1264728738

Names of 1264728738

• Cardinal: 1264728738 can be written as One billion, two hundred sixty-four million, seven hundred twenty-eight thousand, seven hundred thirty-eight.

Scientific notation

• Scientific notation: 1.264728738 × 10⁹

Factors of 1264728738

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 236

Divisors of 1264728738

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 13 14 21 23 26 39 42 46 61 69 78 91 122 127 138 161 169 182 183 254 273 299 322 338 366 381 427 483 507 546 598 762 793 854 889 897 966 1014 1183 1281 1403 1586 1651 1778 1794 2093 2366 2379 2562 2667 2806 2921 3302 3549 3887 4186 4209 4758 4953 5334 5551 5842 6279 7098 7747 7774 8418 8763 9821 9906 10309 11102 11557 11661 12558 15494 16653 17526 18239 19642 20447 20618 21463 23114 23241 23322 27209 29463 30927 33306 34671 36478 37973 40894 42926 46482 54229 54418 54717 58926 61341 61854 64389 69342 72163 75946 81627 100711 108458 109434 113919 122682 127673 128778 144326 150241 162687 163254 178181 201422 216489 227838 237107 255346 265811 300482 302133 325374 356362 383019 432978 450723 474214 493649 531622 534543 604266 704977 711321 766038 797433 901446 987298 1069086 1247267 1309243 1409954 1422642 1480947 1594866 1659749 2114931 2316353 2494534 2618486 2961894 3319498 3455543 3741801 3927729 4229862 4632706 4979247 6911086 6949059 7483602 7855458 9164701 9958494 10366629 13898118 16214471 18329402 20733258 27494103 30112589 32428942 48643413 54988206 60225178 90337767 97286826 180675534 210788123 421576246 632364369 1264728738
• Sum of all divisors σ(n): 3346071552
• Sum of proper divisors (its aliquot sum) s(n): 2081342814
• 1264728738 is an abundant number, because the sum of its proper divisors (2081342814) is greater than itself. Its abundance is 816614076

Bases of 1264728738

• Binary: 1001011011000100011101010100010₂
• Hexadecimal: 0x4B623AA2
• Base-36: KWZIXU

Squares and roots of 1264728738

• 1264728738 squared (1264728738²) is 1599538780723072644
• 1264728738 cubed (1264728738³) is 2022982663525950392528443272
• The square root of 1264728738 is 35563.0248713463
• The cube root of 1264728738 is 1081.4317824251

Scales and comparisons

• 1,264,728,738 seconds is equal to 40 years, 11 weeks, 1 day, 1 hour, 32 minutes, 18 seconds.
• To count from 1 to 1,264,728,738 would take you about eighty 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 1264728738 cubic inches would be around 90.1 feet tall.

Recreational maths with 1264728738

• 1264728738 backwards is 8378274621
• The number of decimal digits it has is: 10
• The sum of 1264728738's digits is 48
• More coming soon!