21121420568546160

Names of 21121420568546160

• Cardinal: 21121420568546160 can be written as Twenty-one quadrillion, one hundred twenty-one trillion, four hundred twenty billion, five hundred sixty-eight million, five hundred forty-six thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.112142056854616 × 10¹⁶

Factors of 21121420568546160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 27796

Divisors of 21121420568546160

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 113 120 135 144 180 216 226 240 270 339 360 432 452 540 565 678 720 904 1017 1080 1130 1356 1695 1808 2034 2160 2260 2712 3051 3390 4068 4520 5085 5424 6102 6780 8136 9040 10170 12204 12769 13560 15255 16272 20340 24408 25538 27120 27673 30510 38307 40680 48816 51076 55346 61020 63845 76614 81360 83019 102152 110692 114921 122040 127690 138365 153228 166038 191535 204304 221384 229842 244080 249057 255380 276730 306456 332076 344763 383070 415095 442768 459684 498114 510760 553460 574605 612912 664152 689526 747171 766140 830190 919368 996228 1021520 1106920 1149210 1245285 1328304 1379052 1494342 1532280 1660380 1723815 1838736 1992456 2213840 2298420 2490570 2758104 2988684 3064560 3127049 3320760 3447630 3735855 3984912 4596840 4981140 5516208 5977368 6254098 6641520 6895260 7471710 9193680 9381147 9962280 11954736 12508196 13790520 14943420 15635245 18762294 19924560 25016392 27581040 28143441 29886840 31270490 37524588 46905735 50032784 56286882 59773680 62540980 75049176 84430323 93811470 112573764 125081960 140717205 150098352 168860646 187622940 225147528 250163920 281434410 337721292 353356537 375245880 422151615 450295056 562868820 675442584 706713074 750491760 765794929 844303230 1060069611 1125737640 1350885168 1413426148 1531589858 1688606460 1766782685 2120139222 2251475280 2297384787 2826852296 3063179716 3180208833 3377212920 3533565370 3828974645 4240278444 4594769574 5300348055 5653704592 6126359432 6360417666 6754425840 6892154361 7067130740 7657949290 8480556888 9189539148 9540626499 10600696110 11486923935 12252718864 12720835332 13784308722 14134261480 15315898580 15901044165 16961113776 18379078296 19081252998 20676463083 21201392220 22973847870 25441670664 27568617444 28268522960 30631797160 31802088330 34460771805 36758156592 38162505996 41352926166 42402784440 45947695740 47703132495 50883341328 55137234888 61263594320 63604176660 68921543610 76325011992 82705852332 84805568880 86534826977 91895391480 95406264990 103382315415 110274469776 127208353320 137843087220 152650023984 165411704664 173069653954 183790782960 190812529980 206764630830 254416706640 259604480931 275686174440 330823409328 346139307908 381625059960 413529261660 432674134885 519208961862 551372348880 692278615816 763250119920 778813442793 827058523320 865348269770 1038417923724 1298022404655 1384557231632 1557626885586 1654117046640 1730696539540 2076835847448 2336440328379 2596044809310 3115253771172 3461393079080 3894067213965 4153671694896 4672880656758 5192089618620 6230507542344 6922786158160 7788134427930 9345761313516 9778435448401 10384179237240 11682201641895 12461015084688 15576268855860 18691522627032 19556870896802 20768358474480 23364403283790 29335306345203 31152537711720 37383045254064 39113741793604 46728806567580 48892177242005 58670612690406 62305075423440 78227483587208 88005919035609 93457613135160 97784354484010 117341225380812 146676531726015 156454967174416 176011838071218 186915226270320 195568708968020 234682450761624 264017757106827 293353063452030 352023676142436 391137417936040 440029595178045 469364901523248 528035514213654 586706126904060 704047352284872 782274835872080 880059190356090 1056071028427308 1173412253808120 1320088785534135 1408094704569744 1760118380712180 2112142056854616 2346824507616240 2640177571068270 3520236761424360 4224284113709232 5280355142136540 7040473522848720 10560710284273080 21121420568546160
• Sum of all divisors σ(n): 73403728902700560
• Sum of proper divisors (its aliquot sum) s(n): 52282308334154400
• 21121420568546160 is an abundant number, because the sum of its proper divisors (52282308334154400) is greater than itself. Its abundance is 31160887765608240

Bases of 21121420568546160

• Binary: 1001011000010011101000111110010001000111100101101110000₂
• Hexadecimal: 0x4B09D1F223CB70
• Base-36: 5RYX2NNLDO0

Squares and roots of 21121420568546160

• 21121420568546160 squared (21121420568546160²) is 446114406833404792739136050745600
• 21121420568546160 cubed (21121420568546160³) is 9422570008415845583266297602370814120976016896000
• The square root of 21121420568546160 is 145332104.3972946811
• The cube root of 21121420568546160 is 276423.1264919831

Scales and comparisons

• 21,121,420,568,546,160 seconds is equal to 671,595,841 years, 12 weeks, 2 days, 36 minutes.
• To count from 1 to 21,121,420,568,546,160 would take you about two billion, fourteen million, seven hundred eighty-seven thousand, five hundred twenty-three 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 21121420568546160 cubic inches would be around 23035.3 feet tall.

Recreational maths with 21121420568546160

• 21121420568546160 backwards is 06164586502412112
• 21121420568546160 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21121420568546160's digits is 54
• More coming soon!