29988995081661

Names of 29988995081661

• Cardinal: 29988995081661 can be written as Twenty-nine trillion, nine hundred eighty-eight billion, nine hundred ninety-five million, eighty-one thousand, six hundred sixty-one.

Scientific notation

• Scientific notation: 2.9988995081661 × 10¹³

Factors of 29988995081661

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 686891500

Divisors of 29988995081661

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 7 9 11 21 27 33 49 63 77 81 99 147 189 231 297 441 539 567 693 891 1323 1617 2079 3969 4851 6237 14553 43659 686891479 2060674437 4808240353 6182023311 7555806269 14424721059 18546069933 22667418807 33657682471 43274163177 52890643883 55638209799 68002256421 100973047413 129822489531 158671931649 204006769263 302919142239 370234507181 389467468593 476015794947 612020307789 908757426717 1110703521543 1428047384841 2726272280151 3332110564629 4284142154523 9996331693887 29988995081661
• Sum of all divisors σ(n): 56849886450720
• Sum of proper divisors (its aliquot sum) s(n): 26860891369059
• 29988995081661 is a deficient number, because the sum of its proper divisors (26860891369059) is less than itself. Its deficiency is 3128103712602

Bases of 29988995081661

• Binary: 110110100011001011011011001100010010110111101₂
• Hexadecimal: 0x1B465B6625BD
• Base-36: AMOR5DMT9

Squares and roots of 29988995081661

• 29988995081661 squared (29988995081661²) is 899339826007887648058518921
• 29988995081661 cubed (29988995081661³) is 26970297618892402169818796857381108607781
• The square root of 29988995081661 is 5476220.8759016467
• The cube root of 29988995081661 is 31068.5251681965

Scales and comparisons

• 29,988,995,081,661 seconds is equal to 953,557 years, 14 weeks, 4 days, 11 hours, 34 minutes, 21 seconds.
• To count from 1 to 29,988,995,081,661 would take you about two million, three hundred eighty-three thousand, eight hundred ninety-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 29988995081661 cubic inches would be around 2589 feet tall.

Recreational maths with 29988995081661

• 29988995081661 backwards is 16618059988992
• 29988995081661 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 29988995081661's digits is 81
• More coming soon!