8420666994432

Names of 8420666994432

• Cardinal: 8420666994432 can be written as Eight trillion, four hundred twenty billion, six hundred sixty-six million, nine hundred ninety-four thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 8.420666994432 × 10¹²

Factors of 8420666994432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 47465002

Divisors of 8420666994432

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 64 66 72 77 84 88 96 99 112 126 128 132 144 154 168 176 192 198 224 231 252 256 264 288 308 336 352 384 396 448 462 504 528 576 616 672 693 704 768 792 896 924 1008 1056 1152 1232 1344 1386 1408 1584 1792 1848 2016 2112 2304 2464 2688 2772 2816 3168 3696 4032 4224 4928 5376 5544 6336 7392 8064 8448 9856 11088 12672 14784 16128 19712 22176 25344 29568 44352 59136 88704 177408 47464979 94929958 142394937 189859916 284789874 332254853 379719832 427184811 522114769 569579748 664509706 759439664 854369622 996764559 1044229538 1139159496 1329019412 1518879328 1566344307 1708739244 1993529118 2088459076 2278318992 2658038824 2990293677 3037758656 3132688614 3417478488 3654803383 3987058236 4176918152 4556637984 4699032921 5316077648 5980587354 6075517312 6265377228 6834956976 7309606766 7974116472 8353836304 9113275968 9398065842 10632155296 10964410149 11961174708 12151034624 12530754456 13669913952 14619213532 15948232944 16707672608 18226551936 18796131684 21264310592 21928820298 23922349416 25061508912 27339827904 29238427064 31896465888 32893230447 33415345216 36453103872 37592263368 42528621184 43857640596 47844698832 50123017824 54679655808 58476854128 63792931776 65786460894 66830690432 75184526736 85057242368 87715281192 95689397664 100246035648 109359311616 116953708256 127585863552 131572921788 133661380864 150369053472 175430562384 191378795328 200492071296 233907416512 255171727104 263145843576 300738106944 350861124768 382757590656 400984142592 467814833024 526291687152 601476213888 701722249536 765515181312 935629666048 1052583374304 1202952427776 1403444499072 2105166748608 2806888998144 4210333497216 8420666994432
• Sum of all divisors σ(n): 30269746765440
• Sum of proper divisors (its aliquot sum) s(n): 21849079771008
• 8420666994432 is an abundant number, because the sum of its proper divisors (21849079771008) is greater than itself. Its abundance is 13428412776576

Bases of 8420666994432

• Binary: 1111010100010010110110111010110111100000000₂
• Hexadecimal: 0x7A896DD6F00
• Base-36: 2ZGEFPOG0

Squares and roots of 8420666994432

• 8420666994432 squared (8420666994432²) is 70907632631116452319002624
• 8420666994432 cubed (8420666994432³) is 597089561750151784709642462318001389568
• The square root of 8420666994432 is 2901838.5541638943
• The cube root of 8420666994432 is 20344.5847982463

Scales and comparisons

• 8,420,666,994,432 seconds is equal to 267,751 years, 8 weeks, 3 days, 13 hours, 7 minutes, 12 seconds.
• To count from 1 to 8,420,666,994,432 would take you about six hundred sixty-nine thousand, three hundred seventy-seven 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 8420666994432 cubic inches would be around 1695.4 feet tall.

Recreational maths with 8420666994432

• 8420666994432 backwards is 2344996660248
• 8420666994432 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 8420666994432's digits is 63
• More coming soon!