388220981 (number)

388220981 is an odd 9-digits composite number following 388220980 and preceding 388220982. In scientific notation, it is written as 3.88220981 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 382426572 positive integers (up to 388220981) that are relatively prime to 388220981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88220981 × 10^8
Engineering notation 3.88220981 × 10^6

Prime Factorization of 388220981

Prime Factorization 67 × 5794343

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388220981
Product of the distinct prime numbers

The prime factorization of 388220981 is 67 × 5794343. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388220981)

Multiplication

n×y
n×2 776441962
n×3 1164662943
n×4 1552883924
n×5 1941104905

Division

n÷y
n÷2 194110490.5
n÷3 129406993.66667
n÷3 97055245.25
n÷5 77644196.2

Exponentiation

ny
n2 150715530088602361
n3 5.8510930942932E+25
n4 2.2715171009888E+34
n5 8.8185059730416E+42

Nth Root

y√n
2√n 19703.324110413
3√n 729.5017435638
4√n 140.36852962973
5√n 52.217466950355

Divisors of 388220981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388220980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388220981 can be divided by 4 positive divisors. The sum of these divisors (counting 388220981) is 1, the average is 0.25.

Base conversion 388220981

Base System Value
2 Binary 10111001000111100100000110101
3 Ternary 1000001111200001212
4 Quaternary 113020330200311
5 Quinary 1243341032411
6 Senary 102304531205
8 Octal 2710744065
10 Decimal 388220981
12 Duodecimal aa020b05
16 Hexadecimal 1723c835
20 Vigesimal 6167c91
36 Base36 6f4x85

Cryptographic Hash Functions

md5 792613ea8408dd0f4d434caaf2206111
sha1 bab9ceccb9da363c8f4979a2cfa1c197ace5cc37
sha256 b587bfb4b4e1af8e36324de3f41bc083e84b6aedb65c3dbed8b1acc2e99e35e6
sha512 1a4a1fe8aa83cc0b5a416a9f19671716ea73e43d3170c969c06e6e2926ed8d9c83070a93bc5b22e01a5841c87e0f0275f6256b2ae18afbff4f3423f52552d2a4
ripemd-160 89282ded3111db51d0421c56870dea2a8aa7bb61

388220981 as geometric shapes

Circle

Radius = n
Diameter 776441962
Circumference 2439264363.758
Area 4.7348680210824E+17

Sphere

Radius = n
Volume 2.4509001440669E+26
Surface area 1.893947208433E+18
Circumference 2439264363.758

Square

Length = n
Perimeter 1552883924
Area 150715530088602361
Diagonal 549027376.52799

Cube

Length = n
Surface area 904293180531614166
Volume 5.8510930942932E+25
Space diagonal 672418463.65623

Equilateral Triangle

Length = n
Perimeter 1164662943
Area 6.5261738900784E+16
Altitude 336209231.82812

Triangular Pyramid

Length = n
Surface area 6.5261738900784E+16
Volume 6.8955793405475E+24
Height 183009125.50933