18289925290

Names of 18289925290

• Cardinal: 18289925290 can be written as Eighteen billion, two hundred eighty-nine million, nine hundred twenty-five thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.828992529 × 10¹⁰

Factors of 18289925290

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1052

Divisors of 18289925290

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 13 14 26 31 35 53 62 65 70 91 106 130 155 169 182 217 265 310 338 371 403 434 455 530 689 742 806 845 910 941 1085 1183 1378 1643 1690 1855 1882 2015 2170 2366 2821 3286 3445 3710 4030 4705 4823 5239 5642 5915 6587 6890 8215 8957 9410 9646 10478 11501 11830 12233 13174 14105 16430 17914 21359 23002 24115 24466 26195 28210 29171 32935 36673 42718 44785 48230 49873 52390 57505 58342 61165 62699 65870 73346 85631 89570 99746 106795 115010 122330 125398 145855 149513 159029 171262 183365 204197 213590 249365 277667 291710 299026 313495 318058 349111 366730 379223 408394 428155 498730 555334 626990 648349 698222 747565 758446 795145 856310 1020985 1113203 1296698 1388335 1495130 1546063 1590290 1745555 1896115 1943669 2041970 2226406 2654561 2776670 3092126 3241745 3491110 3792230 3887338 4538443 4929899 5309122 5566015 6483490 7730315 8428537 9076886 9718345 9859798 10822441 11132030 13272805 15460630 16857074 19436690 20098819 21644882 22692215 24649495 26545610 34509293 40197638 42142685 45384430 49298990 54112205 58999759 69018586 84285370 100494095 108224410 117999518 140691733 172546465 200988190 261284647 281383466 294998795 345092930 522569294 589997590 703458665 1306423235 1406917330 1828992529 2612846470 3657985058 9144962645 18289925290
• Sum of all divisors σ(n): 42895153152
• Sum of proper divisors (its aliquot sum) s(n): 24605227862
• 18289925290 is an abundant number, because the sum of its proper divisors (24605227862) is greater than itself. Its abundance is 6315302572

Bases of 18289925290

• Binary: 10001000010001010100001110010101010₂
• Hexadecimal: 0x4422A1CAA
• Base-36: 8EHCKOA

Squares and roots of 18289925290

• 18289925290 squared (18289925290²) is 334521367113781584100
• 18289925290 cubed (18289925290³) is 6118370812419728102566851889000
• The square root of 18289925290 is 135240.2502585677
• The cube root of 18289925290 is 2634.7372435839

Scales and comparisons

• 18,289,925,290 seconds is equal to 581 years, 29 weeks, 1 day, 22 hours, 48 minutes, 10 seconds.
• To count from 1 to 18,289,925,290 would take you about one thousand, one hundred sixty-three 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 18289925290 cubic inches would be around 219.6 feet tall.

Recreational maths with 18289925290

• 18289925290 backwards is 09252998281
• The number of decimal digits it has is: 11
• The sum of 18289925290's digits is 55
• More coming soon!