18984721470

Names of 18984721470

• Cardinal: 18984721470 can be written as Eighteen billion, nine hundred eighty-four million, seven hundred twenty-one thousand, four hundred seventy.

Scientific notation

• Scientific notation: 1.898472147 × 10¹⁰

Factors of 18984721470

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 283

Divisors of 18984721470

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 26 30 31 33 39 55 62 65 66 78 79 93 110 130 139 143 155 158 165 169 186 195 237 278 286 310 330 338 341 390 395 403 417 429 465 474 507 682 695 715 790 806 834 845 858 869 930 1014 1023 1027 1185 1209 1390 1430 1529 1690 1705 1738 1807 1859 2015 2046 2054 2085 2145 2370 2418 2449 2535 2607 3058 3081 3410 3614 3718 4030 4170 4290 4309 4345 4433 4587 4898 5070 5115 5135 5214 5239 5421 5577 6045 6162 7347 7645 8618 8690 8866 9035 9174 9295 10230 10270 10478 10842 10981 11154 11297 12090 12245 12927 13035 13299 13351 14694 15290 15405 15717 18070 18590 19877 21545 21962 22165 22594 22935 23491 24490 25854 26070 26195 26598 26702 26939 27105 27885 30810 31434 31837 32943 33891 36735 39754 40053 43090 44330 45870 46982 47399 52390 53878 54210 54905 55770 56017 56485 57629 59631 63674 64635 65886 66495 66755 67782 70473 73470 78585 80106 80817 94798 95511 99385 109810 112034 112970 115258 117455 119262 120791 129270 132990 133510 134695 140946 142197 142753 146861 157170 159185 161634 164715 168051 169455 172887 191022 198770 200265 234910 236995 241582 258401 269390 280085 284394 285506 288145 293722 298155 318370 329430 336102 338910 340411 345774 350207 352365 362373 400530 404085 413881 428259 440583 473990 477555 516802 560170 576290 596310 603955 616187 680822 700414 704730 710985 713765 724746 728221 734305 775203 808170 827762 840255 856518 864435 881166 955110 1021233 1050621 1207910 1232374 1241643 1292005 1421970 1427530 1456442 1468610 1550406 1570283 1680510 1702055 1728870 1751035 1811865 1848561 1855789 2042466 2069405 2101242 2141295 2184663 2202915 2483286 2584010 3080935 3140566 3404110 3502070 3623730 3641105 3697122 3711578 3744521 3876015 4138810 4282590 4369326 4405830 4425343 4552691 4710849 5106165 5253105 5567367 6161870 6208215 7282210 7489042 7752030 7851415 8010431 8850686 9105382 9242805 9278945 9421698 10212330 10506210 10923315 11134734 11233563 12416430 13276029 13658073 15702830 16020862 18485610 18557890 18722605 20413679 21846630 22126715 22467126 22763455 23554245 24031293 26552058 27316146 27836835 37445210 40052155 40827358 44253430 45526910 47108490 48062586 48678773 55673670 56167815 57529459 61241037 66380145 68290365 80104310 97357546 102068395 112335630 115058918 120156465 122482074 132760290 136580730 146036319 172588377 204136790 240312930 243393865 287647295 292072638 306205185 345176754 486787730 575294590 612410370 632824049 730181595 862941885 1265648098 1460363190 1725883770 1898472147 3164120245 3796944294 6328240490 9492360735 18984721470
• Sum of all divisors σ(n): 56667340800
• Sum of proper divisors (its aliquot sum) s(n): 37682619330
• 18984721470 is an abundant number, because the sum of its proper divisors (37682619330) is greater than itself. Its abundance is 18697897860

Bases of 18984721470

• Binary: 10001101011100100111101110000111110₂
• Hexadecimal: 0x46B93DC3E
• Base-36: 8PZ0GU6

Squares and roots of 18984721470

• 18984721470 squared (18984721470²) is 360419649293478960900
• 18984721470 cubed (18984721470³) is 6842466654151780359991520523000
• The square root of 18984721470 is 137785.0553216857
• The cube root of 18984721470 is 2667.6862068361

Scales and comparisons

• 18,984,721,470 seconds is equal to 603 years, 34 weeks, 13 hours, 44 minutes, 30 seconds.
• To count from 1 to 18,984,721,470 would take you about one thousand, two hundred seven 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 18984721470 cubic inches would be around 222.3 feet tall.

Recreational maths with 18984721470

• 18984721470 backwards is 07412748981
• The number of decimal digits it has is: 11
• The sum of 18984721470's digits is 51
• More coming soon!