6442138990944

Names of 6442138990944

• Cardinal: 6442138990944 can be written as Six trillion, four hundred forty-two billion, one hundred thirty-eight million, nine hundred ninety thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 6.442138990944 × 10¹²

Factors of 6442138990944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1555698

Divisors of 6442138990944

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 73 96 144 146 197 219 288 292 394 438 584 591 657 788 876 1168 1182 1314 1576 1752 1773 2336 2364 2628 3152 3504 3546 4728 5256 6304 7008 7092 9456 10512 14184 14381 18912 21024 28368 28762 43143 56736 57524 86286 115048 129429 172572 230096 258858 345144 460192 517716 690288 1035432 1380576 1555423 2070864 3110846 4141728 4666269 6221692 9332538 12443384 13998807 18665076 24886768 27997614 37330152 49773536 55995228 74660304 111990456 113545879 149320608 223980912 227091758 306418331 340637637 447961824 454183516 612836662 681275274 908367032 919254993 1021912911 1225673324 1362550548 1816734064 1838509986 2043825822 2451346648 2725101096 2757764979 3633468128 3677019972 4087651644 4902693296 5450202192 5515529958 7354039944 8175303288 9805386592 10900404384 11031059916 14708079888 16350606576 22062119832 22368538163 29416159776 32701213152 44124239664 44737076326 67105614489 88248479328 89474152652 134211228978 178948305304 201316843467 268422457956 357896610608 402633686934 536844915912 715793221216 805267373868 1073689831824 1610534747736 2147379663648 3221069495472 6442138990944
• Sum of all divisors σ(n): 18665069334912
• Sum of proper divisors (its aliquot sum) s(n): 12222930343968
• 6442138990944 is an abundant number, because the sum of its proper divisors (12222930343968) is greater than itself. Its abundance is 5780791353024

Bases of 6442138990944

• Binary: 1011101101111101101011001111111100101100000₂
• Hexadecimal: 0x5DBED67F960
• Base-36: 2A7H782G0

Squares and roots of 6442138990944

• 6442138990944 squared (6442138990944²) is 41501154778640978514011136
• 6442138990944 cubed (6442138990944³) is 267356207368684957007900484237019152384
• The square root of 6442138990944 is 2538136.9133567243
• The cube root of 6442138990944 is 18607.0145344671

Scales and comparisons

• 6,442,138,990,944 seconds is equal to 204,840 years, 4 weeks, 5 days, 21 hours, 2 minutes, 24 seconds.
• To count from 1 to 6,442,138,990,944 would take you about five hundred twelve thousand, one hundred 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 6442138990944 cubic inches would be around 1550.6 feet tall.

Recreational maths with 6442138990944

• 6442138990944 backwards is 4490998312446
• The number of decimal digits it has is: 13
• The sum of 6442138990944's digits is 63
• More coming soon!