123423905 (number)

123423905 is an odd 9-digits composite number following 123423904 and preceding 123423906. In scientific notation, it is written as 1.23423905 × 10^8. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 83954880 positive integers (up to 123423905) that are relatively prime to 123423905.

Interesting facts

Basic properties

Name

Name one hundred twenty-three million four hundred twenty-three thousand nine hundred five

Notation

Scientific notation 1.23423905 × 10^8
Engineering notation 1.23423905 × 10^6

Prime Factorization of 123423905

Prime Factorization 5 × 11 × 19 × 1423 × 83

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 123423905
Product of the distinct prime numbers

The prime factorization of 123423905 is 5 × 11 × 19 × 1423 × 83. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 77, 18, 541, 745, 2616, 7138, 82254, 12819, 255727, 818104, 2300452, 6719448, 34192025, 50739480, 113802213, 639395773, 6337844112, 5720863443

Basic calculations (n = 123423905)

Multiplication

n×y
n×2 246847810
n×3 370271715
n×4 493695620
n×5 617119525

Division

n÷y
n÷2 61711952.5
n÷3 41141301.666667
n÷3 30855976.25
n÷5 24684781

Exponentiation

ny
n2 15233460325449025
n3 1.8801731600295E+24
n4 2.3205831348703E+32
n5 2.8641543238283E+40

Nth Root

y√n
2√n 11109.631181997
3√n 497.88964533796
4√n 105.40223518501
5√n 41.522152253261

Divisors of 123423905

1, 5, 11, 19, 55, 83, 95, 209, 415, 913, 1045, 1423, 1577, 4565, 7115, 7885, 15653, 17347, 27037, 78265, 86735, 118109, 135185, 297407, 590545, 1299199, 1487035, 2244071, 6495995, 11220355, 24684781, 123423905

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -123423904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 123423905 can be divided by 32 positive divisors. The sum of these divisors (counting 123423905) is 1, the average is 0.03125.

Base conversion 123423905

Base System Value
2 Binary 111010110110100110010100001
3 Ternary 22121020120202202
4 Quaternary 13112310302201
5 Quinary 223044031110
6 Senary 20125222545
8 Octal 726646241
10 Decimal 123423905
12 Duodecimal 35401a55
16 Hexadecimal 75b4ca1
20 Vigesimal 1ib7jf5
36 Base36 21heht

Cryptographic Hash Functions

md5 542b73e3d2e55676b01148c2f5ee71b6
sha1 5710d973a36286460e8d50529c709b789c4b04b4
sha256 aaca6be960f63ae7ccaab5713e27bfafee674fe4185be419a3c63e69de234d00
sha512 736f92d15eb8f94f2c377724807dec1e8eb0979f57af944e331b280e5ad124f51d296f57cbf6956aa8c27797265ed505dfbddb11404b043b0c6f73f927417db7
ripemd-160 00cd83790a459cd1ca69773ad25e27ef92865505

123423905 as geometric shapes

Circle

Radius = n
Diameter 246847810
Circumference 775495266.45073
Area 4.7857327047182E+16

Sphere

Radius = n
Volume 7.8756509160338E+24
Surface area 1.9142930818873E+17
Circumference 775495266.45073

Square

Length = n
Perimeter 493695620
Area 15233460325449025
Diagonal 174547760.37205

Cube

Length = n
Surface area 91400761952694150
Volume 1.8801731600295E+24
Space diagonal 213776474.32855

Equilateral Triangle

Length = n
Perimeter 370271715
Area 6.5962818146906E+15
Altitude 106888237.16428

Triangular Pyramid

Length = n
Surface area 6.5962818146906E+15
Volume 2.2158053187697E+23
Height 58182586.790683