21438698760864

Names of 21438698760864

• Cardinal: 21438698760864 can be written as Twenty-one trillion, four hundred thirty-eight billion, six hundred ninety-eight million, seven hundred sixty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1438698760864 × 10¹³

Factors of 21438698760864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 118845

Divisors of 21438698760864

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 66 72 77 81 84 88 96 99 108 112 126 132 144 154 162 168 176 189 198 216 224 231 252 264 288 297 308 324 336 352 378 396 432 462 504 528 567 594 616 648 672 693 756 792 864 891 911 924 1008 1056 1134 1188 1232 1296 1386 1512 1584 1782 1822 1848 2016 2079 2268 2376 2464 2592 2733 2772 3024 3168 3564 3644 3696 4158 4536 4752 5466 5544 6048 6237 6377 7128 7288 7392 8199 8316 9072 9504 10021 10932 11088 12474 12754 14256 14576 16398 16632 18144 19131 20042 21864 22176 24597 24948 25508 28512 29152 30063 32796 33264 38262 40084 43728 49194 49896 51016 57393 60126 65592 66528 70147 73791 76524 80168 87456 90189 98388 99792 102032 114786 117911 120252 131184 140294 147582 153048 160336 172179 180378 196776 199584 204064 210441 229572 235822 240504 262368 270567 280588 295164 306096 320672 344358 353733 360756 393552 420882 459144 471644 481008 516537 541134 561176 590328 612192 631323 688716 707466 721512 787104 811701 825377 841764 918288 943288 962016 1033074 1061199 1082268 1122352 1180656 1262646 1297021 1377432 1414932 1443024 1623402 1650754 1683528 1836576 1886576 1893969 2066148 2122398 2164536 2244704 2361312 2476131 2525292 2594042 2754864 2829864 2886048 3183597 3246804 3301508 3367056 3773152 3787938 3891063 4132296 4244796 4329072 4952262 5050584 5188084 5509728 5659728 5681907 6367194 6493608 6603016 6734112 7428393 7575876 7782126 8264592 8489592 8658144 9079147 9550791 9904524 10101168 10376168 11319456 11363814 11673189 12734388 12987216 13206032 14856786 15151752 15564252 16529184 16979184 18158294 19101582 19809048 20202336 20752336 22285179 22727628 23346378 25468776 25974432 26412064 27237441 29713572 30303504 31128504 33958368 35019567 36316588 38203164 39618096 41504672 44570358 45455256 46692756 50937552 54474882 59427144 60607008 62257008 66855537 70039134 72633176 76406328 79236192 81712323 89140716 90910512 93385512 101875104 105058701 107416921 108949764 118854288 124514016 133711074 140078268 145266352 152812656 163424646 178281432 181821024 186771024 210117402 214833842 217899528 237708576 245136969 267422148 280156536 290532704 305625312 322250763 326849292 356562864 373542048 420234804 429667684 435799056 490273938 534844296 560313072 644501526 653698584 713125728 735410907 751918447 840469608 859335368 871598112 966752289 980547876 1069688592 1120626144 1181586131 1289003052 1307397168 1470821814 1503836894 1680939216 1718670736 1933504578 1961095752 2139377184 2255755341 2363172262 2578006104 2614794336 2900256867 2941643628 3007673788 3361878432 3437341472 3544758393 3867009156 3922191504 4511510682 4726344524 5156012208 5800513734 5883287256 6015347576 6767266023 7089516786 7734018312 7844383008 8271102917 8700770601 9023021364 9452689048 10312024416 10634275179 11601027468 11766574512 12030695152 13534532046 14179033572 15468036624 16542205834 17401541202 18046042728 18905378096 20301798069 21268550358 23202054936 23533149024 24061390304 24813308751 27069064092 28358067144 30936073248 31902825537 33084411668 34803082404 36092085456 37810756192 40603596138 42537100716 46404109872 49626617502 54138128184 56716134288 60905394207 63805651074 66168823336 69606164808 72184170912 74439926253 81207192276 85074201432 92808219744 95708476611 99253235004 108276256368 113432268576 121810788414 127611302148 132337646672 139212329616 148879852506 162414384552 170148402864 191416953222 198506470008 216552512736 223319778759 243621576828 255222604296 264675293344 278424659232 297759705012 324828769104 340296805728 382833906444 397012940016 446639557518 487243153656 510445208592 595519410024 649657538208 669959336277 765667812888 794025880032 893279115036 974486307312 1020890417184 1191038820048 1339918672554 1531335625776 1786558230072 1948972614624 2382077640096 2679837345108 3062671251552 3573116460144 5359674690216 7146232920288 10719349380432 21438698760864
• Sum of all divisors σ(n): 78695517745152
• Sum of proper divisors (its aliquot sum) s(n): 57256818984288
• 21438698760864 is an abundant number, because the sum of its proper divisors (57256818984288) is greater than itself. Its abundance is 35818120223424

Bases of 21438698760864

• Binary: 100110111111110010110000001100010101010100000₂
• Hexadecimal: 0x137F96062AA0
• Base-36: 7LKSVPM00

Squares and roots of 21438698760864

• 21438698760864 squared (21438698760864²) is 459617804559071609058026496
• 21438698760864 cubed (21438698760864³) is 9853607657071600635002555278068479852544
• The square root of 21438698760864 is 4630194.2465585609
• The cube root of 21438698760864 is 27780.0361995899

Scales and comparisons

• 21,438,698,760,864 seconds is equal to 681,684 years, 15 weeks, 6 days, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,438,698,760,864 would take you about one million, seven hundred four thousand, two hundred ten 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 21438698760864 cubic inches would be around 2315 feet tall.

Recreational maths with 21438698760864

• 21438698760864 backwards is 46806789683412
• 21438698760864 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21438698760864's digits is 72
• More coming soon!