381418730

Names of 381418730

• Cardinal: 381418730 can be written as Three hundred eighty-one million, four hundred eighteen thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 3.8141873 × 10⁸

Factors of 381418730

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 104

Divisors of 381418730

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 11 14 19 22 29 31 35 38 55 58 62 70 77 95 110 133 145 154 155 190 203 209 217 266 290 310 319 341 385 406 418 434 551 589 638 665 682 770 841 899 1015 1045 1085 1102 1178 1330 1463 1595 1682 1705 1798 2030 2090 2170 2233 2387 2755 2926 2945 3190 3410 3857 4123 4205 4466 4495 4774 5510 5887 5890 6061 6293 6479 7315 7714 8246 8410 8990 9251 9889 11165 11774 11935 12122 12586 12958 14630 15979 17081 18502 19285 19778 20615 22330 23870 26071 29435 30305 31465 31958 32395 34162 38570 41230 42427 45353 46255 49445 52142 58870 60610 62930 64757 64790 69223 79895 84854 85405 90706 92510 98890 111853 119567 129514 130355 138446 159790 170810 175769 182497 187891 212135 223706 226765 239134 260710 286781 323785 346115 351538 364994 375782 424270 453530 495349 559265 573562 597835 647570 692230 878845 912485 939455 990698 1118530 1195670 1230383 1315237 1433905 1757690 1824970 1878910 2007467 2460766 2476745 2630474 2867810 3467443 4014934 4953490 5448839 6151915 6576185 6934886 10037335 10897678 12303830 13152370 17337215 20074670 27244195 34674430 38141873 54488390 76283746 190709365 381418730
• Sum of all divisors σ(n): 963256320
• Sum of proper divisors (its aliquot sum) s(n): 581837590
• 381418730 is an abundant number, because the sum of its proper divisors (581837590) is greater than itself. Its abundance is 200418860

Bases of 381418730

• Binary: 10110101110111111110011101010₂
• Hexadecimal: 0x16BBFCEA
• Base-36: 6B34KQ

Squares and roots of 381418730

• 381418730 squared (381418730²) is 145480247594812900
• 381418730 cubed (381418730³) is 55488891277699090905617000
• The square root of 381418730 is 19529.9444443655
• The cube root of 381418730 is 725.2159356789

Scales and comparisons

• 381,418,730 seconds is equal to 12 years, 6 weeks, 4 days, 13 hours, 38 minutes, 50 seconds.
• To count from 1 to 381,418,730 would take you about eighteen 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 381418730 cubic inches would be around 60.4 feet tall.

Recreational maths with 381418730

• 381418730 backwards is 037814183
• 381418730 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 381418730's digits is 35
• More coming soon!