1990729563564280

Names of 1990729563564280

• Cardinal: 1990729563564280 can be written as One quadrillion, nine hundred ninety trillion, seven hundred twenty-nine billion, five hundred sixty-three million, five hundred sixty-four thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.99072956356428 × 10¹⁵

Factors of 1990729563564280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 140356

Divisors of 1990729563564280

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 35 40 43 44 55 56 70 77 86 88 110 121 140 154 172 215 220 242 280 301 308 344 385 430 440 473 484 602 605 616 770 847 860 946 968 1204 1210 1505 1540 1694 1720 1892 2365 2408 2420 3010 3080 3311 3388 3784 4235 4730 4840 5203 6020 6622 6776 8470 9460 10406 10531 12040 13244 16555 16940 18920 20812 21062 26015 26488 33110 33880 36421 41624 42124 52030 52655 66220 72842 73717 84248 104060 105310 115841 129757 132440 145684 147434 182105 208120 210620 231682 259514 291368 294868 364210 368585 421240 452833 463364 519028 579205 589736 648785 728420 737170 810887 905666 908299 926728 1038056 1158410 1274251 1297570 1427327 1456840 1474340 1621774 1811332 1816598 2264165 2316820 2548502 2595140 2854654 2948680 3169831 3243548 3622664 3633196 4054435 4528330 4541495 4633640 4981163 5097004 5190280 5579551 5709308 6339662 6371255 6487096 7136635 7266392 8108870 8919757 9056660 9082990 9962326 9991289 10194008 11159102 11418616 12679324 12742510 14273270 15700597 15849155 16217740 17839514 18113320 18165980 19924652 19982578 22318204 24905815 25358648 25485020 27897755 28546540 31401194 31698310 32435480 34868141 35679028 36331960 39056857 39849304 39965156 44598785 44636408 49811630 49956445 50970040 54792793 55795510 57093080 61375061 62802388 63396620 69736282 71358056 78113714 78502985 79930312 89197570 99623260 99912890 109585586 109904179 111591020 122750122 125604776 126793240 139472564 156227428 157005970 174340705 178395140 195284285 199246520 199825780 219171172 219808358 223182040 245500244 273963965 278945128 306875305 312454856 314011940 348681410 356790280 383549551 390568570 399651560 429625427 438342344 439616716 491000488 547927930 549520895 613750610 628023880 675125671 697362820 767099102 781137140 859250854 879233432 1095855860 1099041790 1227501220 1350251342 1366470967 1394725640 1534198204 1562274280 1718501708 1917747755 2148127135 2191711720 2198083580 2455002440 2700502684 2732941934 3068396408 3375628355 3437003416 3835495510 4296254270 4396167160 4725879697 5401005368 5465883868 6751256710 6832354835 7670991020 8592508540 9451759394 9565296769 10931767736 13502513420 13664709670 15031180637 15341982040 17185017080 18903518788 19130593538 23629398485 27005026840 27329419340 30062361274 37807037576 38261187076 47258796970 47826483845 54658838680 58758251581 60124722548 75155903185 76522374152 94517593940 95652967690 105218264459 117516503162 120249445096 150311806370 165342987007 189035187880 191305935380 210436528918 235033006324 293791257905 300623612740 330685974014 382611870760 411307761067 420873057836 470066012648 526091322295 587582515810 601247225480 646340767391 661371948028 822615522134 826714935035 841746115672 1052182644590 1157400909049 1175165031620 1292681534782 1322743896056 1645231044268 1653429870070 2056538805335 2104365289180 2314801818098 2350330063240 2585363069564 3231703836955 3290462088536 3306859740140 4113077610670 4208730578360 4524385371737 4629603636196 5170726139128 5787004545245 6463407673910 6613719480280 7109748441301 8226155221340 9048770743474 9259207272392 11574009090490 12926815347820 14219496882602 16452310442680 18097541486948 22621926858685 23148018180980 25853630695640 28438993765204 35548742206505 36195082973896 45243853717370 46296036361960 49768239089107 56877987530408 71097484413010 90487707434740 99536478178214 142194968826020 180975414869480 199072956356428 248841195445535 284389937652040 398145912712856 497682390891070 995364781782140 1990729563564280
• Sum of all divisors σ(n): 5758134530480640
• Sum of proper divisors (its aliquot sum) s(n): 3767404966916360
• 1990729563564280 is an abundant number, because the sum of its proper divisors (3767404966916360) is greater than itself. Its abundance is 1776675403352080

Bases of 1990729563564280

• Binary: 111000100101000111011011000011110101110100011111000₂
• Hexadecimal: 0x7128ED87AE8F8
• Base-36: JLNKJB15H4

Squares and roots of 1990729563564280

• 1990729563564280 squared (1990729563564280²) is 3963004195248828724937691918400
• 1990729563564280 cubed (1990729563564280³) is 7889269612011111491152067707852904454914752000
• The square root of 1990729563564280 is 44617592.5343835647
• The cube root of 1990729563564280 is 125797.1364711465

Scales and comparisons

• 1,990,729,563,564,280 seconds is equal to 63,299,042 years, 20 weeks, 2 days, 3 hours, 24 minutes, 40 seconds.
• To count from 1 to 1,990,729,563,564,280 would take you about one hundred eighty-nine million, eight hundred ninety-seven thousand, one hundred twenty-seven 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 1990729563564280 cubic inches would be around 10483.1 feet tall.

Recreational maths with 1990729563564280

• 1990729563564280 backwards is 0824653659270991
• The number of decimal digits it has is: 16
• The sum of 1990729563564280's digits is 76
• More coming soon!