1990780471928960

Names of 1990780471928960

• Cardinal: 1990780471928960 can be written as One quadrillion, nine hundred ninety trillion, seven hundred eighty billion, four hundred seventy-one million, nine hundred twenty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.99078047192896 × 10¹⁵

Factors of 1990780471928960

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 84168

Divisors of 1990780471928960

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 41 64 68 80 82 85 128 136 160 164 170 205 229 233 272 320 328 340 410 458 466 544 640 656 680 697 820 916 932 1088 1145 1165 1312 1360 1394 1640 1832 1864 2176 2290 2330 2624 2720 2788 3280 3485 3664 3728 3893 3961 4580 4660 5248 5440 5576 6560 6970 7328 7456 7786 7922 9160 9320 9389 9553 10880 11152 13120 13940 14656 14912 15572 15844 18320 18640 18778 19106 19465 19805 22304 26240 27880 29312 29824 31144 31688 36640 37280 37556 38212 38930 39610 44608 46945 47765 53357 55760 62288 63376 73280 74560 75112 76424 77860 79220 83641 89216 93890 95530 106714 111520 124576 126752 146560 149120 150224 152848 155720 158440 159613 162401 167282 187780 191060 213428 223040 249152 253504 266785 300448 305696 311440 316880 319226 324802 334564 375560 382120 418205 426856 446080 498304 507008 533570 600896 611392 622880 633760 638452 649604 669128 751120 764240 798065 812005 836410 853712 907069 1067140 1201792 1222784 1245760 1267520 1276904 1299208 1338256 1421897 1502240 1528480 1596130 1624010 1672820 1707424 1814138 2134280 2187637 2491520 2535040 2553808 2598416 2676512 2843794 3004480 3056960 3192260 3248020 3345640 3414848 3429281 3628276 4268560 4375274 4535345 5107616 5196832 5353024 5687588 6008960 6113920 6384520 6496040 6691280 6829696 6858562 7109485 7256552 8537120 8750548 9070690 10215232 10393664 10706048 10938185 11375176 12769040 12992080 13382560 13717124 14218970 14513104 17074240 17146405 17501096 18141380 19153789 19488353 20430464 20787328 21876370 22750352 25538080 25984160 26765120 27434248 28437940 29026208 34148480 34292810 35002192 36282760 37189829 38307578 38976706 43752740 45500704 51076160 51968320 53530240 54868496 56875880 58052416 58297777 68585620 70004384 72565520 74379658 76615156 77953412 87505480 91001408 95768945 97441765 102152320 103936640 109736992 113751760 116104832 116595554 137171240 140008768 145131040 148759316 153230312 155906824 175010960 182002816 185949145 191537890 194883530 219473984 227503520 233191108 274342480 280017536 290262080 291488885 297518632 306460624 311813648 325614413 331302001 350021920 371898290 383075780 389767060 438947968 455007040 466382216 548684960 580524160 582977770 595037264 612921248 623627296 651228826 662604002 700043840 743796580 766151560 779534120 785305349 799022473 910014080 932764432 1097369920 1165955540 1190074528 1225842496 1247254592 1302457652 1325208004 1400087680 1487593160 1532303120 1559068240 1570610698 1598044946 1628072065 1656510005 1865528864 2194739840 2331911080 2380149056 2451684992 2494509184 2604915304 2650416008 2975186320 3064606240 3118136480 3141221396 3196089892 3256144130 3313020010 3731057728 3926526745 3995112365 4462832837 4663822160 4760298112 5209830608 5300832016 5950372640 6129212480 6236272960 6282442792 6392179784 6512288260 6626040020 7462115456 7853053490 7990224730 8925665674 9327644320 10419661216 10601664032 11900745280 12258424960 12472545920 12564885584 12784359568 13024576520 13252080040 13350190933 13583382041 15706106980 15980449460 17851331348 18655288640 20839322432 21203328064 22314164185 23801490560 25129771168 25568719136 26049153040 26504160080 26700381866 27166764082 31412213960 31960898920 35702662696 37310577280 41678644864 42406656128 44628328370 50259542336 51137438272 52098306080 53008320160 53400763732 54333528164 62824427920 63921797840 66750954665 67916910205 71405325392 75868158229 89256656740 100519084672 102274876544 104196612160 106016640320 106801527464 108667056328 125648855840 127843595680 133501909330 135833820410 142810650784 151736316458 178513313480 182976146317 208393224320 212033280640 213603054928 217334112656 251297711680 255687191360 267003818660 271667640820 285621301568 303472632916 357026626960 365952292634 379340791145 427206109856 434668225312 502595423360 511374382720 534007637320 543335281640 571242603136 606945265832 714053253920 731904585268 758681582290 854412219712 869336450624 914880731585 1068015274640 1086670563280 1213890531664 1428106507840 1463809170536 1517363164580 1708824439424 1738672901248 1829761463170 2136030549280 2173341126560 2427781063328 2856213015680 2927618341072 3034726329160 3110594487389 3659522926340 4272061098560 4346682253120 4855562126656 5855236682144 6069452658320 6221188974778 7319045852680 8544122197120 8693364506240 9711124253312 11710473364288 12138905316640 12442377949556 14638091705360 15552972436945 23420946728576 24277810633280 24884755899112 29276183410720 31105944873890 48555621266560 49769511798224 58552366821440 62211889747780 99539023596448 117104733642880 124423779495560 199078047192896 248847558991120 398156094385792 497695117982240 995390235964480 1990780471928960
• Sum of all divisors σ(n): 5206925077099200
• Sum of proper divisors (its aliquot sum) s(n): 3216144605170240
• 1990780471928960 is an abundant number, because the sum of its proper divisors (3216144605170240) is greater than itself. Its abundance is 1225364133241280

Bases of 1990780471928960

• Binary: 111000100101001101010110010110110101110100010000000₂
• Hexadecimal: 0x7129AB2DAE880
• Base-36: JLO7X8K328

Squares and roots of 1990780471928960

• 1990780471928960 squared (1990780471928960²) is 3963206887413692694543286681600
• 1990780471928960 cubed (1990780471928960³) is 7889874877677535784423967355406606629339136000
• The square root of 1990780471928960 is 44618163.0272802693
• The cube root of 1990780471928960 is 125798.2087868821

Scales and comparisons

• 1,990,780,471,928,960 seconds is equal to 63,300,661 years, 6 weeks, 1 day, 7 hours, 49 minutes, 20 seconds.
• To count from 1 to 1,990,780,471,928,960 would take you about one hundred eighty-nine million, nine hundred one thousand, nine hundred eighty-three 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 1990780471928960 cubic inches would be around 10483.2 feet tall.

Recreational maths with 1990780471928960

• 1990780471928960 backwards is 0698291740870991
• 1990780471928960 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1990780471928960's digits is 80
• More coming soon!