174606925
4√n 140.3685299913
5√n 52.217467057958

Divisors of 388220985

1, 9, 15, 43, 135, 387, 645, 5805, 66877, 601893, 1003155, 2875711, 9028395, 25881399, 43135665, 388220985

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 -388220984
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 388220985 can be divided by 16 positive divisors. The sum of these divisors (counting 388220985) is 1, the average is 0.0625.

Base conversion 388220985

Base System Value
2 Binary 10111001000111100100000111001
3 Ternary 1000001111200002000
4 Quaternary 113020330200321
5 Quinary 1243341032420
6 Senary 102304531213
8 Octal 2710744071
10 Decimal 388220985
12 Duodecimal aa020b09
16 Hexadecimal 1723c839
20 Vigesimal 6167c95
36 Base36 6f4x89

Cryptographic Hash Functions

md5 ead819a43cad3117fd0be421c03aeeca
sha1 efb09b6287bcd0e5c18f8175bdef8d9896d18bc8
sha256 27fee56e32bf9a06938bd71b78bb3ee96eb5021e46c62c52e106519e080ef57d
sha512 0faf5961dd09aded44d509d97bb98f860db439b02f24f7701f330f078d05667aef525106fe439603478b55267ba337d2760a27943dbfc325c69988093458fdd5
ripemd-160 b70b230578667842afbe603fc263c8e1f88af023

388220985 as geometric shapes

Circle

Radius = n
Diameter 776441970
Circumference 2439264388.8908
Area 4.734868118653E+17

Sphere

Radius = n
Volume 2.4509002198248E+26
Surface area 1.8939472474612E+18
Circumference 2439264388.8908

Square

Length = n
Perimeter 1552883940
Area 150715533194370225
Diagonal 549027382.18484

Cube

Length = n
Surface area 904293199166221350
Volume 5.8510932751519E+25
Space diagonal 672418470.58443

Equilateral Triangle

Length = n
Perimeter 1164662955
Area 6.5261740245621E+16
Altitude 336209235.29222

Triangular Pyramid

Length = n
Surface area 6.5261740245621E+16
Volume 6.8955795536915E+24
Height 183009127.39495