121921000021639

Names of 121921000021639

• Cardinal: 121921000021639 can be written as One hundred twenty-one trillion, nine hundred twenty-one billion, twenty-one thousand, six hundred thirty-nine.

Scientific notation

• Scientific notation: 1.21921000021639 × 10¹⁴

Factors of 121921000021639

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 107

Divisors of 121921000021639

• Number of divisors d(n): 324
• Complete list of divisors:
  1 7 13 19 31 37 49 91 133 169 217 247 259 361 403 481 589 637 703 931 961 1147 1183 1369 1519 1729 1813 2527 2821 3211 3367 4123 4693 4921 5239 6253 6727 7657 8029 8281 9139 9583 11191 12103 12493 13357 14911 17689 17797 18259 19747 21793 22477 23569 26011 28861 29791 32851 34447 35557 36673 42439 43771 47089 53599 56203 61009 63973 67081 78337 87451 93499 99541 104377 118807 124579 127813 145483 152551 157339 162409 173641 182077 193843 208537 229957 231361 237367 248899 256711 283309 297073 306397 338143 346921 375193 387283 414067 427063 447811 462241 494209 548359 551707 566029 612157 654493 675583 696787 730639 806341 831649 872053 894691 1018381 1067857 1102267 1136863 1215487 1274539 1315609 1356901 1459759 1619527 1661569 1742293 1891279 1983163 2079511 2257333 2367001 2428447 2710981 2898469 2989441 3085771 3235687 3459463 3683017 3861949 3962203 4395859 4509973 4729081 4877509 5034679 5382871 5644387 5821543 6009133 6424717 7128667 7172191 7358377 7715869 7958041 8508409 8782579 9209263 9498307 10482433 10754551 11336689 11630983 12836077 13238953 13882141 14329471 15320479 15801331 16569007 16999129 17102917 18976867 20289283 20943073 21600397 22649809 24216241 24996571 25781119 27033643 27735421 30771013 31569811 33103567 35242753 37680097 39510709 40783879 42063931 44973019 50205337 51508639 54011083 58629649 61478053 64464841 69977323 73377031 75281857 83521321 89852539 92672671 95658901 100306297 107243353 110609317 114173527 119720419 136271629 139809163 146601511 151202779 166869001 174975997 180467833 186283123 199166227 215397091 220988677 222337921 246699271 263760679 272259949 285487153 294447517 314811133 324955423 351437359 360560473 397918387 410407543 430346371 474934849 489841261 513639217 526972999 530190427 584649247 628967773 669612307 702144079 750703471 774893701 799214689 838042933 953901403 978664141 1026210577 1168083007 1224831979 1303981861 1394163589 1556365447 1817519119 1905819643 1998410071 2169297013 2274687961 2589160951 2785428709 2872852801 3324543943 3428888827 3539379337 3711332989 4092544729 4224420499 4687286149 5172939031 5424255907 5594502823 6174153037 6677309821 6850648987 6892475551 8176581049 9127873027 9759145123 10073618113 10894558129 12722633833 13340737501 14722980319 15185079091 15922815727 18124126657 19498000963 23271807601 24775655359 25979330923 29570943493 36210573217 37969791349 43219071259 48247328857 67248207403 70515326791 80263989481 89058436831 103060862233 106295553637 126868886599 130957035469 173429587513 191398744147 206996604451 253474012519 302533498813 337731301999 470737451821 493607287537 561847926367 721426035631 916699248283 1339791209029 2488183673911 3295162162747 3932935484569 6416894737981 9378538463203 17417285717377 121921000021639
• Sum of all divisors σ(n): 172135350773568
• Sum of proper divisors (its aliquot sum) s(n): 50214350751929
• 121921000021639 is a deficient number, because the sum of its proper divisors (50214350751929) is less than itself. Its deficiency is 71706649269710

Bases of 121921000021639

• Binary: 11011101110001011110001111001011001111010000111₂
• Hexadecimal: 0x6EE2F1E59E87
• Base-36: 177TQFI7PJ

Squares and roots of 121921000021639

• 121921000021639 squared (121921000021639²) is 14864730246276497038468246321
• 121921000021639 cubed (121921000021639³) is 1812322776677934693226264179118055382140119
• The square root of 121921000021639 is 11041784.2770830747
• The cube root of 121921000021639 is 49586.0490189567

Scales and comparisons

• 121,921,000,021,639 seconds is equal to 3,876,710 years, 35 weeks, 10 hours, 27 minutes, 19 seconds.
• To count from 1 to 121,921,000,021,639 would take you about nine million, six hundred ninety-one thousand, seven hundred seventy-six 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 121921000021639 cubic inches would be around 4132.2 feet tall.

Recreational maths with 121921000021639

• 121921000021639 backwards is 936120000129121
• 121921000021639 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 121921000021639's digits is 37
• More coming soon!