138234904830

Names of 138234904830

• Cardinal: 138234904830 can be written as One hundred thirty-eight billion, two hundred thirty-four million, nine hundred four thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.3823490483 × 10¹¹

Factors of 138234904830

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 38

Divisors of 138234904830

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 17 18 22 27 30 33 34 45 51 54 55 66 85 90 99 102 110 121 135 153 165 170 187 198 242 255 270 289 297 306 330 363 374 459 495 510 561 578 594 605 726 765 867 918 935 990 1089 1122 1210 1331 1445 1485 1530 1683 1734 1815 1870 2057 2178 2295 2601 2662 2805 2890 2970 3179 3267 3366 3630 3993 4114 4335 4590 5049 5202 5445 5610 6171 6358 6534 6655 7803 7986 8415 8670 9537 10098 10285 10890 11979 12342 13005 13310 14641 15606 15895 16335 16830 18513 19074 19965 20570 22627 23958 25245 26010 28611 29282 30855 31790 32670 34969 35937 37026 39015 39930 43923 45254 47685 50490 55539 57222 59895 61710 67881 69938 71874 73205 78030 85833 87846 92565 95370 104907 111078 113135 119790 131769 135762 143055 146410 161051 171666 174845 179685 185130 203643 209814 219615 226270 248897 263538 277695 286110 314721 322102 339405 349690 359370 384659 395307 407286 429165 439230 483153 497794 524535 555390 610929 629442 658845 678810 746691 769318 790614 805255 858330 944163 966306 1018215 1049070 1153977 1221858 1244485 1317690 1449459 1493382 1573605 1610510 1771561 1888326 1923295 1976535 2036430 2240073 2307954 2415765 2488970 2737867 2898918 3054645 3147210 3461931 3543122 3733455 3846590 3953070 4231249 4348377 4480146 4720815 4831530 5314683 5475734 5769885 6109290 6720219 6923862 7247295 7466910 8213601 8462498 8696754 8857805 9441630 10385793 10629366 11200365 11539770 12693747 13440438 13689335 14494590 15944049 16427202 17309655 17715610 20771586 21156245 21741885 22400730 24640803 25387494 26573415 27378670 30116537 31888098 33601095 34619310 38081241 41068005 42312490 43483770 46543739 47832147 49281606 51928965 53146830 60233074 63468735 67202190 73922409 76162482 79720245 82136010 90349611 93087478 95664294 103857930 114243723 123204015 126937470 139631217 147844818 150582685 159440490 180699222 190406205 228487446 232718695 239160735 246408030 271048833 279262434 301165370 369612045 380812410 418893651 451748055 465437390 478321470 511981129 542097666 571218615 698156085 739224090 813146499 837787302 903496110 1023962258 1142437230 1256680953 1355244165 1396312170 1535943387 1626292998 2094468255 2513361906 2559905645 2710488330 3071886774 4065732495 4188936510 4607830161 5119811290 6283404765 7679716935 8131464990 9215660322 12566809530 13823490483 15359433870 23039150805 27646980966 46078301610 69117452415 138234904830
• Sum of all divisors σ(n): 430744405680
• Sum of proper divisors (its aliquot sum) s(n): 292509500850
• 138234904830 is an abundant number, because the sum of its proper divisors (292509500850) is greater than itself. Its abundance is 154274596020

Bases of 138234904830

• Binary: 10000000101111011100010100000011111110₂
• Hexadecimal: 0x202F7140FE
• Base-36: 1RI5HR7I

Squares and roots of 138234904830

• 138234904830 squared (138234904830²) is 19108888913359157328900
• 138234904830 cubed (138234904830³) is 2641515440345245228969488508587000
• The square root of 138234904830 is 371799.5492600819
• The cube root of 138234904830 is 5170.5797297693

Scales and comparisons

• 138,234,904,830 seconds is equal to 4,395 years, 23 weeks, 40 minutes, 30 seconds.
• To count from 1 to 138,234,904,830 would take you about eight thousand, seven hundred ninety 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 138234904830 cubic inches would be around 430.9 feet tall.

Recreational maths with 138234904830

• 138234904830 backwards is 038409432831
• 138234904830 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138234904830's digits is 45
• More coming soon!