1988987730345

Names of 1988987730345

• Cardinal: 1988987730345 can be written as One trillion, nine hundred eighty-eight billion, nine hundred eighty-seven million, seven hundred thirty thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 1.988987730345 × 10¹²

Factors of 1988987730345

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 285

Divisors of 1988987730345

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 3 5 7 9 11 15 19 21 27 29 33 35 45 55 57 63 67 71 73 77 87 95 99 105 133 135 145 165 171 189 201 203 209 213 219 231 261 285 297 315 319 335 355 365 385 399 435 469 495 497 511 513 551 603 609 627 639 657 665 693 737 781 783 803 855 945 957 1005 1015 1045 1065 1095 1155 1197 1273 1305 1349 1387 1407 1463 1485 1491 1533 1595 1653 1809 1827 1881 1917 1943 1971 1995 2059 2079 2117 2211 2233 2343 2345 2409 2485 2555 2565 2755 2871 3015 3045 3135 3195 3285 3465 3591 3685 3819 3857 3905 3915 4015 4047 4161 4221 4389 4473 4599 4757 4785 4891 4959 5159 5183 5467 5481 5621 5643 5829 5985 6061 6177 6351 6365 6633 6699 6745 6935 7029 7035 7227 7315 7455 7665 8265 8613 8911 9045 9135 9405 9443 9585 9709 9715 9855 10295 10395 10585 11055 11165 11457 11571 11715 12045 12141 12483 12663 13167 13419 13601 13797 14003 14271 14355 14413 14673 14819 14839 14877 15257 15477 15549 16401 16863 17487 17955 18183 18531 19053 19095 19285 19899 20097 20235 20805 21087 21105 21373 21681 21945 22365 22649 22995 23287 23785 24455 24795 25795 25915 26733 27335 27405 28105 28215 28329 29127 29145 30305 30885 31755 33165 33299 33495 34237 34371 34713 35145 36135 36281 36423 36917 37449 39121 39501 40223 40803 42009 42427 42813 43065 43239 44019 44457 44517 44555 45771 46431 46647 47215 48545 49203 50589 52327 52461 53801 54549 55593 57013 57159 57285 57855 60291 60705 62415 63315 64119 65835 67095 67947 68005 68985 69861 70015 71355 72065 73365 74095 74195 74385 76285 77385 77745 80199 82005 84315 84987 87381 87435 90383 90915 92655 92929 95265 98021 98477 99495 99897 100485 102711 103873 104139 105435 106799 106865 108405 108843 110751 113245 116435 117363 120669 122409 126027 127281 128439 129717 132057 133371 133551 133665 137313 137953 139293 139941 141645 141839 145635 147609 149611 150307 151767 156981 158543 161403 163009 163647 166495 171039 171185 171855 173565 181405 182115 184585 187245 192357 195605 197505 201115 203841 204015 209583 210045 212135 214065 216195 220095 222285 222585 228855 232155 233235 240597 246015 252945 254961 258419 261635 262143 262305 269005 271149 272745 273847 277965 278787 281561 285065 285795 294063 295431 299691 301455 308133 311619 320397 320595 326529 332253 339735 347261 349305 352089 362007 366289 367227 376607 378081 381843 389151 399091 400113 400653 400995 406087 411939 413859 424935 425517 430331 436905 442453 448833 450921 451915 464645 470943 475629 484209 489027 490105 492385 499485 513117 513555 519365 520695 533995 544215 553755 577071 586815 603345 611523 612045 628749 630135 632681 636405 642195 648585 650503 660285 666855 667755 686565 689339 689765 696465 699705 709195 738045 748055 751535 758835 775257 784905 792715 807015 813447 815045 818235 821541 836361 844683 855195 882189 886293 899073 924399 934857 961191 961785 965671 979587 992873 994213 996759 1019205 1022219 1041783 1047915 1052149 1056267 1083247 1086021 1098867 1129821 1145529 1197273 1202985 1218261 1241577 1274805 1276551 1290993 1292095 1310715 1327359 1346499 1352763 1355745 1369235 1393935 1407805 1412829 1426887 1452627 1467081 1470315 1477155 1498455 1517483 1539351 1540665 1558095 1560229 1601985 1632645 1653377 1661265 1736305 1760445 1810035 1831445 1836135 1883035 1890405 1898043 1909215 1945755 1951509 1995455 2000565 2003265 2030435 2059695 2068017 2069295 2127585 2151655 2212265 2244165 2254605 2325771 2354715 2378145 2421045 2430827 2440341 2445135 2464623 2509083 2534049 2565585 2621107 2646567 2658879 2694941 2804571 2842609 2855833 2883573 2885355 2897013 2978619 2982639 3012317 3057615 3066657 3097171 3125349 3143745 3156447 3163405 3249741 3252515 3296601 3389463 3446695 3591819 3654783 3724731 3819871 3829653 3872979 3876285 3982077 4039497 4058289 4067235 4107705 4181805 4223415 4280661 4401243 4410945 4431465 4495365 4552449 4621995 4674285 4680687 4805955 4828355 4897935 4960131 4964365 4971065 4983795 5111095 5208915 5260745 5281335 5416235 5430105 5494335 5649105 5694129 5727645 5854527 5986365 6091305 6204051 6207885 6382755 6454965 6597959 6636795 6732495 6763815 6959491 6977313 7064145 7134435 7155533 7263135 7292481 7335405 7393869 7582729 7587415 7602147 7696755 7801145 7863321 8084823 8266885 8527827 8567499 8691039 8935857 8947917 9036951 9199971 9291513 9376047 9469341 9490215 9749223 9757545 9889803 