1643161801842

Names of 1643161801842

• Cardinal: 1643161801842 can be written as One trillion, six hundred forty-three billion, one hundred sixty-one million, eight hundred one thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.643161801842 × 10¹²

Factors of 1643161801842

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 243

Divisors of 1643161801842

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 99 121 198 227 242 363 454 681 726 1089 1331 1362 2043 2178 2497 2662 3993 4086 4994 7491 7986 11979 14641 14982 22473 23958 27467 29282 43923 44946 51529 54934 82401 87846 103058 131769 154587 161051 164802 247203 263538 302137 309174 322102 463761 483153 494406 566819 604274 906411 927522 966306 1133638 1449459 1700457 1771561 1812822 2719233 2898918 3323507 3400914 3543122 5101371 5314683 5438466 6235009 6647014 9970521 10202742 10629366 12470018 15944049 18705027 19941042 29911563 31888098 36558577 37410054 56115081 59823126 68585099 73117154 109675731 112230162 137170198 205755297 219351462 329027193 402144347 411510594 617265891 658054386 754436089 804288694 1206433041 1234531782 1508872178 2263308267 2412866082 3619299123 4526616534 6789924801 7238598246 8298796979 13579849602 16597593958 24896390937 49792781874 74689172811 91286766769 149378345622 182573533538 273860300307 547720600614 821580900921 1643161801842
• Sum of all divisors σ(n): 3933530084991
• Sum of proper divisors (its aliquot sum) s(n): 2290368283149
• 1643161801842 is an abundant number, because the sum of its proper divisors (2290368283149) is greater than itself. Its abundance is 647206481307

Bases of 1643161801842

• Binary: 10111111010010100000100110101010001110010₂
• Hexadecimal: 0x17E94135472
• Base-36: KYUW40OI

Squares and roots of 1643161801842

• 1643161801842 squared (1643161801842²) is 2699980707032648074592964
• 1643161801842 cubed (1643161801842³) is 4436505163506403131368846746975439688
• The square root of 1643161801842 is 1281858.7292841595
• The cube root of 1643161801842 is 11800.3107306903

Scales and comparisons

• 1,643,161,801,842 seconds is equal to 52,247 years, 24 weeks, 9 hours, 50 minutes, 42 seconds.
• To count from 1 to 1,643,161,801,842 would take you about one hundred thirty thousand, six hundred eighteen 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 1643161801842 cubic inches would be around 983.4 feet tall.

Recreational maths with 1643161801842

• 1643161801842 backwards is 2481081613461
• The number of decimal digits it has is: 13
• The sum of 1643161801842's digits is 45
• More coming soon!