388660985 (number)

388660985 is an odd 9-digits composite number following 388660984 and preceding 388660986. In scientific notation, it is written as 3.88660985 × 10^8. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 310728880 positive integers (up to 388660985) that are relatively prime to 388660985.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred sixty thousand nine hundred eighty-five

Notation

Scientific notation 3.88660985 × 10^8
Engineering notation 3.88660985 × 10^6

Prime Factorization of 388660985

Prime Factorization 5 × 1607 × 48371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388660985
Product of the distinct prime numbers

The prime factorization of 388660985 is 5 × 1607 × 48371. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 74, 50, 57, 589, 6746, 9552, 26433, 13238, 933138, 178987, 7404720, 3183935, 52763671, 27033786, 281777826, 201773231, 1426983718, 4963328255

Basic calculations (n = 388660985)

Multiplication

n×y
n×2 777321970
n×3 1165982955
n×4 1554643940
n×5 1943304925

Division

n÷y
n÷2 194330492.5
n÷3 129553661.66667
n÷3 97165246.25
n÷5 77732197

Exponentiation

ny
n2 151057361261170225
n3 5.8710102819267E+25
n4 2.2818326391188E+34
n5 8.8685932112505E+42

Nth Root

y√n
2√n 19714.486678582
3√n 729.77724172172
4√n 140.4082856479
5√n 52.229298091026

Divisors of 388660985

1, 5, 1607, 8035, 48371, 241855, 77732197, 388660985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388660984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388660985 can be divided by 8 positive divisors. The sum of these divisors (counting 388660985) is 1, the average is 0.125.

Base conversion 388660985

Base System Value
2 Binary 10111001010100111111011111001
3 Ternary 1000002100000122022
4 Quaternary 113022213323321
5 Quinary 1243444122420
6 Senary 102322204225
8 Octal 2712477371
10 Decimal 388660985
12 Duodecimal aa1b3675
16 Hexadecimal 172a7ef9
20 Vigesimal 6192c95
36 Base36 6fecqh

Cryptographic Hash Functions

md5 1ea1e006966349c26074befe41393215
sha1 b2db88d8d3a0010299f19e6756d8390945e90bf8
sha256 41b609fdc139b5b38b4b98bfe31fcfa37d91b63d805898fd3349499482abdf22
sha512 6aef967add180904f553816d29655b52c3915d6c87f4bd5c84cff24d1fc2444faae806a76a741d8c053bd8c1c5f90518995749673084a9332fa934889176f0a9
ripemd-160 71c64d52beb7e5f31ba6f715209f93ad430a5a17

388660985 as geometric shapes

Circle

Radius = n
Diameter 777321970
Circumference 2442028990.4259
Area 4.7456069640875E+17

Sphere

Radius = n
Volume 2.4592430361135E+26
Surface area 1.898242785635E+18
Circumference 2442028990.4259

Square

Length = n
Perimeter 1554643940
Area 151057361261170225
Diagonal 549649636.15229

Cube

Length = n
Surface area 906344167567021350
Volume 5.8710102819267E+25
Space diagonal 673180572.93977

Equilateral Triangle

Length = n
Perimeter 1165982955
Area 6.5409756140408E+16
Altitude 336590286.46988

Triangular Pyramid

Length = n
Surface area 6.5409756140408E+16
Volume 6.9190519712772E+24
Height 183216545.3841