1681213320144640

Names of 1681213320144640

• Cardinal: 1681213320144640 can be written as One quadrillion, six hundred eighty-one trillion, two hundred thirteen billion, three hundred twenty million, one hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.68121332014464 × 10¹⁵

Factors of 1681213320144640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3250

Divisors of 1681213320144640

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 103 128 152 160 190 206 256 304 320 380 389 412 515 608 640 760 778 824 991 1030 1216 1280 1520 1556 1648 1741 1945 1957 1982 2060 2432 3040 3112 3296 3482 3890 3914 3964 4120 4864 4955 6080 6224 6592 6964 7391 7780 7828 7928 8240 8705 9785 9910 12160 12448 13184 13928 14782 15560 15656 15856 16480 17410 18829 19570 19820 24320 24896 26368 27856 29564 31120 31312 31712 32960 33079 34820 36955 37658 39140 39640 40067 49792 55712 59128 62240 62624 63424 65920 66158 69640 73910 75316 78280 79280 80134 94145 99584 102073 111424 118256 124480 125248 126848 131840 132316 139280 147820 150632 156560 158560 160268 165395 179323 188290 200335 204146 222848 236512 248960 250496 253696 264632 278560 295640 301264 313120 317120 320536 330790 358646 376580 385499 400670 408292 445696 473024 497920 500992 510365 529264 557120 591280 602528 626240 634240 641072 661580 677249 717292 753160 761273 770998 801340 816584 896615 946048 1020730 1058528 1114240 1182560 1205056 1252480 1268480 1282144 1323160 1354498 1434584 1506320 1522546 1541996 1602680 1633168 1725331 1793230 1892096 1927495 1939387 2041460 2117056 2228480 2365120 2410112 2504960 2564288 2646320 2708996 2869168 3012640 3045092 3083992 3205360 3266336 3386245 3407137 3450662 3586460 3806365 3854990 3878774 4082920 4234112 4730240 4820224 5128576 5292640 5417992 5738336 6025280 6090184 6167984 6410720 6532672 6772490 6814274 6901324 7172920 7324481 7612730 7709980 7757548 8165840 8468224 8626655 9460480 9696935 10257152 10585280 10835984 11476672 12050560 12180368 12335968 12821440 12867731 13065344 13544980 13628548 13802648 14345840 14648962 15225460 15419960 15515096 16331680 17035685 17253310 19393870 21170560 21671968 22953344 24101120 24360736 24671936 25642880 25735462 26130688 27089960 27257096 27605296 28691680 29297924 30450920 30839920 31030192 32663360 32781289 34071370 34506620 36622405 38787740 39706397 42341120 43343936 45906688 48721472 49343872 51285760 51470924 54179920 54514192 55210592 57383360 58595848 60901840 61679840 62060384 64338655 65326720 65562578 68142740 69013240 69756647 73244810 77575480 79412794 86687872 97442944 98687744 102941848 108359840 109028384 110421184 114766720 117191696 121803680 123359680 124120768 128677310 130653440 131125156 136285480 138026480 139513294 146489620 155150960 158825588 163906445 173375744 177709093 194885888 198531985 205883696 216719680 218056768 220842368 229533440 234383392 243607360 246719360 248241536 257354620 262250312 272570960 276052960 279026588 292979240 310301920 317651176 327812890 348783235 355418186 397063970 411767392 433439360 436113536 441684736 468766784 487214720 493438720 496483072 514709240 524500624 545141920 552105920 558053176 585958480 620603840 635302352 655625780 671153759 697566470 710836372 754421543 794127940 823534784 866878720 872227072 888545465 937533568 974429440 1029418480 1049001248 1090283840 1104211840 1116106352 1171916960 1241207680 1270604704 1311251560 1325376293 1342307518 1395132940 1421672744 1508843086 1588255880 1647069568 1777090930 1875067136 2058836960 2098002496 2180567680 2208423680 2232212704 2343833920 2482415360 2541209408 2622503120 2650752586 2684615036 2790265880 2843345488 3017686172 3176511760 3294139136 3355768795 3376472767 3554181860 3772107715 4117673920 4196004992 4361135360 4464425408 4687667840 5082418816 5245006240 5301505172 5369230072 5580531760 5686690976 6035372344 6353023520 6626881465 6711537590 6752945534 7108363720 7544215430 8235347840 8392009984 8928850816 9375335680 10164837632 10490012480 10603010344 10738460144 11161063520 11373381952 12070744688 12706047040 12751921421 13253762930 13423075180 13505891068 14216727440 15088430860 16470695680 16882363835 17857701632 20980024960 21206020688 21476920288 22322127040 22746763904 24141489376 25412094080 25503842842 26507525860 26846150360 27011782136 28433454880 30176861720 33764727670 41960049920 42412041376 42953840576 44644254080 45493527808 48282978752 50824188160 51007685684 53015051720 53692300720 54023564272 56866909760 60353723440 63759607105 67529455340 69128837177 84824082752 85907681152 89288508160 96565957504 102015371368 106030103440 107384601440 108047128544 113733819520 120707446880 127519214210 135058910680 138257674354 169648165504 171815362304 193131915008 204030742736 212060206880 214769202880 216094257088 227467639040 241414893760 255038428420 270117821360 276515348708 339296331008 345644185885 408061485472 424120413760 429538405760 432188514176 482829787520 510076856840 540235642720 553030697416 691288371770 816122970944 848240827520 859076811520 864377028352 965659575040 1020153713680 1080471285440 1106061394832 1313447906363 1382576743540 1632245941888 1696481655040 2040307427360 2160942570880 2212122789664 2626895812726 2765153487080 3264491883776 4080614854720 4321885141760 4424245579328 5253791625452 5530306974160 6567239531815 8161229709440 8848491158656 10507583250904 11060613948320 13134479063630 16322459418880 17696982317312 21015166501808 22121227896640 26268958127260 42030333003616 44242455793280 52537916254520 84060666007232 88484911586560 105075832509040 168121332014464 210151665018080 336242664028928 420303330036160 840606660072320 1681213320144640
• Sum of all divisors σ(n): 4297935714508800
• Sum of proper divisors (its aliquot sum) s(n): 2616722394364160
• 1681213320144640 is an abundant number, because the sum of its proper divisors (2616722394364160) is greater than itself. Its abundance is 935509074219520

Bases of 1681213320144640

• Binary: 101111110010000110111111010101111010010011100000000₂
• Hexadecimal: 0x5F90DFABD2700
• Base-36: GJXUQJ67LS

Squares and roots of 1681213320144640

• 1681213320144640 squared (1681213320144640²) is 2826478227831763789230520729600
• 1681213320144640 cubed (1681213320144640³) is 4751912845729577812421610315613940790329344000
• The square root of 1681213320144640 is 41002601.3826518085
• The cube root of 1681213320144640 is 118907.0507408389

Scales and comparisons

• 1,681,213,320,144,640 seconds is equal to 53,457,383 years, 12 weeks, 5 days, 16 hours, 10 minutes, 40 seconds.
• To count from 1 to 1,681,213,320,144,640 would take you about one hundred sixty million, three hundred seventy-two thousand, one hundred forty-nine 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 1681213320144640 cubic inches would be around 9908.9 feet tall.

Recreational maths with 1681213320144640

• 1681213320144640 backwards is 0464410233121861
• The number of decimal digits it has is: 16
• The sum of 1681213320144640's digits is 46
• More coming soon!