168312172340

Names of 168312172340

• Cardinal: 168312172340 can be written as One hundred sixty-eight billion, three hundred twelve million, one hundred seventy-two thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.6831217234 × 10¹¹

Factors of 168312172340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 36819

Divisors of 168312172340

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 17 20 26 34 52 61 65 68 85 122 130 170 221 244 260 289 305 340 442 578 610 793 884 1037 1105 1156 1220 1445 1586 2074 2210 2890 3172 3757 3965 4148 4420 5185 5780 7514 7930 10370 13481 15028 15860 17629 18785 20740 26962 35258 36721 37570 53924 67405 70516 73442 75140 88145 134810 146884 176290 183605 229177 269620 352580 367210 458354 477373 624257 734420 916708 954746 1145885 1248514 1909492 2239981 2291770 2386865 2497028 3121285 4479962 4583540 4773730 6242570 8115341 8959924 9547460 10612369 11199905 12485140 16230682 21224738 22399810 29119753 32461364 38079677 40576705 42449476 44799620 53061845 58239506 76159354 81153410 106123690 116479012 137960797 145598765 152318708 162306820 190398385 212247380 275921594 291197530 380796770 495035801 551843188 582395060 647354509 689803985 761593540 990071602 1294709018 1379607970 1980143204 2475179005 2589418036 2759215940 3236772545 4950358010 6473545090 8415608617 9900716020 12947090180 16831217234 33662434468 42078043085 84156086170 168312172340
• Sum of all divisors σ(n): 410992330224
• Sum of proper divisors (its aliquot sum) s(n): 242680157884
• 168312172340 is an abundant number, because the sum of its proper divisors (242680157884) is greater than itself. Its abundance is 74367985544

Bases of 168312172340

• Binary: 10011100110000001011111110111100110100₂
• Hexadecimal: 0x27302FEF34
• Base-36: 25BKPZCK

Squares and roots of 168312172340

• 168312172340 squared (168312172340²) is 28328987357809861075600
• 168312172340 cubed (168312172340³) is 4768113402385374582307844968904000
• The square root of 168312172340 is 410258.6651613833
• The cube root of 168312172340 is 5521.2639357411

Scales and comparisons

• 168,312,172,340 seconds is equal to 5,351 years, 41 weeks, 6 days, 13 hours, 12 minutes, 20 seconds.
• To count from 1 to 168,312,172,340 would take you about ten thousand, seven hundred 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 168312172340 cubic inches would be around 460.1 feet tall.

Recreational maths with 168312172340

• 168312172340 backwards is 043271213861
• The number of decimal digits it has is: 12
• The sum of 168312172340's digits is 38
• More coming soon!