20720081382

Names of 20720081382

• Cardinal: 20720081382 can be written as Twenty billion, seven hundred twenty million, eighty-one thousand, three hundred eighty-two.

Scientific notation

• Scientific notation: 2.0720081382 × 10¹⁰

Factors of 20720081382

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 285

Divisors of 20720081382

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 11 13 14 21 22 26 31 33 39 42 62 66 67 77 78 91 93 121 134 143 151 154 182 186 201 217 231 242 273 286 302 341 363 402 403 429 434 453 462 469 546 651 682 726 737 806 847 858 871 906 938 1001 1023 1057 1209 1302 1407 1474 1573 1661 1694 1742 1963 2002 2046 2077 2114 2211 2387 2418 2541 2613 2814 2821 3003 3146 3171 3322 3751 3926 4154 4422 4433 4681 4719 4774 4983 5082 5159 5226 5642 5889 6006 6097 6231 6342 7161 7502 8107 8463 8866 9362 9438 9581 9966 10117 10318 11011 11253 11627 11778 12194 12462 13299 13741 14043 14322 14539 15477 16214 16926 18271 18291 19162 20234 21593 22022 22506 22847 23254 24321 26257 26598 27001 27482 28086 28743 29078 30351 30954 31031 32767 33033 34881 36542 36582 41223 43186 43617 45694 48642 48763 51491 52514 54002 54813 56749 57486 60702 60853 62062 64779 65534 66066 67067 68541 69762 70819 78771 81003 82446 87234 93093 97526 98301 102982 105391 109626 111287 113498 121706 127897 129558 131521 134134 137082 141638 146289 151151 154473 157542 159929 162006 170247 182559 186186 189007 196602 201201 210782 212457 222574 237523 251317 255794 263042 292578 297011 302302 308946 313627 316173 319858 333861 340494 341341 360437 365118 378014 383691 394563 402402 424914 425971 453453 475046 479787 502634 566401 567021 594022 627254 632346 667722 669383 682682 712569 720874 737737 753951 767382 779009 789126 851942 891033 906906 920647 940881 959574 1024023 1081311 1132802 1134042 1224157 1277913 1338766 1425138 1446731 1475474 1507902 1558018 1662661 1699203 1759219 1782066 1841294 1881762 2008149 2048046 2079077 2162622 2195389 2213211 2337027 2448314 2555826 2761941 2893462 3267121 3325322 3398406 3449897 3518438 3672471 3964807 4016298 4077151 4158154 4340193 4390778 4426422 4674054 4685681 4987983 5277657 5523882 6237231 6534242 6586167 6899794 7344942 7363213 7929614 8154302 8569099 8680386 9371362 9801363 9975966 10127117 10349691 10555314 11894421 12231453 12474462 13172334 14057043 14726426 15914041 17138198 19602726 20254234 20699382 22089639 22869847 23788842 24149279 24462906 25707297 28114086 28540057 30381351 31828082 37948867 44179278 44848661 45739694 47742123 48298558 51414594 51542491 57080114 60762702 68609541 72447837 75897734 85620171 89697322 95484246 103084982 111398287 113846601 134545983 137219082 144895674 154627473 171240342 222796574 227693202 265642069 269091966 309254946 313940627 334194861 493335271 531284138 627881254 668389722 796926207 941821881 986670542 1480005813 1593852414 1883643762 2960011626 3453346897 6906693794 10360040691 20720081382
• Sum of all divisors σ(n): 59122581504
• Sum of proper divisors (its aliquot sum) s(n): 38402500122
• 20720081382 is an abundant number, because the sum of its proper divisors (38402500122) is greater than itself. Its abundance is 17682418740

Bases of 20720081382

• Binary: 10011010011000000110101100111100110₂
• Hexadecimal: 0x4D30359E6
• Base-36: 9IO7946

Squares and roots of 20720081382

• 20720081382 squared (20720081382²) is 429321772476703029924
• 20720081382 cubed (20720081382³) is 8895582064781774479071261274968
• The square root of 20720081382 is 143944.7164087657
• The cube root of 20720081382 is 2746.6109825255

Scales and comparisons

• 20,720,081,382 seconds is equal to 658 years, 43 weeks, 2 days, 18 hours, 9 minutes, 42 seconds.
• To count from 1 to 20,720,081,382 would take you about one thousand, three hundred seventeen 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 20720081382 cubic inches would be around 228.9 feet tall.

Recreational maths with 20720081382

• 20720081382 backwards is 28318002702
• 20720081382 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20720081382's digits is 33
• More coming soon!