20942875438155

Names of 20942875438155

• Cardinal: 20942875438155 can be written as Twenty trillion, nine hundred forty-two billion, eight hundred seventy-five million, four hundred thirty-eight thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 2.0942875438155 × 10¹³

Factors of 20942875438155

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 578

Divisors of 20942875438155

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 5 9 11 15 27 33 41 45 55 61 81 99 123 135 165 183 205 243 297 305 369 405 451 457 495 549 615 671 729 891 915 1107 1215 1353 1371 1485 1647 1845 2013 2255 2285 2501 2673 2745 3321 3355 3645 4059 4113 4455 4941 5027 5535 6039 6765 6855 7503 8019 8235 9963 10065 12177 12339 12505 13365 14823 15081 16605 18117 18737 20295 20565 22509 24705 25135 27511 27877 29889 30195 36531 37017 37515 40095 44469 45243 49815 54351 56211 60885 61695 67527 74115 75405 82533 83631 90585 93685 109593 111051 112545 135729 137555 139385 149445 163053 168633 182655 185085 202581 206107 208849 222345 226215 247599 250893 271755 281055 306647 328779 333153 337635 407187 412665 418155 489159 505899 547965 555255 607743 618321 626547 678645 742797 752679 815265 843165 919941 1012905 1030535 1044245 1142957 1221561 1237995 1254465 1517697 1533235 1643895 1665765 1823229 1854963 1879641 2035935 2228391 2258037 2297339 2445795 2529495 2759823 3038715 3091605 3132735 3428871 3664683 3713985 3763395 4553091 4599705 5564889 5638923 5714785 6107805 6685173 6774111 6892017 7588485 8279469 8562809 9116145 9274815 9398205 10286613 11141955 11290185 11486695 12572527 12739789 13659273 13799115 16694667 16916769 17144355 18323415 20055519 20322333 20676051 22765455 24838407 25688427 27824445 28194615 30859839 33425865 33870555 34460085 37717581 38219367 41397345 42814045 50084001 50750307 51433065 62028153 62862635 63698945 68296365 74515221 77065281 83473335 84583845 92579517 94190899 100277595 101611665 103380255 113152743 114658101 124192035 128442135 140137679 150252003 152250921 154299195 186084459 188587905 191096835 223545663 231195843 250420005 253751535 277738551 282572697 310140765 339458229 343974303 372576105 385326405 420413037 462897585 470954495 522331349 558253377 565763715 573290505 693587529 700688395 751260015 761254605 833215653 847718091 930422295 1018374687 1031922909 1117728315 1155979215 1261239111 1388692755 1412863485 1566994047 1674760131 1697291145 1719871515 2080762587 2102065185 2543154273 2611656745 2791266885 3055124061 3095768727 3467937645 3783717333 4166078265 4238590455 4700982141 5091873435 5159614545 5745644839 6242287761 6306195555 7629462819 7834970235 8373800655 9165372183 9287306181 10403812935 11351151999 12715771365 14102946423 15275620305 15478843635 17236934517 18918586665 22888388457 23504910705 28728224195 31211438805 34053455997 38147314095 42308839269 45826860915 46436530905 51710803551 56755759995 68665165371 70514732115 86184672585 102160367991 114441942285 126926517807 155132410653 170267279985 211544196345 258554017755 343325826855 380779553421 465397231959 510801839955 634632589035 775662053265 1396191695877 1903897767105 2326986159795 4188575087631 6980958479385 20942875438155
• Sum of all divisors σ(n): 42892108041888
• Sum of proper divisors (its aliquot sum) s(n): 21949232603733
• 20942875438155 is an abundant number, because the sum of its proper divisors (21949232603733) is greater than itself. Its abundance is 1006357165578

Bases of 20942875438155

• Binary: 100110000110000100100101001101010110001001011₂
• Hexadecimal: 0x130C24A6AC4B
• Base-36: 7F90VB1OR

Squares and roots of 20942875438155

• 20942875438155 squared (20942875438155²) is 438604031618075983229804025
• 20942875438155 cubed (20942875438155³) is 9185629600849962530901964402126657573875
• The square root of 20942875438155 is 4576338.6498548159
• The cube root of 20942875438155 is 27564.2028026543

Scales and comparisons

• 20,942,875,438,155 seconds is equal to 665,918 years, 34 weeks, 1 day, 15 hours, 29 minutes, 15 seconds.
• To count from 1 to 20,942,875,438,155 would take you about one million, six hundred sixty-four thousand, seven hundred ninety-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 20942875438155 cubic inches would be around 2297 feet tall.

Recreational maths with 20942875438155

• 20942875438155 backwards is 55183457824902
• The number of decimal digits it has is: 14
• The sum of 20942875438155's digits is 63
• More coming soon!