20697926649840

Names of 20697926649840

• Cardinal: 20697926649840 can be written as Twenty trillion, six hundred ninety-seven billion, nine hundred twenty-six million, six hundred forty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.069792664984 × 10¹³

Factors of 20697926649840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 622

Divisors of 20697926649840

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 81 88 90 99 108 110 120 121 132 135 144 162 165 176 180 198 216 220 240 242 243 264 270 297 324 330 360 363 396 405 432 440 484 486 495 528 540 594 601 605 648 660 720 726 792 810 880 891 968 972 990 1080 1089 1188 1202 1210 1215 1296 1320 1331 1452 1485 1584 1620 1782 1803 1815 1936 1944 1980 2160 2178 2376 2404 2420 2430 2640 2662 2673 2904 2970 3005 3240 3267 3564 3606 3630 3888 3960 3993 4356 4455 4752 4808 4840 4860 5324 5346 5409 5445 5808 5940 6010 6480 6534 6611 6655 7128 7212 7260 7920 7986 8712 8910 9015 9616 9680 9720 9801 10648 10692 10818 10890 11880 11979 12020 13068 13222 13310 13365 14256 14424 14520 14641 15972 16227 16335 17424 17820 18030 19440 19602 19833 19965 21296 21384 21636 21780 23760 23958 24040 26136 26444 26620 26730 27045 28848 29040 29282 29403 31944 32454 32670 33055 35640 35937 36060 39204 39666 39930 42768 43272 43560 43923 47916 48080 48681 49005 52272 52888 53240 53460 54090 58564 58806 59499 59895 63888 64908 65340 66110 71280 71874 72120 72721 73205 78408 79332 79860 81135 86544 87120 87846 95832 97362 98010 99165 105776 106480 106920 107811 108180 117128 117612 118998 119790 129816 130680 131769 132220 143748 144240 145442 146043 146410 147015 156816 158664 159720 161051 162270 175692 178497 179685 191664 194724 196020 198330 213840 215622 216360 218163 219615 234256 235224 237996 239580 243405 259632 261360 263538 264440 287496 290884 292086 292820 294030 297495 317328 319440 322102 323433 324540 351384 356994 359370 363605 389448 392040 395307 396660 431244 432720 436326 439230 470448 475992 479160 483153 486810 527076 528880 535491 539055 574992 581768 584172 585640 588060 594990 644204 646866 649080 654489 658845 702768 713988 718740 727210 730215 778896 784080 790614 793320 799931 805255 862488 872652 878460 892485 951984 958320 966306 973620 1054152 1070982 1078110 1090815 1163536 1168344 1171280 1176120 1185921 1189980 1288408 1293732 1298160 1308978 1317690 1427976 1437480 1449459 1454420 1460430 1581228 1586640 1599862 1606473 1610510 1617165 1724976 1745304 1756920 1771561 1784970 1932612 1947240 1963467 1976535 2108304 2141964 2156220 2181630 2336688 2352240 2371842 2379960 2399793 2415765 2576816 2587464 2617956 2635380 2677455 2855952 2874960 2898918 2908840 2920860 3162456 3199724 3212946 3221020 3234330 3272445 3490608 3513840 3543122 3557763 3569940 3865224 3894480 3926934 3953070 3999655 4283928 4312440 4348377 4363260 4743684 4759920 4799586 4831530 5174928 5235912 5270760 5314683 5354910 5797836 5817680 5841720 5890401 5929605 6324912 6399448 6425892 6442040 6468660 6544890 7086244 7115526 7139880 7199379 7247295 7730448 7853868 7906140 7999310 8032365 8567856 8624880 8696754 8726520 8799241 8857805 9487368 9599172 9663060 9817335 10471824 10541520 10629366 10709820 11595672 11683440 11780802 11859210 11998965 12798896 12851784 12884080 12937320 13045131 13089780 14172488 14231052 14279760 14398758 14494590 15707736 15812280 15944049 15998620 16064730 17393508 17453040 17598482 17671203 17715610 17788815 18974736 19198344 19326120 19634670 21258732 21419640 21598137 21741885 23191344 23561604 23718420 23997930 25703568 25874640 26090262 26179560 26397723 26573415 28344976 28462104 28797516 28989180 29452005 31415472 31624560 31888098 31997240 32129460 34787016 35196964 35342406 35431220 35577630 35996895 38396688 38652240 39135393 39269340 42517464 42839280 43196274 43483770 43996205 47123208 47436840 47832147 47995860 52180524 52359120 52795446 53146830 56924208 57595032 57978360 58904010 63776196 63994480 64258920 64794411 65225655 69574032 70393928 70684812 70862440 71155260 71993790 78270786 78538680 79193169 79720245 85034928 86392548 86967540 87992410 88356015 94246416 94873680 95664294 95991720 96791651 104361048 105590892 106293660 107990685 115190064 115956720 117808020 