19428940764

Names of 19428940764

• Cardinal: 19428940764 can be written as Nineteen billion, four hundred twenty-eight million, nine hundred forty thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 1.9428940764 × 10¹⁰

Factors of 19428940764

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1215

Divisors of 19428940764

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 41 53 82 106 123 159 164 212 246 307 318 369 477 492 614 636 738 809 921 954 1228 1476 1618 1842 1908 2173 2427 2763 3236 3684 4346 4854 5526 6519 7281 8692 9708 11052 12587 13038 14562 16271 19557 25174 26076 29124 32542 33169 37761 39114 42877 48813 50348 65084 66338 75522 78228 85754 97626 99507 113283 128631 132676 146439 151044 171508 195252 199014 226566 248363 257262 292878 298521 385893 398028 453132 496726 514524 585756 597042 667111 745089 771786 993452 1194084 1334222 1490178 1543572 1757957 2001333 2235267 2668444 2980356 3515914 4002666 4470534 5273871 6003999 7031828 8005332 8941068 10182883 10547742 12007998 13163239 15821613 20365766 21095484 24015996 26326478 30548649 31643226 39489717 40731532 52652956 61097298 63286452 78979434 91645947 118469151 122194596 157958868 183291894 236938302 366583788 473876604 539692799 1079385598 1619078397 2158771196 3238156794 4857235191 6476313588 9714470382 19428940764
• Sum of all divisors σ(n): 51489678240
• Sum of proper divisors (its aliquot sum) s(n): 32060737476
• 19428940764 is an abundant number, because the sum of its proper divisors (32060737476) is greater than itself. Its abundance is 12631796712

Bases of 19428940764

• Binary: 10010000110000011100001101111011100₂
• Hexadecimal: 0x4860E1BDC
• Base-36: 8XBHMN0

Squares and roots of 19428940764

• 19428940764 squared (19428940764²) is 377483739211020903696
• 19428940764 cubed (19428940764³) is 7334109208504149233875332663744
• The square root of 19428940764 is 139387.7353428199
• The cube root of 19428940764 is 2688.3328652807

Scales and comparisons

• 19,428,940,764 seconds is equal to 617 years, 40 weeks, 3 days, 23 hours, 59 minutes, 24 seconds.
• To count from 1 to 19,428,940,764 would take you about one thousand, two hundred thirty-five 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 19428940764 cubic inches would be around 224 feet tall.

Recreational maths with 19428940764

• 19428940764 backwards is 46704982491
• The number of decimal digits it has is: 11
• The sum of 19428940764's digits is 54
• More coming soon!