16645304021972040

Names of 16645304021972040

• Cardinal: 16645304021972040 can be written as Sixteen quadrillion, six hundred forty-five trillion, three hundred four billion, twenty-one million, nine hundred seventy-two thousand and forty.

Scientific notation

• Scientific notation: 1.664530402197204 × 10¹⁶

Factors of 16645304021972040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6054

Divisors of 16645304021972040

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 37 40 45 54 60 72 74 90 108 111 120 135 148 180 185 216 222 270 296 333 360 370 444 540 555 666 740 888 999 1080 1110 1332 1369 1480 1665 1998 2220 2664 2738 3330 3996 4107 4440 4995 5476 6007 6660 6845 7992 8214 9990 10952 12014 12321 13320 13690 16428 18021 19980 20535 24028 24642 27380 30035 32856 36042 36963 39960 41070 48056 49284 50653 54063 54760 60070 61605 72084 73926 82140 90105 98568 101306 108126 120140 123210 144168 147852 151959 162189 164280 180210 184815 202612 216252 222259 240280 246420 253265 270315 295704 303918 324378 360420 369630 405224 432504 444518 455877 492840 506530 540630 607836 648756 666777 720840 739260 759795 810945 889036 911754 1013060 1081260 1111295 1215672 1297512 1333554 1367631 1478520 1519590 1621890 1778072 1823508 1874161 2000331 2026120 2162520 2222590 2279385 2667108 2735262 3039180 3243780 3333885 3647016 3748322 4000662 4445180 4558770 5334216 5470524 5622483 6000993 6078360 6487560 6667770 6838155 7496644 8001324 8223583 8890360 9117540 9370805 10001655 10941048 11244966 12001986 13335540 13676310 14993288 16002648 16447166 16867449 18235080 18741610 20003310 22489932 24003972 24670749 26671080 27352620 28112415 30004965 32894332 33734898 37483220 40006620 41117915 44979864 48007944 49341498 50602347 54705240 56224830 60009930 65788664 67469796 69343957 74012247 74966440 80013240 82235830 84337245 98682996 101204694 112449660 120019860 123353745 134939592 138687914 148024494 164471660 168674490 197365992 202409388 208031871 222036741 224899320 240039720 246707490 253011735 277375828 296048988 304272571 328943320 337348980 346719785 370061235 404818776 416063742 444073482 493414980 506023470 554751656 592097976 608545142 624095613 674697960 693439570 740122470 832127484 888146964 912817713 986829960 1012046940 1040159355 1110183705 1217090284 1248191226 1386879140 1480244940 1521362855 1664254968 1776293928 1825635426 1872286839 2024093880 2080318710 2220367410 2434180568 2496382452 2565726409 2738453139 2773758280 2960489880 3042725710 3120478065 3651270852 3744573678 4160637420 4440734820 4564088565 4992764904 5131452818 5476906278 6085451420 6240956130 7302541704 7489147356 7697179227 8215359417 8321274840 8881469640 9128177130 9361434195 10262905636 10953812556 11258085127 12170902840 12481912260 12828632045 13692265695 14978294712 15394358454 16430718834 18256354260 18722868390 20525811272 21907625112 22516170254 23091537681 24963824520 25657264090 27384531390 30788716908 32861437668 33774255381 36512708520 37445736780 38485896135 41076797085 45032340508 46183075362 51314528180 54769062780 56290425635 61577433816 65722875336 67548510762 69274613043 74891473560 76971792270 82153594170 90064681016 92366150724 101322766143 102629056360 109538125560 112580851270 115457688405 135097021524 138549226086 153943584540 164307188340 168871276905 184732301448 202645532286 225161702540 230915376810 270194043048 277098452172 303968298429 307887169080 328614376680 337742553810 346373065215 405291064572 416549149699 450323405080 461830753620 506613830715 554196904344 607936596858 675485107620 692746130430 810582129144 833098299398 923661507240 1013227661430 1215873193716 1249647449097 1350970215240 1385492260860 1519841492145 1666196598796 2026455322860 2082745748495 2431746387432 2499294898194 2770984521720 3039682984290 3332393197592 3748942347291 4052910645720 4165491496990 4998589796388 6079365968580 6248237245485 7497884694582 8330982993980 9997179592776 11246827041873 12158731937160 12496474490970 14995769389164 15412318538863 16661965987960 18744711736455 22493654083746 24992948981940 29991538778328 30824637077726 37489423472910 44987308167492 46236955616589 49985897963880 56234135209365 61649274155452 74978846945820 77061592694315 89974616334984 92473911233178 112468270418730 123298548310904 138710866849767 149957693891640 154123185388630 184947822466356 224936540837460 231184778082945 277421733699534 308246370777260 369895644932712 416132600549301 449873081674920 462369556165890 554843467399068 616492741554520 693554334248835 832265201098602 924739112331780 1109686934798136 1387108668497670 1664530402197204 1849478224663560 2080663002746505 2774217336995340 3329060804394408 4161326005493010 5548434673990680 8322652010986020 16645304021972040
• Sum of all divisors σ(n): 57035071780905600
• Sum of proper divisors (its aliquot sum) s(n): 40389767758933560
• 16645304021972040 is an abundant number, because the sum of its proper divisors (40389767758933560) is greater than itself. Its abundance is 23744463736961520

Bases of 16645304021972040

• Binary: 111011001000101101000011011001011010000111010001001000₂
• Hexadecimal: 0x3B22D0D9687448
• Base-36: 4JW9N3PO1U0

Squares and roots of 16645304021972040

• 16645304021972040 squared (16645304021972040²) is 277066145983878571083090541761600
• 16645304021972040 cubed (16645304021972040³) is 4611850234097746356967270646127036233607545664000
• The square root of 16645304021972040 is 129016681.1771719695
• The cube root of 16645304021972040 is 255327.2948284225

Scales and comparisons

• 16,645,304,021,972,040 seconds is equal to 529,269,180 years, 30 weeks, 5 days, 18 hours, 54 minutes.
• To count from 1 to 16,645,304,021,972,040 would take you about one billion, five hundred eighty-seven million, eight hundred seven thousand, five hundred forty-one 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 16645304021972040 cubic inches would be around 21277.3 feet tall.

Recreational maths with 16645304021972040

• 16645304021972040 backwards is 04027912040354661
• 16645304021972040 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 16645304021972040's digits is 54
• More coming soon!