388618920 (number)

388618920 is an even 9-digits composite number following 388618919 and preceding 388618921. In scientific notation, it is written as 3.88618920 × 10^8. The sum of its digits is 45. It has a total of 7 prime factors and 64 positive divisors. There are 103220736 positive integers (up to 388618920) that are relatively prime to 388618920.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred eighteen thousand nine hundred twenty

Notation

Scientific notation 3.88618920 × 10^8
Engineering notation 3.88618920 × 10^6

Prime Factorization of 388618920

Prime Factorization 2 × 2 × 2 × 5 × 9 × 269 × 4013

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 97154730
Product of the distinct prime numbers

The prime factorization of 388618920 is 2 × 2 × 2 × 5 × 9 × 269 × 4013. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 1, 48, 36, 174, 464, 3371, 8870, 78348, 65030, 697563, 585465, 4556440, 9771444, 97732284, 85028412, 805332994, 672140437, 9223361708, 8388205125

Basic calculations (n = 388618920)

Multiplication

n×y
n×2 777237840
n×3 1165856760
n×4 1554475680
n×5 1943094600

Division

n÷y
n÷2 194309460
n÷3 129539640
n÷3 97154730
n÷5 77723784

Exponentiation

ny
n2 151024664981966400
n3 5.8691042198654E+25
n4 2.2808449432915E+34
n5 8.8637949854941E+42

Nth Root

y√n
2√n 19713.419794648
3√n 729.75091270285
4√n 140.4044863765
5√n 52.228167480736

Divisors of 388618920

1, 2, 4, 5, 8, 9, 10, 18, 20, 36, 40, 45, 72, 90, 180, 269, 360, 538, 1076, 1345, 2152, 2421, 2690, 4013, 4842, 5380, 8026, 9684, 10760, 12105, 16052, 19368, 20065, 24210, 32104, 36117, 40130, 48420, 72234, 80260, 96840, 144468, 160520, 180585, 288936, 361170, 722340, 1079497, 1444680, 2158994, 4317988, 5397485, 8635976, 9715473, 10794970, 19430946, 21589940, 38861892, 43179880, 48577365, 77723784, 97154730, 194309460, 388618920

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 -388618919
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 388618920 can be divided by 64 positive divisors. The sum of these divisors (counting 388618920) is 1, the average is 0.015625.

Base conversion 388618920

Base System Value
2 Binary 10111001010011101101010101000
3 Ternary 1000002020212221100
4 Quaternary 113022131222220
5 Quinary 1243441301140
6 Senary 102321241400
8 Octal 2712355250
10 Decimal 388618920
12 Duodecimal aa193260
16 Hexadecimal 1729daa8
20 Vigesimal 618h760
36 Base36 6fdga0

Cryptographic Hash Functions

md5 7e6cd10b6d981ebe8fa789e569ebc515
sha1 a2a37af555a7bb05ad68edd212d8ffe6d3c0a854
sha256 fe1862e37f62372a4a7f279cf8cebd9c016d2367c06fd710989c8b1943852faa
sha512 232b73ccda6ae566ace95366b4ee90b2e1313c17268f37c978b024e558dc05985efe5cf7e0ba550a573fdca116748bac8d6d24cf59515e6e117de25442cd81d9
ripemd-160 54a02129859c7dfc4f1286dc3e4509b3f02e524c

388618920 as geometric shapes

Circle

Radius = n
Diameter 777237840
Circumference 2441764688.236
Area 4.7445797801821E+17

Sphere

Radius = n
Volume 2.4584446267042E+26
Surface area 1.8978319120728E+18
Circumference 2441764688.236

Square

Length = n
Perimeter 1554475680
Area 151024664981966400
Diagonal 549590147.25878

Cube

Length = n
Surface area 906147989891798400
Volume 5.8691042198654E+25
Space diagonal 673107714.22254

Equilateral Triangle

Length = n
Perimeter 1165856760
Area 6.5395598236209E+16
Altitude 336553857.11127

Triangular Pyramid

Length = n
Surface area 6.5395598236209E+16
Volume 6.9168056555956E+24
Height 183196715.75293