8640121021997913

Names of 8640121021997913

• Cardinal: 8640121021997913 can be written as Eight quadrillion, six hundred forty trillion, one hundred twenty-one billion, twenty-one million, nine hundred ninety-seven thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 8.640121021997913 × 10¹⁵

Factors of 8640121021997913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 658

Divisors of 8640121021997913

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 21 27 49 63 147 157 189 343 441 471 491 1029 1099 1323 1413 1473 3087 3297 3437 4239 4419 7693 9261 9891 10311 13257 23079 24059 24649 29673 30933 53851 69237 72177 73947 77087 92799 161553 168413 172543 207711 216531 221841 231261 241081 484659 505239 517629 539609 649593 665523 693783 723243 1207801 1453977 1515717 1552887 1618827 1687567 2081349 2169729 3623403 3777263 3869893 4547151 4658661 4856481 5062701 6509187 8454607 10870209 11331789 11609679 11812969 12102659 14569443 15188103 25363821 26440841 27089251 32610627 33995367 34829037 35438907 36307977 37849717 45564309 76091463 79322523 81267753 82690783 84718613 101986101 104487111 106316721 108923931 113549151 189624757 228274389 237967569 243803259 248072349 254155839 264948019 318950163 326771793 340647453 568874271 593030291 713902707 731409777 744217047 762467517 794844057 1021942359 1327373299 1706622813 1779090873 1854636133 1900117463 2232651141 2287402551 2384532171 3982119897 4151212037 5119868439 5337272619 5563908399 5700352389 5942405569 7153596513 11946359691 12453636111 12982452931 13300822241 16011817857 16691725197 17101057167 17827216707 35839079073 37360908333 38947358793 39902466723 41596838983 50075175591 51303171501 53481650121 93105755687 112082724999 116842076379 119707400169 124790516949 160444950363 279317267061 291177872881 350526229137 359122200507 374371550847 651740289809 837951801183 873533618643 932957674333 1123114652541 1955220869427 2038245110167 2513855403549 2620600855929 2798873022999 5865662608281 6114735330501 6530703720331 7861802567787 8396619068997 17596987824843 18344205991503 19592111160993 25189857206991 45714926042317 55032617974509 58776333482979 137144778126951 176329000448937 320004482296219 411434334380853 960013446888657 1234303003142559 2880040340665971 8640121021997913
• Sum of all divisors σ(n): 15053669809600000
• Sum of proper divisors (its aliquot sum) s(n): 6413548787602087
• 8640121021997913 is a deficient number, because the sum of its proper divisors (6413548787602087) is less than itself. Its deficiency is 2226572234395826

Bases of 8640121021997913

• Binary: 11110101100100010010011110000010101010010001101011001₂
• Hexadecimal: 0x1EB224F0552359
• Base-36: 2D2O0SV6LW9

Squares and roots of 8640121021997913

• 8640121021997913 squared (8640121021997913²) is 74651691274770260618854176355569
• 8640121021997913 cubed (8640121021997913³) is 644999647110840708913690253148335515005463927497
• The square root of 8640121021997913 is 92952251.3013962077
• The cube root of 8640121021997913 is 205198.0716740705

Scales and comparisons

• 8,640,121,021,997,913 seconds is equal to 274,729,122 years, 44 weeks, 1 day, 13 hours, 38 minutes, 33 seconds.
• To count from 1 to 8,640,121,021,997,913 would take you about eight hundred twenty-four million, one hundred eighty-seven thousand, three hundred sixty-eight 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 8640121021997913 cubic inches would be around 17099.8 feet tall.

Recreational maths with 8640121021997913

• 8640121021997913 backwards is 3197991201210468
• 8640121021997913 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 8640121021997913's digits is 63
• More coming soon!