168449249440

Names of 168449249440

• Cardinal: 168449249440 can be written as One hundred sixty-eight billion, four hundred forty-nine million, two hundred forty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.6844924944 × 10¹¹

Factors of 168449249440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 535

Divisors of 168449249440

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 71 80 142 160 284 355 457 568 710 914 1136 1420 1828 2272 2285 2840 3656 4570 5041 5680 7312 9140 10082 11360 14624 18280 20164 25205 32447 36560 40328 50410 64894 73120 80656 100820 129788 161312 162235 201640 208849 259576 324470 403280 417698 519152 648940 806560 835396 1038304 1044245 1297880 1670792 2088490 2303737 2595760 3341584 4176980 4607474 5191520 6683168 8353960 9214948 11518685 14828279 16707920 18429896 23037370 29656558 33415840 36859792 46074740 59313116 73719584 74141395 92149480 118626232 148282790 184298960 237252464 296565580 368597920 474504928 593131160 1052807809 1186262320 2105615618 2372524640 4211231236 5264039045 8422462472 10528078090 16844924944 21056156180 33689849888 42112312360 84224624720 168449249440
• Sum of all divisors σ(n): 404530569198
• Sum of proper divisors (its aliquot sum) s(n): 236081319758
• 168449249440 is an abundant number, because the sum of its proper divisors (236081319758) is greater than itself. Its abundance is 67632070318

Bases of 168449249440

• Binary: 10011100111000010110111001000010100000₂
• Hexadecimal: 0x27385B90A0
• Base-36: 25DUC0PS

Squares and roots of 168449249440

• 168449249440 squared (168449249440²) is 28375149636899340313600
• 168449249440 cubed (168449249440³) is 4779772659083382404657054224384000
• The square root of 168449249440 is 410425.6929579335
• The cube root of 168449249440 is 5522.7624082303

Scales and comparisons

• 168,449,249,440 seconds is equal to 5,356 years, 8 weeks, 4 days, 2 hours, 10 minutes, 40 seconds.
• To count from 1 to 168,449,249,440 would take you about ten thousand, seven hundred twelve 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 168449249440 cubic inches would be around 460.2 feet tall.

Recreational maths with 168449249440

• 168449249440 backwards is 044942944861
• The number of decimal digits it has is: 12
• The sum of 168449249440's digits is 55
• More coming soon!