189145393920

Names of 189145393920

• Cardinal: 189145393920 can be written as One hundred eighty-nine billion, one hundred forty-five million, three hundred ninety-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.8914539392 × 10¹¹

Factors of 189145393920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1249

Divisors of 189145393920

• Number of divisors d(n): 1080
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 31 32 35 36 40 42 45 48 49 54 56 60 62 63 64 70 72 80 81 84 90 93 96 98 105 108 112 120 124 126 128 135 140 144 147 155 160 162 168 180 186 189 192 196 210 216 217 224 240 245 248 252 256 270 279 280 288 294 310 315 320 324 336 360 372 378 384 392 405 420 432 434 441 448 465 480 490 496 504 540 558 560 567 576 588 620 630 640 648 651 672 720 735 744 756 768 784 810 837 840 864 868 882 896 930 945 960 980 992 1008 1080 1085 1116 1120 1134 1152 1176 1201 1240 1260 1280 1296 1302 1323 1344 1395 1440 1470 1488 1512 1519 1568 1620 1674 1680 1728 1736 1764 1792 1860 1890 1920 1953 1960 1984 2016 2160 2170 2205 2232 2240 2268 2304 2352 2402 2480 2511 2520 2592 2604 2646 2688 2790 2835 2880 2940 2976 3024 3038 3136 3240 3255 3348 3360 3456 3472 3528 3603 3720 3780 3840 3906 3920 3968 3969 4032 4185 4320 4340 4410 4464 4480 4536 4557 4704 4804 4960 5022 5040 5184 5208 5292 5376 5580 5670 5760 5859 5880 5952 6005 6048 6076 6272 6480 6510 6615 6696 6720 6912 6944 7056 7206 7440 7560 7595 7812 7840 7936 7938 8064 8370 8407 8640 8680 8820 8928 8960 9072 9114 9408 9608 9765 9920 10044 10080 10368 10416 10584 10809 11160 11340 11520 11718 11760 11904 12010 12096 12152 12544 12555 12960 13020 13230 13392 13440 13671 13888 14112 14412 14880 15120 15190 15624 15680 15876 16128 16740 16814 17280 17360 17577 17640 17856 18015 18144 18228 18816 19216 19530 19840 19845 20088 20160 20736 20832 21168 21618 22320 22680 22785 23436 23520 23808 24020 24192 24304 25110 25221 25920 26040 26460 26784 26880 27342 27776 28224 28824 29295 29760 30240 30380 31248 31360 31752 32427 33480 33628 34560 34720 35154 35280 35712 36030 36288 36456 37231 37632 38432 39060 39680 39690 40176 40320 41013 41664 42035 42336 43236 44640 45360 45570 46872 47040 48040 48384 48608 50220 50442 51840 52080 52920 53568 54045 54684 55552 56448 57648 58590 58849 59520 60480 60760 62496 62720 63504 64854 66960 67256 68355 69440 70308 70560 71424 72060 72576 72912 74462 75663 76864 78120 79380 80352 80640 82026 83328 84070 84672 86472 87885 89280 90720 91140 93744 94080 96080 97216 97281 100440 100884 103680 104160 105840 107136 108090 109368 111693 112896 115296 117180 117698 119040 120960 121520 123039 124992 126105 127008 129708 133920 134512 136710 138880 140616 141120 144120 145152 145824 148924 151326 153728 156240 158760 160704 162135 164052 166656 168140 169344 172944 175770 176547 178560 181440 182280 186155 187488 188160 192160 194432 194562 200880 201768 205065 208320 211680 214272 216180 218736 223386 226989 230592 234360 235396 241920 243040 246078 249984 252210 254016 259416 260617 267840 269024 273420 277760 281232 282240 288240 291648 294245 297848 302652 307456 312480 317520 321408 324270 328104 335079 336280 338688 345888 351540 353094 357120 362880 364560 372310 374976 378315 384320 388864 389124 401760 403536 410130 416640 423360 432360 437472 446772 453978 461184 468720 470792 486080 486405 492156 499968 504420 508032 518832 521234 529641 535680 538048 546840 558465 562464 564480 576480 583296 588490 595696 605304 615195 624960 635040 642816 648540 656208 670158 672560 680967 691776 703080 706188 725760 729120 744620 749952 756630 768640 778248 781851 803520 807072 820260 833280 846720 864720 874944 882735 893544 907956 922368 937440 941584 972160 972810 984312 1005237 1008840 1016064 1037664 1042468 1059282 1071360 1076096 1093680 1116930 1124928 1134945 1152960 1166592 1176980 1191392 1210608 1230390 1249920 1270080 1297080 1303085 1312416 1340316 1345120 1361934 1383552 1406160 1412376 1458240 1489240 1499904 1513260 1537280 1556496 1563702 1588923 1607040 1614144 1640520 1675395 1693440 1729440 1749888 1765470 1787088 1815912 1824319 1874880 1883168 1944320 1945620 1968624 2010474 2017680 2075328 2084936 2118564 2152192 2187360 2233860 2249856 2269890 2305920 2345553 2353960 2382784 2421216 2460780 2499840 2540160 2594160 2606170 2624832 2648205 2680632 2690240 2723868 2767104 2812320 2824752 2916480 2978480 3015711 3026520 3112992 3127404 3177846 3214080 3228288 3281040 3350790 3404835 3458880 3499776 3530940 3574176 3631824 3648638 3749760 3766336 3891240 3909255 3937248 4020948 4035360 4150656 4169872 4237128 4374720 4467720 4499712 4539780 4611840 