21684349090140840

Names of 21684349090140840

• Cardinal: 21684349090140840 can be written as Twenty-one quadrillion, six hundred eighty-four trillion, three hundred forty-nine billion, ninety million, one hundred forty thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.168434909014084 × 10¹⁶

Factors of 21684349090140840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3146009

Divisors of 21684349090140840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 227 360 454 681 908 1135 1362 1816 2043 2270 2724 3405 4086 4540 5448 6810 8172 9080 10215 13620 16344 20430 27240 40860 81720 86743 173486 260229 346972 433715 520458 693944 780687 867430 1040916 1301145 1561374 1734860 2081832 2602290 3059029 3122748 3469720 3903435 5204580 6118058 6245496 7806870 9177087 10409160 12236116 15295145 15613740 18354174 19690661 24472232 27531261 30590290 31227480 36708348 39381322 45885435 55062522 59071983 61180580 73416696 78762644 91770870 98453305 110125044 118143966 122361160 137656305 157525288 177215949 183541740 196906610 220250088 236287932 275312610 295359915 354431898 367083480 393813220 472575864 550625220 590719830 694399583 708863796 787626440 886079745 1101250440 1181439660 1388799166 1417727592 1772159490 2083198749 2362879320 2777598332 3471997915 3544318980 4166397498 5555196664 6249596247 6943995830 7088637960 8332794996 10415993745 12499192494 13887991660 16665589992 20831987490 24998384988 27775983320 31247981235 41663974980 49996769976 62495962470 83327949960 124991924940 249983849880 265349352547 530698705094 796048057641 1061397410188 1326746762735 1592096115282 2122794820376 2388144172923 2653493525470 3184192230564 3980240288205 4776288345846 5306987050940 6368384461128 7960480576410 9552576691692 10613974101880 11940720864615 15920961152820 19105153383384 23881441729230 31841922305640 47762883458460 60234303028169 95525766916920 120468606056338 180702909084507 240937212112676 301171515140845 361405818169014 481874424225352 542108727253521 602343030281690 722811636338028 903514545422535 1084217454507042 1204686060563380 1445623272676056 1807029090845070 2168434909014084 2409372121126760 2710543636267605 3614058181690140 4336869818028168 5421087272535210 7228116363380280 10842174545070420 21684349090140840
• Sum of all divisors σ(n): 70785432451843200
• Sum of proper divisors (its aliquot sum) s(n): 49101083361702360
• 21684349090140840 is an abundant number, because the sum of its proper divisors (49101083361702360) is greater than itself. Its abundance is 27416734271561520

Bases of 21684349090140840

• Binary: 1001101000010011100110011110100101101000001001010101000₂
• Hexadecimal: 0x4D09CCF4B412A8
• Base-36: 5XIGKG6YU20

Squares and roots of 21684349090140840

• 21684349090140840 squared (21684349090140840²) is 470210995463091875551691035905600
• 21684349090140840 cubed (21684349090140840³) is 10196219371644314956806726622153454851400944704000
• The square root of 21684349090140840 is 147256066.3950413963
• The cube root of 21684349090140840 is 278857.3719340185

Scales and comparisons

• 21,684,349,090,140,840 seconds is equal to 689,495,226 years, 50 weeks, 3 days, 8 hours, 54 minutes.
• To count from 1 to 21,684,349,090,140,840 would take you about two billion, sixty-eight million, four hundred eighty-five thousand, six hundred eighty 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 21684349090140840 cubic inches would be around 23238.1 feet tall.

Recreational maths with 21684349090140840

• 21684349090140840 backwards is 04804109094348612
• The number of decimal digits it has is: 17
• The sum of 21684349090140840's digits is 63
• More coming soon!