91689488574021

Names of 91689488574021

• Cardinal: 91689488574021 can be written as Ninety-one trillion, six hundred eighty-nine billion, four hundred eighty-eight million, five hundred seventy-four thousand and twenty-one.

Scientific notation

• Scientific notation: 9.1689488574021 × 10¹³

Factors of 91689488574021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 192

Divisors of 91689488574021

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 9 13 27 39 67 81 109 117 169 201 243 327 351 507 603 729 871 981 1053 1417 1521 1809 2187 2197 2613 2943 3159 4251 4489 4563 5427 6561 6591 7303 7839 8829 9477 11323 12753 13467 13689 16281 18421 19773 21909 23517 26487 28431 28561 33969 38259 40401 41067 48843 55263 58357 59319 65727 70551 79461 85293 85683 94939 101907 114777 121203 123201 146529 147199 165789 175071 177957 197181 211653 238383 239473 257049 284817 305721 344331 363609 369603 439587 441597 489301 497367 525213 533871 591543 634959 715149 718419 758641 771147 854451 917163 1032993 1090827 1108809 1234207 1324791 1467903 1492101 1575639 1601613 1774629 1904877 1913587 2155257 2275923 2313441 2563353 2751489 3098979 3113149 3272481 3702621 3974373 4403709 4476303 4726917 4804839 5323887 5714631 5740761 6360913 6465771 6827769 6940323 7690059 8254467 9296937 9339447 9817443 9862333 11107863 11923119 13211127 13428909 14180751 14414517 15971661 16044691 17222283 19082739 19397313 20483307 20820969 23070177 24763401 28018341 29452329 29586999 33323589 35769357 39633381 40286727 42542253 47914983 48134073 51666849 57248217 58191939 61449921 62462907 69210531 74290203 82691869 84055023 88760997 99970767 107308071 118900143 120860181 127626759 128210329 144402219 155000547 171744651 174575817 184349763 187388721 207631593 208580983 248075607 252165069 266282991 299912301 321924213 356700429 382880277 384630987 433206657 465001641 515233953 523727451 553049289 622894779 625742949 744226821 756495207 798848973 899736903 965772639 1070101287 1074994297 1153892961 1299619971 1395004923 1545701859 1571182353 1659147867 1877228847 2232680463 2269485621 2396546919 2699210709 3210303861 3224982891 3461678883 3898859913 4185014769 4637105577 4977443601 5631686541 6698041389 6808456863 7189640757 8097632127 9674948673 10385036649 11696579739 12555044307 13911316731 13974925861 16895059623 20094124167 20425370589 21568922271 29024846019 31155109947 35089739217 41733950193 41924777583 50685178869 60282372501 64706766813 87074538057 93465329841 105269217651 125774332749 152055536607 180847117503 261223614171 280395989523 377322998247 456166609821 542541352509 783670842513 841187968569 1131968994741 1368499829463 2351012527539 3395906984223 7053037582617 10187720952669 30563162858007 91689488574021
• Sum of all divisors σ(n): 152631893283870
• Sum of proper divisors (its aliquot sum) s(n): 60942404709849
• 91689488574021 is a deficient number, because the sum of its proper divisors (60942404709849) is less than itself. Its deficiency is 30747083864172

Bases of 91689488574021

• Binary: 10100110110010000011111011001010110011001000101₂
• Hexadecimal: 0x53641F656645
• Base-36: WI1KI57B9

Squares and roots of 91689488574021

• 91689488574021 squared (91689488574021²) is 8406962314965527511996108441
• 91689488574021 cubed (91689488574021³) is 770830075120256870223664108911286371411261
• The square root of 91689488574021 is 9575462.8386319269
• The cube root of 91689488574021 is 45092.7287182931

Scales and comparisons

• 91,689,488,574,021 seconds is equal to 2,915,442 years, 6 weeks, 2 days, 13 hours, 40 minutes, 21 seconds.
• To count from 1 to 91,689,488,574,021 would take you about seven million, two hundred eighty-eight thousand, six hundred five 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 91689488574021 cubic inches would be around 3757.7 feet tall.

Recreational maths with 91689488574021

• 91689488574021 backwards is 12047588498619
• The number of decimal digits it has is: 14
• The sum of 91689488574021's digits is 72
• More coming soon!