18820423440

Names of 18820423440

• Cardinal: 18820423440 can be written as Eighteen billion, eight hundred twenty million, four hundred twenty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.882042344 × 10¹⁰

Factors of 18820423440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 234

Divisors of 18820423440

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 23 24 26 27 28 30 35 36 39 40 42 45 46 48 52 54 56 60 63 65 69 70 72 78 80 84 90 91 92 104 105 108 112 115 117 120 126 130 135 138 140 144 156 161 168 180 181 182 184 189 195 207 208 210 216 230 234 240 252 260 270 273 276 280 299 312 315 322 336 345 351 360 362 364 368 378 390 414 420 432 455 460 468 483 504 520 529 540 543 546 552 560 585 598 621 624 630 644 690 702 720 724 728 756 780 805 819 828 840 897 905 910 920 936 945 966 1008 1035 1040 1058 1080 1086 1092 1104 1170 1196 1242 1260 1267 1288 1365 1380 1404 1448 1449 1456 1495 1512 1560 1587 1610 1629 1638 1656 1680 1755 1794 1810 1820 1840 1872 1890 1932 2070 2093 2116 2160 2172 2184 2340 2353 2392 2415 2457 2484 2520 2534 2576 2645 2691 2715 2730 2760 2808 2896 2898 2990 3024 3105 3120 3174 3220 3258 3276 3312 3510 3588 3620 3640 3703 3780 3801 3864 4095 4140 4163 4186 4232 4344 4347 4368 4485 4680 4706 4761 4784 4830 4887 4914 4968 5040 5068 5290 5382 5430 5460 5520 5616 5796 5980 6210 6279 6335 6348 6440 6516 6552 6877 7020 7059 7176 7240 7245 7280 7406 7560 7602 7728 7935 8073 8145 8190 8280 8326 8372 8464 8688 8694 8970 9360 9412 9522 9660 9774 9828 9936 10136 10465 10580 10764 10860 10920 11109 11403 11592 11765 11960 12285 12420 12489 12558 12670 12696 12880 13032 13104 13455 13754 14040 14118 14283 14352 14480 14490 14812 15120 15204 15870 16146 16290 16380 16471 16560 16652 16744 17388 17940 18515 18824 18837 19005 19044 19320 19548 19656 20272 20631 20815 20930 21160 21177 21528 21720 21735 21840 22218 22806 23184 23530 23805 23920 24435 24570 24840 24978 25116 25340 25392 26064 26910 27508 28080 28236 28566 28980 29141 29624 30408 31395 31740 32292 32580 32760 32942 33304 33327 33488 34209 34385 34776 35295 35880 37030 37467 37648 37674 38010 38088 38640 39096 39312 40365 41262 41630 41860 42320 42354 43056 43440 43470 44436 45612 47060 47610 48139 48870 49140 49413 49680 49956 50232 50680 53820 54119 55016 55545 56472 56511 57015 57132 57960 58282 59248 60816 61893 62445 62790 63480 63531 64584 65160 65520 65884 66608 66654 68418 68770 69552 70590 71415 71760 74060 74934 75348 76020 76176 78192 80730 82355 82524 83260 83720 84708 86940 87423 88872 91224 94120 94185 95220 95749 96278 97740 98280 98826 99912 99981 100464 101360 103155 105885 107640 108238 110032 111090 112401 112944 113022 114030 114264 115920 116564 123786 124890 125580 126960 127062 129168 130320 131768 133308 136836 137540 141180 142830 144417 145705 148120 148239 149868 150696 152040 161460 162357 164710 165048 166520 166635 167440 169416 171045 173880 174846 177744 182448 185679 187335 188240 188370 190440 191498 192556 195480 196560 197652 199824 199962 206310 211770 215280 216476 222180 224802 226044 228060 228528 233128 240695 247065 247572 249780 251160 254124 262269 263536 266616 270595 273672 275080 282360 282555 285660 287247 288834 291410 296240 296478 299736 301392 304080 309465 317655 322920 324714 329420 330096 333040 333270 338832 342090 347760 349692 371358 374670 376740 378833 380880 382996 385112 390960 395304 399924 412620 423540 432952 433251 437115 444360 444717 449604 452088 456120 466256 478745 481390 487071 494130 495144 499560 499905 502320 508248 524538 533232 541190 547344 550160 562005 564720 565110 571320 574494 577668 582820 592956 599472 618930 635310 645840 649428 658840 666540 670243 684180 699384 722085 741195 742716 749340 753480 757666 765992 770224 786807 790608 799848 811785 825240 847080 861741 865904 866502 874230 888720 889434 899208 904176 912240 928395 957490 962780 974142 988260 990288 999120 999810 