3894728785920

Names of 3894728785920

• Cardinal: 3894728785920 can be written as Three trillion, eight hundred ninety-four billion, seven hundred twenty-eight million, seven hundred eighty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.89472878592 × 10¹²

Factors of 3894728785920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 5153

Divisors of 3894728785920

• Number of divisors d(n): 816
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 37 40 42 45 48 56 60 63 64 70 72 74 80 84 90 96 105 111 112 120 126 128 140 144 148 160 168 180 185 192 210 222 224 240 252 256 259 280 288 296 315 320 333 336 360 370 384 420 444 448 480 504 512 518 555 560 576 592 630 640 666 672 720 740 768 777 840 888 896 960 1008 1024 1036 1110 1120 1152 1184 1260 1280 1295 1332 1344 1440 1480 1536 1554 1665 1680 1776 1792 1920 2016 2048 2072 2220 2240 2304 2331 2368 2520 2560 2590 2664 2688 2880 2960 3072 3108 3330 3360 3552 3584 3840 3885 4032 4096 4144 4440 4480 4608 4662 4736 5040 5099 5120 5180 5328 5376 5760 5920 6144 6216 6660 6720 7104 7168 7680 7770 8064 8192 8288 8880 8960 9216 9324 9472 10080 10198 10240 10360 10656 10752 11520 11655 11840 12288 12432 13320 13440 14208 14336 15297 15360 15540 16128 16384 16576 17760 17920 18432 18648 18944 20160 20396 20480 20720 21312 21504 23040 23310 23680 24576 24864 25495 26640 26880 28416 28672 30594 30720 31080 32256 32768 33152 35520 35693 35840 36864 37296 37888 40320 40792 40960 41440 42624 43008 45891 46080 46620 47360 49152 49728 50990 53280 53760 56832 57344 61188 61440 62160 64512 65536 66304 71040 71386 71680 73728 74592 75776 76485 80640 81584 81920 82880 85248 86016 91782 92160 93240 94720 98304 99456 101980 106560 107079 107520 113664 114688 122376 122880 124320 129024 132608 142080 142772 143360 147456 149184 151552 152970 161280 163168 163840 165760 170496 172032 178465 183564 184320 186480 188663 189440 196608 198912 203960 213120 214158 215040 227328 229376 229455 244752 245760 248640 258048 265216 284160 285544 286720 294912 298368 303104 305940 321237 322560 326336 327680 331520 340992 344064 356930 367128 368640 372960 377326 378880 397824 407920 426240 428316 430080 454656 458752 458910 489504 491520 497280 516096 530432 535395 565989 568320 571088 573440 589824 596736 606208 611880 642474 645120 652672 663040 681984 688128 713860 734256 737280 745920 754652 757760 795648 815840 852480 856632 860160 909312 917820 943315 979008 983040 994560 1032192 1060864 1070790 1131978 1136640 1142176 1146880 1193472 1212416 1223760 1284948 1290240 1305344 1320641 1326080 1363968 1376256 1427720 1468512 1474560 1491840 1509304 1515520 1591296 1606185 1631680 1697967 1704960 1713264 1720320 1818624 1835640 1886630 1958016 1989120 2064384 2121728 2141580 2263956 2273280 2284352 2293760 2386944 2424832 2447520 2569896 2580480 2610688 2641282 2652160 2727936 2829945 2855440 2937024 2949120 2983680 3018608 3031040 3182592 3212370 3263360 3395934 3409920 3426528 3440640 3637248 3671280 3773260 3916032 3961923 3978240 4128768 4243456 4283160 4527912 4546560 4568704 4773888 4895040 5139792 5160960 5221376 5282564 5304320 5455872 5659890 5710880 5874048 5967360 6037216 6062080 6365184 6424740 6526720 6603205 6791868 6819840 6853056 6881280 7274496 7342560 7546520 7832064 7923846 7956480 8486912 8489835 8566320 9055824 9093120 9137408 9547776 9790080 10279584 10321920 10442752 10565128 10608640 10911744 11319780 11421760 11748096 11885769 11934720 12074432 12124160 12730368 12849480 13053440 13206410 13583736 13639680 13706112 14685120 15093040 15664128 15847692 15912960 16973824 16979670 17132640 18111648 18186240 18274816 19095552 19580160 19809615 20559168 20643840 20885504 21130256 21217280 21823488 22639560 22843520 23496192 23771538 23869440 24148864 25460736 25698960 26106880 26412820 27167472 27279360 27412224 29370240 30186080 31328256 31695384 31825920 33959340 34265280 36223296 36372480 36549632 38191104 39160320 39619230 41118336 41771008 42260512 42434560 45279120 