4691106 4707920 4765568 4766769 4842432 4921560 5026185 5080320 5188320 5212340 5249664 5296410 5361264 5380480 5447736 5472957 5624640 5649504 5832960 5956960 6031422 6053040 6225984 6254808 6355692 6456576 6562080 6701580 6809670 6917760 7036659 7061880 7148352 7263648 7297276 7499520 7532672 7782480 7818510 7874496 7944615 8041896 8070720 8301312 8339744 8474256 8749440 8935440 9079560 9121595 9382212 9415840 9531136 9533538 9684864 9843120 10052370 10376640 10424680 10499328 10592820 10722528 10760960 10895472 10945914 11249280 11299008 11727765 11913920 12062844 12106080 12451968 12509616 12711384 13124160 13403160 13619340 13835520 14073318 14123760 14296704 14527296 14594552 15065344 15078555 15564960 15637020 15748992 15889230 16083792 16141440 16418871 16679488 16948512 17498880 17870880 18159120 18243190 18764424 18831680 19067076 19369728 19686240 20104740 20753280 20849360 21109977 21185640 21445056 21790944 21891828 22498560 22598016 23455530 23827840 23833845 24125688 24212160 24903936 25019232 25422768 26248320 26806320 27238680 27364785 28146636 28247520 28593408 29054592 29189104 30157110 31129920 31274040 31497984 31778460 32167584 32282880 32837742 33358976 33897024 35183295 35741760 36318240 36486380 37528848 37663360 38134152 39372480 40209480 41506560 41698720 42219954 42371280 42890112 43581888 43783656 45196032 46911060 47655680 47667690 48251376 48424320 49256613 50038464 50845536 52496640 53612640 54477360 54729570 56293272 56495040 58109184 58378208 60314220 62259840 62548080 63556920 64335168 65675484 66717952 67794048 70366590 71483520 72636480 72972760 75057696 75326720 76268304 78744960 80418960 82094355 83397440 84439908 84742560 85780224 87163776 87567312 93822120 95335380 96502752 96848640 98513226 100076928 101691072 105549885 107225280 108954720 109459140 112586544 112990080 116756416 120628440 124519680 125096160 127113840 128670336 131350968 135588096 140733180 142967040 145272960 145945520 147769839 150115392 152536608 157489920 160837920 164188710 166794880 168879816 169485120 174327552 175134624 187644240 190670760 193005504 197026452 200153856 203382144 211099770 214450560 217909440 218918280 225173088 225980160 233512832 241256880 246283065 250192320 254227680 257340672 262701936 281466360 290545920 291891040 295539678 300230784 305073216 321675840 328377420 333589760 337759632 338970240 350269248 375288480 381341520 386011008 394052904 406764288 422199540 428901120 435818880 437836560 450346176 467025664 482513760 492566130 500384640 508455360 525403872 562932720 583782080 591079356 600461568 610146432 643351680 656754840 675519264 677940480 700538496 738849195 750576960 762683040 772022016 788105808 844399080 871637760 875673120 900692352 965027520 985132260 1000769280 1016910720 1050807744 1125865440 1167564160 1182158712 1220292864 1286703360 1313509680 1351038528 1401076992 1477698390 1501153920 1525366080 1576211616 1688798160 1751346240 1801384704 1930055040 1970264520 2033821440 2101615488 2251730880 2335128320 2364317424 2627019360 2702077056 2955396780 3002307840 3050732160 3152423232 3377596320 3502692480 3860110080 3940529040 4203230976 4503461760 4728634848 5254038720 5404154112 5910793560 6101464320 6304846464 6755192640 7005384960 7881058080 9006923520 9457269696 10508077440 11821587120 12609692928 13510385280 15762116160 18914539392 21016154880 23643174240 27020770560 31524232320 37829078784 47286348480 63048464640 94572696960 189145393920
• Sum of all divisors σ(n): 813367513728
• Sum of proper divisors (its aliquot sum) s(n): 624222119808
• 189145393920 is an abundant number, because the sum of its proper divisors (624222119808) is greater than itself. Its abundance is 435076725888

Bases of 189145393920

• Binary: 10110000001001111100011010101100000000₂
• Hexadecimal: 0x2C09F1AB00
• Base-36: 2EW4A800

Squares and roots of 189145393920

• 189145393920 squared (189145393920²) is 35775980041151972966400
• 189145393920 cubed (189145393920³) is 6766861837757747737314918924288000
• The square root of 189145393920 is 434908.4891330589
• The cube root of 189145393920 is 5740.2647508263

Scales and comparisons

• 189,145,393,920 seconds is equal to 6,014 years, 12 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 189,145,393,920 would take you about twelve thousand and twenty-eight 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 189145393920 cubic inches would be around 478.4 feet tall.

Recreational maths with 189145393920

• 189145393920 backwards is 029393541981
• 189145393920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 189145393920's digits is 54
• More coming soon!