1016496 1049076 1082380 1124010 1130220 1136499 1142640 1148988 1155336 1165640 1185912 1237860 1244737 1270620 1298856 1299753 1311345 1317680 1333080 1340486 1368360 1398768 1436235 1444170 1461213 1482390 1485432 1498680 1506960 1515332 1531984 1573614 1599696 1623570 1650480 1694160 1723482 1733004 1748460 1778868 1798416 1856790 1894165 1914980 1925560 1948284 1976520 1999620 2010729 2098152 2164760 2166255 2223585 2248020 2260440 2272998 2297976 2310672 2331280 2371824 2435355 2475720 2489474 2541240 2585223 2597712 2599506 2622690 2666160 2680972 2736720 2872470 2888340 2922426 2964780 2970864 2997360 3030664 3147228 3247140 3351215 3409497 3446964 3466008 3496920 3557736 3713580 3734211 3788330 3829960 3851120 3896568 3934035 3953040 3999240 4021458 4196304 4308705 4329520 4332510 4447170 4496040 4520880 4545996 4595952 4870710 4951440 4978948 5082480 5170446 5199012 5245380 5361944 5682495 5744940 5776680 5844852 5929560 6032187 6061328 6223685 6294456 6494280 6498765 6702430 6818994 6893928 6932016 6993840 7115472 7306065 7427160 7468422 7576660 7659920 7793136 7868070 7998480 8042916 8617410 8665020 8713159 8894340 8992080 9091992 9741420 9957896 10053645 10228491 10340892 10398024 10490760 10723888 11202633 11364990 11489880 11553360 11689704 11859120 12064374 12447370 12588912 12926115 12988560 12997530 13404860 13637988 13787856 14612130 14854320 14936844 15153320 15736140 16085832 17047485 17234820 17330040 17426318 17788680 18096561 18183984 18671055 19482840 19915792 20107290 20456982 20681784 20796048 20981520 22405266 22729980 22979760 23379408 24128748 24894740 25852230 25995060 26139477 26809720 27275976 29224260 29873688 30160935 30306640 31472280 32171664 33607899 34094970 34469640 34660080 34852636 35577360 36193122 37342110 38965680 40214580 40913964 41363568 43565795 44810532 45459960 48257496 49789480 51142455 51704460 51990120 52278954 53619440 54551952 56013165 58448520 59747376 60321870 62944560 67215798 68189940 68939280 69705272 72386244 74684220 78418431 80429160 81827928 87131590 89621064 90482805 90919920 96514992 99578960 102284910 103408920 103980240 104557908 112026330 116897040 120643740 130697385 134431596 136379880 139410544 144772488 149368440 156836862 160858320 163655856 168039495 174263180 179242128 180965610 204569820 206817840 209115816 224052660 235255293 241287480 261394770 268863192 272759760 289544976 298736880 313673724 336078990 348526360 361931220 392092155 409139640 418231632 448105320 470510586 482574960 522789540 537726384 627347448 672157980 697052720 723862440 784184310 818279280 896210640 941021172 1045579080 1176276465 1254694896 1344315960 1447724880 1568368620 1882042344 2091158160 2352552930 2688631920 3136737240 3764084688 4705105860 6273474480 9410211720 18820423440
• Sum of all divisors σ(n): 83866298880
• Sum of proper divisors (its aliquot sum) s(n): 65045875440
• 18820423440 is an abundant number, because the sum of its proper divisors (65045875440) is greater than itself. Its abundance is 46225452000

Bases of 18820423440

• Binary: 10001100001110010001101111100010000₂
• Hexadecimal: 0x461C8DF10
• Base-36: 8N96ZO0

Squares and roots of 18820423440

• 18820423440 squared (18820423440²) is 354208338460901433600
• 18820423440 cubed (18820423440³) is 6666350915813002864455043584000
• The square root of 18820423440 is 137187.5484145701
• The cube root of 18820423440 is 2659.9683151483

Scales and comparisons

• 18,820,423,440 seconds is equal to 598 years, 22 weeks, 2 days, 23 hours, 24 minutes.
• To count from 1 to 18,820,423,440 would take you about one thousand, one hundred ninety-six 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 18820423440 cubic inches would be around 221.7 feet tall.

Recreational maths with 18820423440

• 18820423440 backwards is 04432402881
• 18820423440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18820423440's digits is 36
• More coming soon!