1640021352506225

Names of 1640021352506225

• Cardinal: 1640021352506225 can be written as One quadrillion, six hundred forty trillion, twenty-one billion, three hundred fifty-two million, five hundred six thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.640021352506225 × 10¹⁵

Factors of 1640021352506225

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1250

Divisors of 1640021352506225

• Number of divisors d(n): 324
• Complete list of divisors:
  1 5 13 25 31 61 65 79 155 169 305 325 395 403 775 793 845 961 1027 1061 1525 1891 1975 2015 2449 3965 4225 4805 4819 5135 5239 5305 6241 9455 10075 10309 12245 12493 13351 13793 19825 24025 24095 24583 25675 26195 26525 31205 31837 32891 47275 51545 58621 61225 62465 62647 64721 66755 68965 75919 81133 83819 120475 122915 130975 149389 156025 159185 162409 164455 179309 193471 257725 293105 312325 313235 319579 323605 333775 344825 379595 380701 405665 413881 419095 427583 614575 746945 762073 795925 812045 814411 822275 841373 896545 967355 986947 1019621 1054729 1089647 1465525 1566175 1597895 1618025 1897975 1903505 1942057 2006351 2028325 2069405 2095475 2137915 2515123 2598389 3734725 3810365 4060225 4072055 4206865 4482725 4631059 4836775 4934735 4949113 5098105 5112959 5273645 5448235 5558579 5997601 6621701 7989475 9517525 9710285 9906949 10031755 10347025 10689575 10937849 11801731 12575615 12830311 12991945 13255073 14165411 19051825 20360275 21034325 23155295 24673675 24745565 25246741 25490525 25564795 26082563 26368225 27241175 27792895 29988005 32696599 33108505 33779057 48551425 49534745 50158775 54689245 59008655 60203767 62196881 62878075 64151555 64338469 64959725 66275365 66468467 70827055 77968813 80550059 86082113 115776475 123727825 126233705 127823975 130412815 138964475 149940025 153422503 158501729 163482995 165542525 168895285 172315949 205272731 247673725 273446225 295043275 301018835 310984405 320757775 321692345 331376825 332342335 339073319 354135275 365853661 389844065 402750295 403923761 430410565 439127741 631168525 652064075 767112515 782648971 792508645 808559453 817414975 844476425 861579745 864090071 1013594569 1026363655 1047150767 1119067469 1505094175 1554922025 1608461725 1661711675 1695366595 1829268305 1949220325 1994492539 2013751475 2019618805 2060522477 2152052825 2195638705 2668545503 3835562575 3913244855 3962543225 4042797265 4307898725 4320450355 4756097593 4913553599 5067972845 5131818275 5235753835 5251008893 5595337345 6363454661 8476832975 9146341525 9972462695 10098094025 10302612385 10511272889 10978193525 12521636591 13342727515 13612959971 19566224275 20213986325 21602251775 23780487965 24567767995 25339864225 26178769175 26255044465 26786792201 27976686725 31817273305 34691091539 49862313475 51513061925 52556364445 61829268709 62608182955 63876196787 66713637575 68064799855 68263115609 82724910593 118902439825 122838839975 131275222325 133933961005 159086366525 162781275683 173455457695 262781822225 309146343545 313040914775 319380983935 340323999275 341315578045 388170734321 413624552965 669669805025 813906378415 830390558231 867277288475 1075423837709 1545731717725 1596904919675 1706577890225 1940853671605 2068122764825 2116156583879 4069531892075 4151952791155 5046219546173 5377119188545 9704268358025 10580782919395 20759763955775 25231097730865 26885595942725 52903914596975 65600854100249 126155488654325 328004270501245 1640021352506225
• Sum of all divisors σ(n): 2344574453670036
• Sum of proper divisors (its aliquot sum) s(n): 704553101163811
• 1640021352506225 is a deficient number, because the sum of its proper divisors (704553101163811) is less than itself. Its deficiency is 935468251342414

Bases of 1640021352506225

• Binary: 101110100111001011100111010001000111110001101110001₂
• Hexadecimal: 0x5D3973A23E371
• Base-36: G5C7EP6OOH

Squares and roots of 1640021352506225

• 1640021352506225 squared (1640021352506225²) is 2689670036676347522088663750625
• 1640021352506225 cubed (1640021352506225³) is 4411116291345411263914184212542737152160140625
• The square root of 1640021352506225 is 40497177.0930545849
• The cube root of 1640021352506225 is 117927.8825949339

Scales and comparisons

• 1,640,021,352,506,225 seconds is equal to 52,147,606 years, 4 weeks, 4 days, 23 hours, 17 minutes, 5 seconds.
• To count from 1 to 1,640,021,352,506,225 would take you about one hundred fifty-six million, four hundred forty-two thousand, eight hundred eighteen 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 1640021352506225 cubic inches would be around 9827.3 feet tall.

Recreational maths with 1640021352506225

• 1640021352506225 backwards is 5226052531200461
• The number of decimal digits it has is: 16
• The sum of 1640021352506225's digits is 44
• More coming soon!