168240727907

Names of 168240727907

• Cardinal: 168240727907 can be written as One hundred sixty-eight billion, two hundred forty million, seven hundred twenty-seven thousand, nine hundred seven.

Scientific notation

• Scientific notation: 1.68240727907 × 10¹¹

Factors of 168240727907

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 633

Divisors of 168240727907

• Number of divisors d(n): 80
• Complete list of divisors:
  1 7 19 49 71 127 133 343 409 497 889 931 1349 2401 2413 2863 3479 6223 6517 7771 9017 9443 16891 20041 24353 29039 43561 45619 51943 54397 63119 66101 118237 140287 170471 171323 203273 304927 363601 380779 441833 462707 551741 827659 982009 986917 1199261 1422911 2545207 2665453 3092831 3238949 3687953 3862187 5793613 6908419 8394827 9960377 17816449 18658171 21649817 25815671 27035309 48358933 58763789 69722639 70071107 124715143 180709697 189247163 338512531 411346523 490497749 1264967879 1324730141 2369587717 3433484243 8854775153 24034389701 168240727907
• Sum of all divisors σ(n): 211674931200
• Sum of proper divisors (its aliquot sum) s(n): 43434203293
• 168240727907 is a deficient number, because the sum of its proper divisors (43434203293) is less than itself. Its deficiency is 124806524614

Bases of 168240727907

• Binary: 10011100101011111011011100011101100011₂
• Hexadecimal: 0x272BEDC763
• Base-36: 25AE6OGZ

Squares and roots of 168240727907

• 168240727907 squared (168240727907²) is 28304942526677208600649
• 168240727907 cubed (168240727907³) is 4762044134053973341000068632611643
• The square root of 168240727907 is 410171.5834952489
• The cube root of 168240727907 is 5520.4826109911

Scales and comparisons

• 168,240,727,907 seconds is equal to 5,349 years, 27 weeks, 5 days, 15 hours, 31 minutes, 47 seconds.
• To count from 1 to 168,240,727,907 would take you about ten thousand, six hundred ninety-nine 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 168240727907 cubic inches would be around 460 feet tall.

Recreational maths with 168240727907

• 168240727907 backwards is 709727042861
• The number of decimal digits it has is: 12
• The sum of 168240727907's digits is 53
• More coming soon!