45687040 46992384 47543076 47738880 48297728 50921472 51397920 52213760 52825640 54334944 54558720 54824448 58740480 59428845 60372160 62656512 63390768 63651840 67918680 68530560 72446592 73099264 76382208 78320640 79238460 82236672 83542016 84521024 84869120 90558240 91374080 93984768 95086152 95477760 96595456 102795840 104427520 105651280 108669888 109117440 109648896 117480960 118857690 120744320 125313024 126781536 127303680 135837360 137061120 144893184 146198528 152764416 156641280 158476920 164473344 167084032 169042048 181116480 182748160 187969536 190172304 190955520 193190912 205591680 208855040 211302560 217339776 219297792 234961920 237715380 241488640 250626048 253563072 254607360 271674720 274122240 289786368 292397056 313282560 316953840 328946688 334168064 338084096 362232960 365496320 375939072 380344608 381911040 386381824 411183360 417710080 422605120 434679552 438595584 469923840 475430760 482977280 501252096 507126144 543349440 548244480 579572736 584794112 626565120 633907680 657893376 676168192 724465920 730992640 751878144 760689216 763822080 772763648 822366720 835420160 845210240 869359104 877191168 939847680 950861520 965954560 1002504192 1014252288 1086698880 1096488960 1159145472 1169588224 1253130240 1267815360 1315786752 1352336384 1448931840 1461985280 1503756288 1521378432 1545527296 1644733440 1670840320 1690420480 1738718208 1754382336 1879695360 1901723040 1931909120 2028504576 2173397760 2192977920 2318290944 2339176448 2506260480 2535630720 2631573504 2704672768 2897863680 2923970560 3007512576 3042756864 3091054592 3289466880 3380840960 3477436416 3508764672 3759390720 3803446080 3863818240 4057009152 4346795520 4385955840 4636581888 5012520960 5071261440 5263147008 5409345536 5795727360 5847941120 6085513728 6182109184 6578933760 6761681920 6954872832 7017529344 7518781440 7606892160 7727636480 8114018304 8693591040 8771911680 9273163776 10142522880 10526294016 10818691072 11591454720 11695882240 12171027456 12364218368 13157867520 13523363840 13909745664 15037562880 15213784320 15455272960 16228036608 17387182080 17543823360 18546327552 20285045760 21052588032 21637382144 23182909440 24342054912 26315735040 27046727680 27819491328 30427568640 30910545920 32456073216 34774364160 35087646720 37092655104 40570091520 43274764288 46365818880 48684109824 52631470080 54093455360 55638982656 60855137280 61821091840 64912146432 69548728320 81140183040 86549528576 92731637760 97368219648 105262940160 108186910720 111277965312 121710274560 129824292864 139097456640 162280366080 185463275520 194736439296 216373821440 243420549120 259648585728 278194913280 324560732160 389472878592 432747642880 486841098240 556389826560 649121464320 778945757184 973682196480 1298242928640 1947364392960 3894728785920
• Sum of all divisors σ(n): 15850573315200
• Sum of proper divisors (its aliquot sum) s(n): 11955844529280
• 3894728785920 is an abundant number, because the sum of its proper divisors (11955844529280) is greater than itself. Its abundance is 8061115743360

Bases of 3894728785920

• Binary: 111000101011001111111011010000000000000000₂
• Hexadecimal: 0x38ACFED0000
• Base-36: 1DP7OYKG0

Squares and roots of 3894728785920

• 3894728785920 squared (3894728785920²) is 15168912315873877190246400
• 3894728785920 cubed (3894728785920³) is 59078799447730401253011542337650688000
• The square root of 3894728785920 is 1973506.7230491007
• The cube root of 3894728785920 is 15733.5143346663

Scales and comparisons

• 3,894,728,785,920 seconds is equal to 123,840 years, 17 weeks, 11 hours, 12 minutes.
• To count from 1 to 3,894,728,785,920 would take you about three hundred nine thousand, six hundred 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 3894728785920 cubic inches would be around 1311.1 feet tall.

Recreational maths with 3894728785920

• 3894728785920 backwards is 0295878274983
• 3894728785920 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3894728785920's digits is 72
• More coming soon!