1809738990972

Names of 1809738990972

• Cardinal: 1809738990972 can be written as One trillion, eight hundred nine billion, seven hundred thirty-eight million, nine hundred ninety thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.809738990972 × 10¹²

Factors of 1809738990972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10021

Divisors of 1809738990972

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 67 99 108 132 134 198 201 268 297 396 402 594 603 737 804 1188 1206 1474 1809 2211 2412 2948 3571 3618 4422 6367 6633 7142 7236 8844 10713 12734 13266 14284 19101 19899 21426 25468 26532 32139 38202 39281 39798 42852 57303 64278 70037 76404 78562 79596 96417 114606 117843 128556 140074 157124 171909 192834 210111 229212 235686 239257 280148 343818 353529 385668 420222 426589 471372 478514 630333 687636 707058 717771 840444 853178 957028 1060587 1260666 1279767 1414116 1435542 1706356 1890999 2121174 2153313 2521332 2559534 2631827 2871084 3781998 3839301 4242348 4306626 4692479 5119068 5263654 6459939 7563996 7678602 7895481 8613252 9384958 10527308 11517903 12919878 14077437 15357204 15790962 18769916 22736557 23035806 23686443 25839756 28154874 31581924 42232311 45473114 46071612 47372886 56309748 68209671 71059329 84464622 90946228 94745772 126696933 136419342 142118658 168929244 204629013 250102127 253393866 272838684 284237316 409258026 500204254 506787732 613887039 750306381 818516052 1000408508 1227774078 1500612762 1523349319 2250919143 2455548156 3001225524 3046698638 4501838286 4570047957 6093397276 6752757429 9003676572 9140095914 13505514858 13710143871 16756842509 18280191828 27011029716 27420287742 33513685018 41130431613 50270527527 54840575484 67027370036 82260863226 100541055054 150811582581 164521726452 201082110108 301623165162 452434747743 603246330324 904869495486 1809738990972
• Sum of all divisors σ(n): 5197119406080
• Sum of proper divisors (its aliquot sum) s(n): 3387380415108
• 1809738990972 is an abundant number, because the sum of its proper divisors (3387380415108) is greater than itself. Its abundance is 1577641424136

Bases of 1809738990972

• Binary: 11010010101011100110110011000010101111100₂
• Hexadecimal: 0x1A55CD9857C
• Base-36: N3DRVAF0

Squares and roots of 1809738990972

• 1809738990972 squared (1809738990972²) is 3275155215444352697504784
• 1809738990972 cubed (1809738990972³) is 5927176094874946121397994138302810048
• The square root of 1809738990972 is 1345265.3979687429
• The cube root of 1809738990972 is 12186.3032503509

Scales and comparisons

• 1,809,738,990,972 seconds is equal to 57,544 years, 5 weeks, 2 days, 3 hours, 16 minutes, 12 seconds.
• To count from 1 to 1,809,738,990,972 would take you about one hundred forty-three thousand, eight hundred sixty 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 1809738990972 cubic inches would be around 1015.5 feet tall.

Recreational maths with 1809738990972

• 1809738990972 backwards is 2790998379081
• The number of decimal digits it has is: 13
• The sum of 1809738990972's digits is 72
• More coming soon!