18628372532

Names of 18628372532

• Cardinal: 18628372532 can be written as Eighteen billion, six hundred twenty-eight million, three hundred seventy-two thousand, five hundred thirty-two.

Scientific notation

• Scientific notation: 1.8628372532 × 10¹⁰

Factors of 18628372532

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 121

Divisors of 18628372532

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 49 77 98 101 121 154 196 202 242 308 343 404 484 539 686 707 847 1078 1111 1331 1372 1414 1694 2156 2222 2662 2828 3388 3773 4444 4949 5324 5929 7546 7777 9317 9898 10201 11858 12221 15092 15554 18634 19796 20402 23716 24442 31108 34643 37268 40804 41503 48884 54439 65219 69286 71407 83006 85547 108878 112211 130438 134431 138572 142814 166012 171094 217756 224422 260876 268862 285628 342188 381073 448844 456533 499849 537724 598829 762146 785477 913066 941017 999698 1197658 1234321 1524292 1570954 1826132 1882034 1999396 2395316 2468642 3141908 3498943 3764068 4191803 4937284 5498339 6587119 6997886 8383606 8640247 10996678 13174238 13577531 13995772 16767212 17280494 21993356 26348476 27155062 34560988 38488373 46109833 54310124 60481729 76976746 92219666 95042717 120963458 153953492 184439332 190085434 241926916 380170868 423372103 665299019 846744206 1330598038 1693488412 2661196076 4657093133 9314186266 18628372532
• Sum of all divisors σ(n): 42234057600
• Sum of proper divisors (its aliquot sum) s(n): 23605685068
• 18628372532 is an abundant number, because the sum of its proper divisors (23605685068) is greater than itself. Its abundance is 4977312536

Bases of 18628372532

• Binary: 10001010110010101100110100000110100₂
• Hexadecimal: 0x456566834
• Base-36: 8K2UO8K

Squares and roots of 18628372532

• 18628372532 squared (18628372532²) is 347016263190972091024
• 18628372532 cubed (18628372532³) is 6464348225383987170810085352768
• The square root of 18628372532 is 136485.7960814971
• The cube root of 18628372532 is 2650.8895806353

Scales and comparisons

• 18,628,372,532 seconds is equal to 592 years, 16 weeks, 6 days, 3 hours, 55 minutes, 32 seconds.
• To count from 1 to 18,628,372,532 would take you about one thousand, one hundred eighty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18628372532 cubic inches would be around 220.9 feet tall.

Recreational maths with 18628372532

• 18628372532 backwards is 23527382681
• The number of decimal digits it has is: 11
• The sum of 18628372532's digits is 47
• More coming soon!