21678676965140

Names of 21678676965140

• Cardinal: 21678676965140 can be written as Twenty-one trillion, six hundred seventy-eight billion, six hundred seventy-six million, nine hundred sixty-five thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.167867696514 × 10¹³

Factors of 21678676965140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 328

Divisors of 21678676965140

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 65 127 130 169 181 254 260 338 362 508 635 676 724 845 905 1270 1651 1690 1810 2197 2353 2540 3302 3380 3620 4394 4706 6604 8255 8788 9412 10985 11765 16129 16510 21463 21970 22987 23530 28561 30589 32258 33020 42926 43940 45974 47060 57122 61178 64516 80645 85852 91948 107315 114244 114935 122356 142805 152945 161290 209677 214630 229870 279019 285610 298831 305890 322580 371293 397657 419354 429260 459740 558038 571220 597662 611780 742586 795314 838708 1048385 1116076 1195324 1395095 1485172 1494155 1590628 1856465 1988285 2096770 2725801 2790190 2919349 2988310 3627247 3712930 3884803 3976570 4193540 5169541 5451602 5580380 5838698 5976620 7254494 7425860 7769606 7953140 10339082 10903204 11677396 13629005 14508988 14596745 15539212 18136235 19424015 20678164 25847705 27258010 29193490 35435413 36272470 37951537 38848030 47154211 50502439 51695410 54516020 58386980 67204033 70870826 72544940 75903074 77696060 94308422 101004878 103390820 134408066 141741652 151806148 177177065 188616844 189757685 202009756 235771055 252512195 268816132 336020165 354354130 379515370 460660369 471542110 493369981 505024390 656531707 672040330 708708260 759030740 921320738 943084220 986739962 1010048780 1313063414 1344080660 1842641476 1973479924 2303301845 2466849905 2626126828 3282658535 4606603690 4933699810 5988584797 6413809753 6565317070 8534912191 9213207380 9867399620 11977169594 12827619506 13130634140 17069824382 23954339188 25655239012 29942923985 32069048765 34139648764 42674560955 59885847970 64138097530 83379526789 85349121910 119771695940 128276195060 166759053578 170698243820 333518107156 416897633945 833795267890 1083933848257 1667590535780 2167867696514 4335735393028 5419669241285 10839338482570 21678676965140
• Sum of all divisors σ(n): 49985019046872
• Sum of proper divisors (its aliquot sum) s(n): 28306342081732
• 21678676965140 is an abundant number, because the sum of its proper divisors (28306342081732) is greater than itself. Its abundance is 6627665116592

Bases of 21678676965140

• Binary: 100111011011101110101110101101111011100010100₂
• Hexadecimal: 0x13B775D6F714
• Base-36: 7ON1OJDHW

Squares and roots of 21678676965140

• 21678676965140 squared (21678676965140²) is 469965034958891640775219600
• 21678676965140 cubed (21678676965140³) is 10188220177784539039699052715045044744000
• The square root of 21678676965140 is 4656036.6155282757
• The cube root of 21678676965140 is 27883.3055597265

Scales and comparisons

• 21,678,676,965,140 seconds is equal to 689,314 years, 45 weeks, 2 days, 32 minutes, 20 seconds.
• To count from 1 to 21,678,676,965,140 would take you about one million, seven hundred twenty-three thousand, two hundred eighty-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 21678676965140 cubic inches would be around 2323.6 feet tall.

Recreational maths with 21678676965140

• 21678676965140 backwards is 04156967687612
• The number of decimal digits it has is: 14
• The sum of 21678676965140's digits is 68
• More coming soon!