21006187799025

Names of 21006187799025

• Cardinal: 21006187799025 can be written as Twenty-one trillion, six billion, one hundred eighty-seven million, seven hundred ninety-nine thousand and twenty-five.

Scientific notation

• Scientific notation: 2.1006187799025 × 10¹³

Factors of 21006187799025

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 278

Divisors of 21006187799025

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 5 11 13 15 17 25 33 39 51 55 65 75 85 143 165 169 187 195 221 229 255 275 325 425 429 507 561 663 687 715 825 845 935 975 1105 1145 1275 1859 2145 2197 2431 2519 2535 2805 2873 2977 3315 3435 3575 3893 4225 4675 5525 5577 5725 6591 7293 7557 8619 8931 9295 10725 10985 11679 12155 12595 12675 14025 14365 14885 16575 17175 19465 24167 27885 28561 31603 32747 32955 36465 37349 37785 38701 42823 43095 44655 46475 50609 52441 54925 58395 60775 62975 71825 72501 74425 85683 94809 97325 98241 112047 116103 120835 128469 139425 142805 151827 157323 158015 163735 164775 182325 186745 188925 193505 214115 215475 223275 253045 262205 291975 314171 362505 410839 425711 428415 474045 485537 491205 503113 556699 560235 576851 580515 604175 642345 657917 681733 714025 759135 786615 790075 818675 891497 933725 942513 967525 1070575 1232517 1265225 1277133 1311025 1456611 1509339 1570855 1670097 1730553 1812525 1973751 2045199 2054195 2128555 2142075 2370225 2427685 2456025 2515565 2674491 2783495 2801175 2884255 2902575 3211725 3289585 3408665 3795675 3933075 4457485 4712565 5340907 5534243 6162585 6385665 6540469 7237087 7283055 7499063 7546695 7854275 8350485 8552921 8652765 8862529 9806467 9868755 10225995 10270975 10642775 11589461 12138425 12577825 13372455 13917475 14421275 16022721 16447925 16602729 17043325 19621407 21711261 22287425 22497189 23562825 25658763 26587587 26704535 27671215 29419401 30812925 31928325 32702345 34768383 36185435 36415275 37495315 37733475 41752425 42764605 43263825 44312645 49032335 49343775 51129975 57947305 66862275 71945159 80113605 83013645 94082131 97487819 98107035 108556305 111187973 112485945 115212877 127484071 128293815 132937935 133522675 138356075 147097005 150662993 163511725 173841915 180927175 187476575 213823025 215835477 221563225 245161675 282246393 289736525 292463457 333563919 345638631 359725795 382452213 400568025 415068225 451988979 470410655 487439095 490535175 542781525 555939865 562429725 576064385 637420355 641469075 664689675 735485025 753314965 869209575 1079177385 1223067703 1267341647 1411231965 1462317285 1497767401 1657292923 1667819595 1728193155 1798628975 1912261065 1958618909 2259944895 2352053275 2437195475 2779699325 2880321925 3187101775 3669203109 3766574825 3802024941 4493302203 4971878769 5395886925 5875856727 6115338515 6336708235 7056159825 7311586425 7488837005 8286464615 8339097975 8640965775 9561305325 9793094545 11299724475 16475441411 18346015545 19010124705 21544807999 22466511015 24859393845 25462045817 29379283635 30576692575 31683541175 37444185025 41432323075 48965472725 49426324233 64634423997 76386137451 82377207055 91730077725 95050623525 107724039995 112332555075 124296969225 127310229085 146896418175 247131621165 280082503987 323172119985 381930687255 411886035275 538620199975 636551145425 840247511961 1235658105825 1400412519935 1615860599925 1909653436275 4201237559805 7002062599675 21006187799025
• Sum of all divisors σ(n): 43649708320224
• Sum of proper divisors (its aliquot sum) s(n): 22643520521199
• 21006187799025 is an abundant number, because the sum of its proper divisors (22643520521199) is greater than itself. Its abundance is 1637332722174

Bases of 21006187799025

• Binary: 100110001101011100010010111001010000111110001₂
• Hexadecimal: 0x131AE25CA1F1
• Base-36: 7G23XUNZL

Squares and roots of 21006187799025

• 21006187799025 squared (21006187799025²) is 441259925847906773790950625
• 21006187799025 cubed (21006187799025³) is 9269188870544975499443117664831198140625
• The square root of 21006187799025 is 4583250.7894533767
• The cube root of 21006187799025 is 27591.9512863255

Scales and comparisons

• 21,006,187,799,025 seconds is equal to 667,931 years, 41 weeks, 2 days, 14 hours, 23 minutes, 45 seconds.
• To count from 1 to 21,006,187,799,025 would take you about one million, six hundred sixty-nine thousand, eight hundred twenty-nine 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 21006187799025 cubic inches would be around 2299.3 feet tall.

Recreational maths with 21006187799025

• 21006187799025 backwards is 52099778160012
• The number of decimal digits it has is: 14
• The sum of 21006187799025's digits is 57
• More coming soon!