642685905405040

Names of 642685905405040

• Cardinal: 642685905405040 can be written as Six hundred forty-two trillion, six hundred eighty-five billion, nine hundred five million, four hundred five thousand and forty.

Scientific notation

• Scientific notation: 6.4268590540504 × 10¹⁴

Factors of 642685905405040

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2635

Divisors of 642685905405040

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 56 68 70 80 85 112 119 136 140 151 170 238 272 280 302 340 449 476 560 595 604 680 755 898 911 952 1057 1093 1190 1208 1360 1510 1796 1822 1904 2114 2186 2245 2380 2416 2567 3020 3143 3592 3644 4228 4372 4490 4555 4760 5134 5285 5465 6040 6286 6377 7184 7288 7633 7651 8456 8744 8980 9110 9520 10268 10570 10930 12080 12572 12754 12835 14576 15266 15302 15487 15715 16912 17488 17960 17969 18220 18581 20536 21140 21860 25144 25508 25670 30532 30604 30974 31430 31885 35920 35938 36440 37162 38165 38255 41072 42280 43720 50288 51016 51340 53431 61064 61208 61948 62860 63770 67799 71876 72880 74324 76330 76510 77435 84560 87440 89845 92905 102032 102680 106862 108409 122128 122416 123896 125720 127540 130067 135598 137561 143752 148648 152660 153020 154870 165043 179690 185810 205360 213724 216818 247792 251440 255080 260134 267155 271196 275122 287504 297296 305320 306040 309740 330086 338995 359380 371620 409039 427448 433636 474593 490757 510160 520268 534310 542045 542392 550244 610640 612080 619480 650335 660172 677990 687805 718760 743240 818078 825215 854896 867272 949186 962927 981514 995723 1040536 1068620 1084090 1084784 1100488 1152583 1155301 1238960 1300670 1320344 1355980 1375610 1437520 1486480 1636156 1650430 1734544 1898372 1925854 1963028 1991446 2045195 2081072 2137240 2168180 2200976 2305166 2310602 2338537 2372965 2453785 2601340 2640688 2711960 2751220 2805731 2863273 3272312 3300860 3435299 3796744 3851708 3926056 3982892 4090390 4274480 4336360 4610332 4621204 4677074 4745930 4814635 4907570 4978615 5202680 5423920 5502440 5611462 5726546 5762915 5776505 6544624 6601720 6870598 6953663 6970061 7593488 7703416 7852112 7965784 8068081 8180780 8342869 8672720 9220664 9242408 9354148 9491860 9629270 9815140 9957230 10405360 11004880 11222924 11453092 11525830 11553010 11692685 13203440 13741196 13907326 13940122 14028655 14316365 15406832 15931568 16136162 16361560 16369759 16685738 16927291 17176495 18441328 18484816 18708296 18983720 19258540 19630280 19640117 19914460 22445848 22906184 23051660 23106020 23385370 27482392 27814652 27880244 28057310 28632730 32272324 32723120 32739518 33371476 33854582 34352990 34768315 34850305 37416592 37967440 38517080 39260560 39280234 39828920 40340405 41714345 44891696 45812368 46103320 46212040 46770740 48675641 54964784 55629304 55760488 56114620 57265460 58400083 61764889 64544648 65479036 66742952 67709164 68705980 69536630 69700610 74104307 77034160 78560468 79657840 80680810 81848795 83428690 84636455 92206640 92424080 93541480 97351282 98200585 111258608 111520976 112229240 114530920 116800166 118491037 123529778 129089296 130958072 133485904 135418328 137411960 139073260 139401220 148208614 150354173 157120936 161361620 163697590 166857380 169272910 187082960 194702564 196401170 224458480 229061840 233600332 236982074 243378205 247059556 261916144 270836656 274823920 278146520 278802440 292000415 296417228 300708346 308824445 314241872 322723240 327395180 333714760 338545820 370521535 389405128 392802340 432354223 447079627 467200664 473964148 486756410 494119112 518730149 556293040 557604880 584000830 592455185 592834456 601416692 617648890 645446480 654790360 667429520 677091640 741043070 751770865 778810256 785604680 864708446 