21396476447744265

Names of 21396476447744265

• Cardinal: 21396476447744265 can be written as Twenty-one quadrillion, three hundred ninety-six trillion, four hundred seventy-six billion, four hundred forty-seven million, seven hundred forty-four thousand, two hundred sixty-five.

Scientific notation

• Scientific notation: 2.1396476447744265 × 10¹⁶

Factors of 21396476447744265

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 15724786

Divisors of 21396476447744265

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 193 243 315 405 567 579 829 945 965 1215 1351 1701 1737 2487 2835 2895 4053 4145 5211 5803 6755 7461 8505 8685 12159 12435 15633 17409 20265 22383 26055 29015 36477 37305 46899 52227 60795 67149 78165 87045 109431 111915 156681 159997 182385 201447 234495 261135 328293 335745 470043 479991 547155 783405 799985 1007235 1119979 1410129 1439973 1641465 2350215 2399955 3359937 4319919 5599895 7050645 7199865 10079811 12959757 15723749 16799685 21599595 30239433 38879271 47171247 50399055 64798785 78618745 90718299 110066243 141513741 151197165 194396355 235856235 272154897 330198729 424541223 453591495 550331215 707568705 990596187 1273623669 1360774485 1650993645 2122706115 2971788561 3034683557 3820871007 4952980935 6368118345 8915365683 9104050671 13034987921 14858942805 15173417785 19104355035 21242784899 26746097049 27312152013 39104963763 44576828415 45520253355 63728354697 65174939605 81936456039 91244915447 106213924495 117314891289 133730485245 136560760065 191185064091 195524818815 245809368117 273734746341 318641773485 351944673867 409682280195 456224577235 573555192273 586574456445 737428104351 821204239023 955925320455 1055834021601 1229046840585 1368673731705 1720665576819 1759723369335 2463612717069 2515752668753 2867775961365 3167502064803 3687140521755 4106021195115 5161996730457 5279170108005 7390838151207 7547258006259 8603327884095 12318063585345 12578763343765 15837510324015 17610268681271 22172514453621 22641774018777 25809983652285 36954190756035 37736290031295 52830806043813 67925322056331 88051343406355 110862572268105 113208870093885 158492418131439 203775966168993 264154030219065 339626610281655 475477254394317 611327898506979 792462090657195 1018879830844965 1426431763182951 2377386271971585 3056639492534895 4279295289548853 7132158815914755 21396476447744265
• Sum of all divisors σ(n): 44236277467200000
• Sum of proper divisors (its aliquot sum) s(n): 22839801019455735
• 21396476447744265 is an abundant number, because the sum of its proper divisors (22839801019455735) is greater than itself. Its abundance is 1443324571711470

Bases of 21396476447744265

• Binary: 1001100000000111111101101100010000111001110000100001001₂
• Hexadecimal: 0x4C03FB621CE109
• Base-36: 5UOF1L0C3K9

Squares and roots of 21396476447744265

• 21396476447744265 squared (21396476447744265²) is 457809204378875040895206840390225
• 21396476447744265 cubed (21396476447744265³) is 9795503859053140444367498387914608620593605809625
• The square root of 21396476447744265 is 146275344.6338249617
• The cube root of 21396476447744265 is 277617.8714049309

Scales and comparisons

• 21,396,476,447,744,265 seconds is equal to 680,341,767 years, 20 weeks, 2 days, 8 hours, 57 minutes, 45 seconds.
• To count from 1 to 21,396,476,447,744,265 would take you about two billion, forty-one million, twenty-five thousand, three hundred 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 21396476447744265 cubic inches would be around 23134.8 feet tall.

Recreational maths with 21396476447744265

• 21396476447744265 backwards is 56244774467469312
• 21396476447744265 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21396476447744265's digits is 81
• More coming soon!