21487748998144

Names of 21487748998144

• Cardinal: 21487748998144 can be written as Twenty-one trillion, four hundred eighty-seven billion, seven hundred forty-eight million, nine hundred ninety-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1487748998144 × 10¹³

Factors of 21487748998144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1039

Divisors of 21487748998144

• Number of divisors d(n): 297
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 121 128 143 169 176 208 242 256 286 338 352 416 484 512 572 676 704 832 968 1013 1024 1144 1352 1408 1573 1664 1859 1936 2026 2288 2704 2816 3146 3328 3718 3872 4052 4576 5408 5632 6292 6656 7436 7744 8104 9152 10816 11143 11264 12584 13169 13312 14872 15488 16208 18304 20449 21632 22286 25168 26338 29744 30976 32416 36608 40898 43264 44572 50336 52676 59488 61952 64832 73216 81796 86528 89144 100672 105352 118976 122573 123904 129664 144859 146432 163592 171197 173056 178288 201344 210704 237952 245146 259328 289718 327184 342394 356576 402688 421408 475904 490292 518656 579436 654368 684788 713152 805376 842816 951808 980584 1026169 1037312 1158872 1308736 1369576 1426304 1593449 1610752 1685632 1883167 1903616 1961168 2052338 2317744 2617472 2739152 2852608 3186898 3371264 3766334 3922336 4104676 4635488 5234944 5478304 5705216 6373796 6742528 7532668 7844672 8209352 9270976 10469888 10956608 11287859 11410432 12747592 13340197 13485056 15065336 15689344 16418704 18541952 20714837 20939776 21913216 22575718 25495184 26680394 30130672 31378688 32837408 37083904 41429674 43826432 45151436 50990368 53360788 60261344 62757376 65674816 74167808 82859348 87652864 90302872 101980736 106721576 120522688 124166449 125514752 131349632 146742167 148335616 165718696 173422561 175305728 180605744 203961472 213443152 241045376 248332898 262699264 293484334 331437392 346845122 361211488 407922944 426886304 482090752 496665796 525398528 586968668 662874784 693690244 722422976 815845888 853772608 964181504 993331592 1050797056 1173937336 1325749568 1387380488 1444845952 1614163837 1631691776 1707545216 1907648171 1928363008 1986663184 2347874672 2651499136 2774760976 2889691904 3228327674 3415090432 3815296342 3973326368 4695749344 5302998272 5549521952 5779383808 6456655348 6830180864 7630592684 7946652736 9391498688 10605996544 11099043904 11558767616 12913310696 13660361728 15261185368 15893305472 18782997376 20984129881 21211993088 22198087808 25826621392 30522370736 31786610944 37565994752 41968259762 44396175616 51653242784 61044741472 63573221888 75131989504 83936519524 88792351232 103306485568 122089482944 127146443776 150263979008 167873039048 177584702464 206612971136 244178965888 335746078096 413225942272 488357931776 671492156192 826451884544 976715863552 1342984312384 1652903769088 1953431727104 2685968624768 5371937249536 10743874499072 21487748998144
• Sum of all divisors σ(n): 51176242604739
• Sum of proper divisors (its aliquot sum) s(n): 29688493606595
• 21487748998144 is an abundant number, because the sum of its proper divisors (29688493606595) is greater than itself. Its abundance is 8200744608451

Bases of 21487748998144

• Binary: 100111000101100000001101001010110010000000000₂
• Hexadecimal: 0x138B01A56400
• Base-36: 7M7C2YFB4

Squares and roots of 21487748998144

• 21487748998144 squared (21487748998144²) is 461723357007238475715444736
• 21487748998144 cubed (21487748998144³) is 9921395601951972998710637299611398569984
• 21487748998144 is a perfect square number. Its square root is 4635488
• The cube root of 21487748998144 is 27801.2063198843

Scales and comparisons

• 21,487,748,998,144 seconds is equal to 683,243 years, 49 weeks, 3 days, 14 hours, 9 minutes, 4 seconds.
• To count from 1 to 21,487,748,998,144 would take you about one million, seven hundred eight thousand, one hundred nine 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 21487748998144 cubic inches would be around 2316.8 feet tall.

Recreational maths with 21487748998144

• 21487748998144 backwards is 44189984778412
• The number of decimal digits it has is: 14
• The sum of 21487748998144's digits is 76
• More coming soon!