894159254 934401328 947928296 973512820 988238224 1037460298 1050003113 1052479211 1168001660 1184910370 1185668912 1202833384 1235297780 1259773219 1309580720 1354183280 1482086140 1503541730 1571209360 1729416892 1788318508 1895856592 1947025640 2074920596 2100006226 2104958422 2161771115 2235398135 2336003320 2369820740 2405666768 2470595560 2519546438 2556020941 2593650745 2964172280 3007083460 3129557389 3458833784 3576637016 3894051280 4149841192 4200012452 4209916844 4323542230 4470796270 4672006640 4739641480 4941191120 5039092876 5112041882 5187301490 5250015565 5262396055 5928344560 6014166920 6259114778 6298866095 6917667568 7153274032 7350021791 7600353659 8299682384 8400024904 8419833688 8647084460 8818412533 8941592540 9479282960 10078185752 10224083764 10374602980 10500031130 10524792110 12028333840 12518229556 12597732190 12780104705 14700043582 15200707318 15647786945 16800049808 16839667376 17294168920 17636825066 17883185080 17892146587 20156371504 20448167528 20749205960 21000062260 21049584220 25036459112 25195464380 25560209410 29400087164 30401414636 31295573890 34588337840 35273650132 35766370160 35784293174 36750108955 38001768295 40896335056 41498411920 42000124520 42099168440 44092062665 50072918224 50390928760 51120418820 53202475613 58800174328 60802829272 62591147780 67509023677 70547300264 71568586348 73500217910 76003536590 84000249040 84198336880 88184125330 89460732935 100781857520 102240837640 106404951226 117600348656 121605658544 125182295560 135018047354 141094600528 143137172696 147000435820 152007073180 176368250660 178921465870 204481675280 212809902452 250364591120 266012378065 270036094708 286274345392 294000871640 304014146360 337545118385 352736501320 357842931740 425619804904 472563165739 532024756130 540072189416 588001743280 608028292720 675090236770 705473002640 715685863480 851239609808 945126331478 1064049512260 1080144378832 1147653402509 1350180473540 1431371726960 1890252662956 2128099024520 2295306805018 2362815828695 2700360947080 3780505325912 4256198049040 4590613610036 4725631657390 5400721894160 5738267012545 7561010651824 8033573817563 9181227220072 9451263314780 11476534025090 16067147635126 18362454440144 18902526629560 22953068050180 32134295270252 37805053259120 40167869087815 45906136100360 64268590540504 80335738175630 91812272200720 128537181081008 160671476351260 321342952702520 642685905405040
• Sum of all divisors σ(n): 1827863237836800
• Sum of proper divisors (its aliquot sum) s(n): 1185177332431760
• 642685905405040 is an abundant number, because the sum of its proper divisors (1185177332431760) is greater than itself. Its abundance is 542491427026720

Bases of 642685905405040

• Binary: 10010010001000010011111001000110000000010001110000₂
• Hexadecimal: 0x24884F9180470
• Base-36: 6BT9TUF434

Squares and roots of 642685905405040

• 642685905405040 squared (642685905405040²) is 413045173006296023086457401600
• 642685905405040 cubed (642685905405040³) is 265458310986732747169690909582183153944064000
• The square root of 642685905405040 is 25351250.5688583339
• The cube root of 642685905405040 is 86297.7736775569

Scales and comparisons

• 642,685,905,405,040 seconds is equal to 20,435,423 years, 43 weeks, 2 days, 12 hours, 30 minutes, 40 seconds.
• To count from 1 to 642,685,905,405,040 would take you about fifty-one million, eighty-eight thousand, five hundred fifty-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 642685905405040 cubic inches would be around 7191.5 feet tall.

Recreational maths with 642685905405040

• 642685905405040 backwards is 040504509586246
• The number of decimal digits it has is: 15
• The sum of 642685905405040's digits is 58
• More coming soon!