127552392 128517840 129588822 130451310 131988615 140787856 141369624 141724880 142310520 143496441 143987580 156541572 157077360 158386338 159440490 172785096 173935080 175984820 176712030 191328588 191983440 193583302 194383233 195676965 208722096 211181784 212587320 215981370 235616040 237579507 239160735 255104784 259177644 260902620 263977230 282739248 284621040 286992882 287975160 290374953 313083144 316772676 318880980 323972055 345570192 347870160 351969640 353424060 382657176 387166604 388766466 391353930 395965845 422363568 425174640 430489323 431962740 471232080 475159014 478321470 483958255 518355288 521805240 527954460 573985764 575950320 580749906 626166288 633545352 637761960 647944110 703939280 706848120 712738521 717482205 765314352 774333208 777532932 782707860 791931690 860978646 863925480 871124859 950318028 956642940 967916510 971916165 1036710576 1043610480 1055908920 1064708161 1147971528 1161499812 1187897535 1267090704 1275523920 1295888220 1413696240 1425477042 1434964410 1451874765 1548666416 1555065864 1565415720 1583863380 1721957292 1727850960 1742249718 1900636056 1913285880 1935833020 1943832330 2111817840 2129416322 2138215563 2152446615 2295943056 2322999624 2375795070 2591776440 2613374577 2850954084 2869928820 2903749530 3110131728 3130831440 3167726760 3194124483 3443914584 3484499436 3563692605 3801272112 3826571760 3871666040 3887664660 4258832644 4276431126 4304893230 4355624295 4645999248 4751590140 5183552880 5226749154 5323540805 5701908168 5739857640 5807499060 6335453520 6388248966 6887829168 6968998872 7127385210 7743332080 7775329320 7840123731 8517665288 8552862252 8609786460 8711248590 9503180280 9582373449 10453498308 10647081610 10691077815 11403816336 11479715280 11614998120 12776497932 13066872885 13937997744 14254770420 15550658640 15680247462 15970622415 17035330576 17105724504 17219572920 17422497180 19006360560 19164746898 20906996616 21294163220 21382155630 23229996240 23520371193 25552995864 26133745770 28509540840 28747120347 31360494924 31941244830 34211449008 34439145840 34844994360 38329493796 39200618655 41813993232 42588326440 42764311260 47040742386 47911867245 51105991728 52267491540 57019081680 57494240694 62720989848 63882489660 69689988720 76658987592 78401237310 85176652880 85528622520 86241361041 94081484772 95823734490 104534983080 114988481388 117601855965 125441979696 127764979320 143735601735 153317975184 156802474620 171057245040 172482722082 188162969544 191647468980 209069966160 229976962776 235203711930 255529958640 258724083123 287471203470 313604949240 344965444164 376325939088 383294937960 431206805205 459953925552 470407423860 517448166246 574942406940 627209898480 689930888328 766589875920 862413610410 940814847720 1034896332492 1149884813880 1293620415615 1379861776656 1724827220820 1881629695440 2069792664984 2299769627760 2587240831230 3449654441640 4139585329968 5174481662460 6899308883280 10348963324920 20697926649840
• Sum of all divisors σ(n): 79425433332336
• Sum of proper divisors (its aliquot sum) s(n): 58727506682496
• 20697926649840 is an abundant number, because the sum of its proper divisors (58727506682496) is greater than itself. Its abundance is 38029580032656

Bases of 20697926649840

• Binary: 100101101001100011100100100001100011111110000₂
• Hexadecimal: 0x12D31C90C7F0
• Base-36: 7C4HV4F00

Squares and roots of 20697926649840

• 20697926649840 squared (20697926649840²) is 428404167602156885972025600
• 20697926649840 cubed (20697926649840³) is 8867078037515204940825054718966715904000
• The square root of 20697926649840 is 4549497.4062900617
• The cube root of 20697926649840 is 27456.3170497781

Scales and comparisons

• 20,697,926,649,840 seconds is equal to 658,130 years, 2 weeks, 2 days, 5 hours, 24 minutes.
• To count from 1 to 20,697,926,649,840 would take you about one million, six hundred forty-five thousand, three hundred twenty-five 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 20697926649840 cubic inches would be around 2288 feet tall.

Recreational maths with 20697926649840

• 20697926649840 backwards is 04894662979602
• 20697926649840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20697926649840's digits is 72
• More coming soon!