3993921344868

Names of 3993921344868

• Cardinal: 3993921344868 can be written as Three trillion, nine hundred ninety-three billion, nine hundred twenty-one million, three hundred forty-four thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 3.993921344868 × 10¹²

Factors of 3993921344868

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8637

Divisors of 3993921344868

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 52 57 71 76 78 84 91 114 133 142 156 182 213 228 247 266 273 284 331 364 399 426 494 497 532 546 662 741 798 852 923 988 993 994 1092 1324 1349 1482 1491 1596 1729 1846 1986 1988 2317 2698 2769 2964 2982 3458 3692 3972 4047 4303 4634 5187 5396 5538 5964 6289 6461 6916 6951 8094 8191 8606 9268 9443 10374 11076 12578 12909 12922 13902 16188 16382 17212 17537 18867 18886 19383 20748 23501 24573 25156 25818 25844 27804 28329 30121 32764 35074 37734 37772 38766 44023 47002 49146 51636 52611 56658 57337 60242 70148 70503 75468 77532 81757 88046 90363 94004 98292 105222 106483 113316 114674 120484 122759 132069 141006 155629 163514 164507 172011 176092 180726 210444 212966 229348 245271 245518 264138 282012 305513 311258 319449 327028 329014 344022 361452 368277 425932 446519 466887 490542 491036 493521 528276 572299 581561 611026 622516 638898 658028 688044 736554 745381 893038 916539 933774 981084 987042 1089403 1144598 1163122 1222052 1277796 1339557 1473108 1490762 1716897 1744683 1786076 1833078 1867548 1974084 2023177 2138591 2178806 2236143 2289196 2326244 2679114 2711221 2981524 3125633 3268209 3433794 3489366 3666156 4046354 4070927 4277182 4357612 4472286 5358228 5422442 5804747 6069531 6251266 6415773 6536418 6867588 6978732 7560293 8092708 8133663 8141854 8554364 8944572 9376899 10844884 11049659 11609494 12139062 12212781 12502532 12831546 13072836 14162239 15120586 16267326 16283708 17414241 18753798 18978547 22099318 22680879 23218988 24278124 24425562 25663092 28324478 30241172 32534652 33148977 34828482 35245873 37507596 37957094 40633229 42486717 44198636 45361758 48851124 51513199 52922051 56648956 56935641 66297954 69656964 70491746 75914188 77347613 81266458 84973434 90723516 103026398 105737619 105844102 113871282 121899687 132595908 140983492 143645567 154539597 154695226 158766153 162532916 169946868 192496691 206052796 211475238 211688204 227742564 232042839 243799374 246721111 287291134 309079194 309390452 317532306 360592393 384993382 422950476 430936701 464085678 487598748 493442222 574582268 577490073 618158388 635064612 669671587 721184786 740163333 769986764 861873402 928171356 986884444 1005518969 1081777179 1154980146 1339343174 1347476837 1442369572 1480326666 1723746804 2009014761 2011037938 2163554358 2309960292 2502456983 2678686348 2694953674 2960653332 3016556907 3657437129 4018029522 4022075876 4042430511 4327108716 4687701109 5004913966 5389907348 6033113814 7314874258 7507370949 8036059044 8084861022 9375402218 10009827932 10972311387 12066227628 14063103327 14629748516 15014741898 16169722044 17517198881 18750804436 21944622774 25602059903 28126206654 30029483796 35034397762 43889245548 47546682677 51204119806 52551596643 56252413308 70068795524 76806179709 95093365354 102408239612 105103193286 142640048031 153612359418 190186730708 210206386572 285280096062 307224718836 332826778739 570560192124 665653557478 998480336217 1331307114956 1996960672434 3993921344868
• Sum of all divisors σ(n): 12281928744960
• Sum of proper divisors (its aliquot sum) s(n): 8288007400092
• 3993921344868 is an abundant number, because the sum of its proper divisors (8288007400092) is greater than itself. Its abundance is 4294086055224

Bases of 3993921344868

• Binary: 111010000111101000010000110101010101100100₂
• Hexadecimal: 0x3A1E8435564
• Base-36: 1EYS5NCRO

Squares and roots of 3993921344868

• 3993921344868 squared (3993921344868²) is 15951407708992213789937424
• 3993921344868 cubed (3993921344868³) is 63708667729635965276847451707643540032
• The square root of 3993921344868 is 1998479.7584333947
• The cube root of 3993921344868 is 15865.9653900481

Scales and comparisons

• 3,993,921,344,868 seconds is equal to 126,994 years, 17 weeks, 6 days, 11 hours, 47 minutes, 48 seconds.
• To count from 1 to 3,993,921,344,868 would take you about three hundred seventeen thousand, four hundred eighty-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 3993921344868 cubic inches would be around 1322.2 feet tall.

Recreational maths with 3993921344868

• 3993921344868 backwards is 8684431293993
• The number of decimal digits it has is: 13
• The sum of 3993921344868's digits is 69
• More coming soon!