31978921968812

Names of 31978921968812

• Cardinal: 31978921968812 can be written as Thirty-one trillion, nine hundred seventy-eight billion, nine hundred twenty-one million, nine hundred sixty-eight thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 3.1978921968812 × 10¹³

Factors of 31978921968812

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8747

Divisors of 31978921968812

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 13 14 26 28 49 52 53 91 98 106 169 182 196 212 338 364 371 637 676 689 742 1183 1274 1378 1484 2366 2548 2597 2756 3571 4732 4823 5101 5194 7142 8281 8957 9646 10202 10388 14284 16562 17914 19292 20404 24997 33124 33761 35707 35828 46423 49994 62699 66313 67522 71414 92846 99988 125398 132626 135044 142828 174979 185692 189263 249949 250796 265252 270353 324961 349958 378526 438893 464191 499898 540706 603499 649922 699916 757052 862069 877786 928382 999796 1081412 1206998 1299844 1324841 1724138 1755572 1856764 1892471 2274727 2413996 2460419 2649682 3249337 3448276 3514589 3784942 4224493 4549454 4920838 5299364 6034483 6498674 7029178 7569884 8448986 9098908 9273887 9841676 12068966 12997348 13247297 14058356 16897972 17222933 18215671 18547774 24137932 24602123 26494594 29571451 31985447 34445866 36431342 37095548 42241381 45689657 49204246 52989188 59142902 63970894 68891732 72862684 84482762 91379314 98408492 118285804 120560531 127509697 127941788 168965524 172214861 182758628 223898129 236803723 241121062 255019394 319827599 344429722 447796258 473607446 482242124 510038788 639655198 688859444 892567879 895592516 947214892 965430563 1279310396 1567286903 1657626061 1785135758 1930861126 2238793193 3078448399 3134573806 3315252122 3570271516 3861722252 4477586386 6156896798 6269147612 6630504244 6758013941 8955172772 11603382427 12313793596 12550597319 13516027882 21549138793 23206764854 25101194638 27032055764 43098277586 46413529708 47306097587 50202389276 86196555172 87854181233 94612195174 150843971551 163157765147 175708362466 189224390348 301687943102 326315530294 351416724932 603375886204 614979268631 652631060588 1142104356029 1229958537262 2284208712058 2459917074524 4568417424116 7994730492203 15989460984406 31978921968812
• Sum of all divisors σ(n): 71857093995792
• Sum of proper divisors (its aliquot sum) s(n): 39878172026980
• 31978921968812 is an abundant number, because the sum of its proper divisors (39878172026980) is greater than itself. Its abundance is 7899250058168

Bases of 31978921968812

• Binary: 111010001010110101100010010001100010010101100₂
• Hexadecimal: 0x1D15AC48C4AC
• Base-36: BC2WWGVQK

Squares and roots of 31978921968812

• 31978921968812 squared (31978921968812²) is 1022651450287366762300691344
• 31978921968812 cubed (31978921968812³) is 32703290930032125845443954453217206363328
• The square root of 31978921968812 is 5654990.8902501337
• The cube root of 31978921968812 is 31741.0488231167

Scales and comparisons

• 31,978,921,968,812 seconds is equal to 1,016,830 years, 41 weeks, 4 days, 16 hours, 13 minutes, 32 seconds.
• To count from 1 to 31,978,921,968,812 would take you about two million, five hundred forty-two thousand and seventy-seven 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 31978921968812 cubic inches would be around 2645.1 feet tall.

Recreational maths with 31978921968812

• 31978921968812 backwards is 21886912987913
• The number of decimal digits it has is: 14
• The sum of 31978921968812's digits is 74
• More coming soon!