18404521980

Names of 18404521980

• Cardinal: 18404521980 can be written as Eighteen billion, four hundred four million, five hundred twenty-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.840452198 × 10¹⁰

Factors of 18404521980

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 527

Divisors of 18404521980

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 17 20 26 30 34 39 41 51 52 60 65 68 78 82 85 97 102 123 130 156 164 170 194 195 204 205 221 246 255 260 291 340 349 388 390 410 442 485 492 510 533 582 615 663 697 698 780 820 884 970 1020 1047 1066 1105 1164 1230 1261 1326 1394 1396 1455 1599 1649 1745 1940 2091 2094 2132 2210 2460 2522 2652 2665 2788 2910 3198 3298 3315 3485 3490 3783 3977 4182 4188 4420 4537 4947 5044 5235 5330 5820 5933 6305 6396 6596 6630 6970 6980 7566 7954 7995 8245 8364 9061 9074 9894 10455 10470 10660 11866 11931 12610 13260 13611 13940 14309 15132 15908 15990 16490 17799 18122 18148 18915 19788 19885 20910 20940 21437 22685 23732 23862 24735 25220 27183 27222 28618 29665 31980 32980 33853 35598 36244 37830 39770 41820 42874 42927 45305 45370 47724 49470 51701 54366 54444 57236 59330 59655 64311 67609 67706 68055 71196 71545 75660 77129 79540 85748 85854 88995 90610 90740 98940 101559 103402 107185 108732 118660 119310 128622 135218 135412 135915 136110 143090 154258 155103 169265 171708 177990 181220 186017 202827 203118 206804 214370 214635 231387 238620 243253 257244 258505 270436 271830 272220 286180 308516 310206 321555 338045 338530 355980 372034 385645 405654 406236 428740 429270 440089 462774 486506 507795 517010 543660 558051 575501 620412 643110 676090 677060 729759 744068 771290 775515 811308 858540 878917 880178 925548 930085 973012 1014135 1015590 1034020 1116102 1151002 1156935 1216265 1286220 1320267 1352180 1387973 1459518 1542580 1551030 1726503 1757834 1760356 1860170 2028270 2031180 2200445 2232204 2302004 2313870 2432530 2636751 2640534 2775946 2790255 2877505 2919036 3102060 3162289 3453006 3515668 3648795 3720340 4056540 4163919 4394585 4400890 4627740 4865060 5273502 5281068 5551892 5580510 5755010 6324578 6601335 6906012 6939865 7297590 7481513 8327838 8632515 8789170 8801780 9486867 10547004 11161020 11510020 12649156 13183755 13202670 13879730 14595180 14963026 15811445 16655676 17265030 17578340 18043649 18973734 20819595 22444539 23595541 26367510 26405340 27759460 29926052 31622890 34530060 36087298 37407565 37947468 41639190 44889078 47191082 47434335 52735020 54130947 63245780 70786623 72174596 74815130 83278380 89778156 90218245 94382164 94868670 108261894 112222695 117977705 141573246 149630260 180436490 189737340 216523788 224445390 235955410 270654735 283146492 306742033 353933115 360872980 448890780 471910820 541309470 613484066 707866230 920226099 1082618940 1226968132 1415732460 1533710165 1840452198 3067420330 3680904396 4601130495 6134840660 9202260990 18404521980
• Sum of all divisors σ(n): 60989241600
• Sum of proper divisors (its aliquot sum) s(n): 42584719620
• 18404521980 is an abundant number, because the sum of its proper divisors (42584719620) is greater than itself. Its abundance is 24180197640

Bases of 18404521980

• Binary: 10001001000111111101011011111111100₂
• Hexadecimal: 0x448FEB7FC
• Base-36: 8GDKS1O

Squares and roots of 18404521980

• 18404521980 squared (18404521980²) is 338726429312303120400
• 18404521980 cubed (18404521980³) is 6234098013485199063824386392000
• The square root of 18404521980 is 135663.2668779577
• The cube root of 18404521980 is 2640.2284954891

Scales and comparisons

• 18,404,521,980 seconds is equal to 585 years, 10 weeks, 5 days, 7 hours, 13 minutes.
• To count from 1 to 18,404,521,980 would take you about one thousand, one hundred seventy 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 18404521980 cubic inches would be around 220 feet tall.

Recreational maths with 18404521980

• 18404521980 backwards is 08912540481
• The number of decimal digits it has is: 11
• The sum of 18404521980's digits is 42
• More coming soon!