145331805840

Names of 145331805840

• Cardinal: 145331805840 can be written as One hundred forty-five billion, three hundred thirty-one million, eight hundred five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.4533180584 × 10¹¹

Factors of 145331805840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 335275

Divisors of 145331805840

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 139 156 195 208 240 260 278 312 390 417 520 556 624 695 780 834 1040 1112 1390 1560 1668 1807 2085 2224 2780 3120 3336 3614 4170 5421 5560 6672 7228 8340 9035 10842 11120 14456 16680 18070 21684 27105 28912 33360 36140 43368 54210 72280 86736 108420 144560 216840 335113 433680 670226 1005339 1340452 1675565 2010678 2680904 3351130 4021356 4356469 5026695 5361808 6702260 8042712 8712938 10053390 13069407 13404520 16085424 17425876 20106780 21782345 26138814 26809040 34851752 40213560 43564690 46580707 52277628 65347035 69703504 80427120 87129380 93161414 104555256 130694070 139742121 174258760 186322828 209110512 232903535 261388140 279484242 348517520 372645656 465807070 522776280 558968484 605549191 698710605 745291312 931614140 1045552560 1117936968 1211098382 1397421210 1816647573 1863228280 2235873936 2422196764 2794842420 3027745955 3633295146 3726456560 4844393528 5589684840 6055491910 7266590292 9083237865 9688787056 11179369680 12110983820 14533180584 18166475730 24221967640 29066361168 36332951460 48443935280 72665902920 145331805840
• Sum of all divisors σ(n): 488676639360
• Sum of proper divisors (its aliquot sum) s(n): 343344833520
• 145331805840 is an abundant number, because the sum of its proper divisors (343344833520) is greater than itself. Its abundance is 198013027680

Bases of 145331805840

• Binary: 10000111010110011100110101111010010000₂
• Hexadecimal: 0x21D6735E90
• Base-36: 1URISZ2O

Squares and roots of 145331805840

• 145331805840 squared (145331805840²) is 21121333788715458105600
• 145331805840 cubed (145331805840³) is 3069601581263426540409713416704000
• The square root of 145331805840 is 381224.0887457141
• The cube root of 145331805840 is 5257.5921096943

Scales and comparisons

• 145,331,805,840 seconds is equal to 4,621 years, 5 weeks, 2 days, 2 hours, 4 minutes.
• To count from 1 to 145,331,805,840 would take you about nine thousand, two hundred forty-two 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 145331805840 cubic inches would be around 438.1 feet tall.

Recreational maths with 145331805840

• 145331805840 backwards is 048508133541
• The number of decimal digits it has is: 12
• The sum of 145331805840's digits is 42
• More coming soon!