388145280 (number)

388145280 is an even 9-digits composite number following 388145279 and preceding 388145281. In scientific notation, it is written as 3.88145280 × 10^8. The sum of its digits is 39. It has a total of 10 prime factors and 64 positive divisors. There are 99921920 positive integers (up to 388145280) that are relatively prime to 388145280.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million one hundred forty-five thousand two hundred eighty

Notation

Scientific notation 3.88145280 × 10^8
Engineering notation 3.88145280 × 10^6

Prime Factorization of 388145280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 29 × 6971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 6064770
Product of the distinct prime numbers

The prime factorization of 388145280 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 29 × 6971. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388145280)

Multiplication

n×y
n×2 776290560
n×3 1164435840
n×4 1552581120
n×5 1940726400

Division

n÷y
n÷2 194072640
n÷3 129381760
n÷3 97036320
n÷5 77629056

Exponentiation

ny
n2 150656758386278400
n3 5.8476709667734E+25
n4 2.2697458847461E+34
n5 8.8099115196364E+42

Nth Root

y√n
2√n 19701.402995726
3√n 729.45432417807
4√n 140.36168635253
5√n 52.215430366546

Divisors of 388145280

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388145279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388145280 can be divided by 64 positive divisors. The sum of these divisors (counting 388145280) is 1, the average is 0.015625.

Base conversion 388145280

Base System Value
2 Binary 10111001000101010000010000000
3 Ternary 1000001100211020010
4 Quaternary 113020222002000
5 Quinary 1243331122110
6 Senary 102303144520
8 Octal 2710520200
10 Decimal 388145280
12 Duodecimal a9ba5140
16 Hexadecimal 1722a080
20 Vigesimal 615i340
36 Base36 6f3atc

Cryptographic Hash Functions

md5 64ac03734766171a4fabc523a350d10f
sha1 88b1c871feaed8e6221a0414c87e297d8ee62c41
sha256 b9e375852279ab53705f5c7fe2fe5993c8a0abd1c008dfa488c307335d5462d1
sha512 2ef4c3ffe989b4cbe1c9fe5a9f1c6b4378038790bd1e7dbe82541cbcc57b467e9544967f404fca7bc7010257af63aa538af791d5d4bd46d83c07795e0b4e74ed
ripemd-160 645d10a051e6837f3aab3c5a3e5422b874c02508

388145280 as geometric shapes

Circle

Radius = n
Diameter 776290560
Circumference 2438788720.3471
Area 4.7330216535998E+17

Sphere

Radius = n
Volume 2.4494666866434E+26
Surface area 1.8932086614399E+18
Circumference 2438788720.3471

Square

Length = n
Perimeter 1552581120
Area 150656758386278400
Diagonal 548920319.1471

Cube

Length = n
Surface area 903940550317670400
Volume 5.8476709667734E+25
Space diagonal 672287345.67805

Equilateral Triangle

Length = n
Perimeter 1164435840
Area 6.5236290007166E+16
Altitude 336143672.83902

Triangular Pyramid

Length = n
Surface area 6.5236290007166E+16
Volume 6.8915463245887E+24
Height 182973439.7157