10070569 10168389 10340085 10622381 10775457 10921603 10964349 11459613 11573639 11618937 11628855 11946231 12154135 12201705 12323115 12545415 12670245 13105535 13232835 13294395 13474705 13657347 14022855 14042061 14213045 14279165 14417865 14485065 14880393 14893095 14913195 15061585 15333285 15485855 15626745 15782235 16248705 16483005 16947315 17082387 17563581 17959095 18273915 18347749 18612153 18623655 18864587 19099355 19148265 19364895 19793877 19910385 19990831 20197485 20291445 20878473 21403305 21466599 21877443 22006215 22748187 22762245 23403435 23589963 24254469 24800655 25583481 25702497 26073117 26739097 26807571 26843751 27110853 27599913 27874539 28408023 28470645 28832177 29247669 29272635 29644351 30211707 31020255 31414163 31867143 32764809 32989795 34378839 34720917 34797455 34886565 35777665 36462405 36969345 37913645 38010735 39316605 40424115 40972041 42126183 42639135 42837495 43455195 44641179 44679285 44739585 45184755 45999855 46185713 46457565 46880235 47346705 48746115 49449015 50352845 50841945 53111905 53877285 54608015 54821745 55043247 56593761 57298065 57868195 58094685 59381631 59731155 59972493 62635419 64399797 65632329 68244561 68286735 70210305 70493983 70769889 72577549 72763407 74401965 76750443 77107491 80217291 81332559 83623617 85411935 86496531 87817905 88933053 90635121 91738745 93060765 94242489 94322935 95601429 98294427 98969385 99954155 103136517 104162751 104392365 107332995 109387215 110776259 113740935 117949815 121272345 127917405 128512485 130365585 133695485 134037855 134218755 135554265 137999565 138557139 139372695 142040115 144160885 146238345 148221755 151058535 157070815 159335715 163824045 165129741 169781283 171894195 173604585 178144893 179917479 187906257 191340811 193199391 201825239 204733683 204860205 207510457 210630915 211481949 217732647 219899141 223205895 230928565 240651873 259489593 266799159 271905363 275216235 282727467 282968805 286804287 294883281 296908155 299862465 312488253 313177095 321998985 328161645 332328777 341222805 352469915 353849445 362887745 363817035 383752215 385537455 401086455 406662795 415671417 418118085 432482655 444665265 453175605 471212445 478007145 491472135 495389223 508042843 509343849 515682585 520813755 539752437 553881295 574022433 605475717 622531371 634445847 653197941 659697423 692785695 721955619 775433813 778468779 800397477 825648705 848182401 848906415 890724465 899587395 939531285 956704055 965996955 996986331 1009126195 1023668415 1037552285 1057409745 1088663235 1099495705 1203259365 1247014251 1297447965 1333995795 1339385677 1359526815 1413637335 1434021435 1474416405 1524128529 1562441265 1661643885 1722067299 1816427151 1867594113 1903337541 1959593823 1979092269 2078357085 2104748921 2326301439 2476946115 2540214215 2546719245 2698762185 2870112165 2990958993 3027378585 3112656855 3172229235 3265989705 3298487115 3609778095 3877169065 3892343895 4001987385 4018157031 4240912005 4572385587 4984931655 5166201897 5449281453 5602782339 5937276807 6235071255 6314246763 6696928385 6978904317 7620642645 8610336495 9082135755 9337970565 9516687705 9797969115 9895461345 10523744605 11631507195 12054471093 13717156761 14733242447 14954794965 18942740289 20090785155 20936712951 22861927935 25831009485 27246407265 28013911695 29686384035 31571233815 34894521585 36163413279 44199727341 56828220867 60272355465 68585783805 73666212235 94713701445 104683564755 132599182023 180817066395 220998636705 284141104335 397797546069 662995910115 1988987730345
• Sum of all divisors σ(n): 5008490496000
• Sum of proper divisors (its aliquot sum) s(n): 3019502765655
• 1988987730345 is an abundant number, because the sum of its proper divisors (3019502765655) is greater than itself. Its abundance is 1030515035310

Bases of 1988987730345

• Binary: 11100111100011000111010000011100110101001₂
• Hexadecimal: 0x1CF18E839A9
• Base-36: PDQ7XUW9

Squares and roots of 1988987730345

• 1988987730345 squared (1988987730345²) is 3956072191462954433819025
• 1988987730345 cubed (1988987730345³) is 7868579049178872024469857045230813625
• The square root of 1988987730345 is 1410314.7628614685
• The cube root of 1988987730345 is 12576.0436095301

Scales and comparisons

• 1,988,987,730,345 seconds is equal to 63,243 years, 34 weeks, 1 day, 7 hours, 45 minutes, 45 seconds.
• To count from 1 to 1,988,987,730,345 would take you about one hundred fifty-eight thousand, one hundred 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 1988987730345 cubic inches would be around 1048 feet tall.

Recreational maths with 1988987730345

• 1988987730345 backwards is 5430377898891
• The number of decimal digits it has is: 13
• The sum of 1988987730345's digits is 72
• More coming soon!