16442503866981

Names of 16442503866981

• Cardinal: 16442503866981 can be written as Sixteen trillion, four hundred forty-two billion, five hundred three million, eight hundred sixty-six thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.6442503866981 × 10¹³

Factors of 16442503866981

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 245

Divisors of 16442503866981

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 9 27 61 81 181 183 243 543 549 729 1629 1647 2187 3721 4887 4941 6561 11041 11163 14661 14823 33123 33489 43983 44469 99369 100467 131949 133407 226981 298107 301401 395847 400221 673501 680943 894321 904203 1187541 2020503 2042829 2682963 2712609 6061509 6128487 8048889 8137827 13845841 18184527 18385461 24146667 24413481 41083561 41537523 54553581 55156383 72440001 123250683 124612569 163660743 165469149 369752049 373837707 490982229 496407447 1109256147 1121513121 1472946687 1489222341 2506097221 3327768441 3364539363 4418840061 7518291663 9983305323 10093618089 22554874989 29949915969 30280854267 67664624967 89849747907 90842562801 202993874901 269549243721 608981624703 1826944874109 5480834622327 16442503866981
• Sum of all divisors σ(n): 25212072304510
• Sum of proper divisors (its aliquot sum) s(n): 8769568437529
• 16442503866981 is a deficient number, because the sum of its proper divisors (8769568437529) is less than itself. Its deficiency is 7672935429452

Bases of 16442503866981

• Binary: 11101111010001010001100110100010101001100101₂
• Hexadecimal: 0xEF4519A2A65
• Base-36: 5TTKY9PB9

Squares and roots of 16442503866981

• 16442503866981 squared (16442503866981²) is 270355933415685138542054361
• 16442503866981 cubed (16442503866981³) is 4445328480648660646197261555234414954141
• The square root of 16442503866981 is 4054935.7414120633
• The cube root of 16442503866981 is 25428.6117468511

Scales and comparisons

• 16,442,503,866,981 seconds is equal to 522,820 years, 39 weeks, 4 days, 17 hours, 16 minutes, 21 seconds.
• To count from 1 to 16,442,503,866,981 would take you about one million, three hundred seven thousand and fifty-one 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 16442503866981 cubic inches would be around 2119.1 feet tall.

Recreational maths with 16442503866981

• 16442503866981 backwards is 18966830524461
• The number of decimal digits it has is: 14
• The sum of 16442503866981's digits is 63
• More coming soon!