1649678545575225

Names of 1649678545575225

• Cardinal: 1649678545575225 can be written as One quadrillion, six hundred forty-nine trillion, six hundred seventy-eight billion, five hundred forty-five million, five hundred seventy-five thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.649678545575225 × 10¹⁵

Factors of 1649678545575225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1032

Divisors of 1649678545575225

• Number of divisors d(n): 351
• Complete list of divisors:
  1 3 5 9 11 15 25 27 33 45 55 75 81 99 121 135 165 225 243 275 297 363 405 495 605 675 729 825 891 1013 1089 1215 1485 1815 2025 2187 2475 2673 3025 3039 3267 3645 4455 5065 5445 6075 6561 7425 8019 9075 9117 9801 10935 11143 13365 15195 16335 18225 19683 22275 24057 25325 27225 27351 29403 32805 33429 40095 45585 49005 54675 55715 59049 66825 72171 75975 81675 82053 88209 98415 100287 120285 122573 136755 147015 164025 167145 177147 200475 216513 227925 245025 246159 264627 278575 295245 300861 360855 367719 410265 441045 492075 501435 531441 601425 612865 649539 683775 735075 738477 793881 835725 885735 902583 1026169 1082565 1103157 1230795 1323135 1476225 1504305 1804275 1838595 1948617 2051325 2205225 2215431 2381643 2507175 2657205 2707749 3064325 3078507 3247695 3309471 3692385 3969405 4428675 4512915 5130845 5412825 5515785 5845851 6153975 6615675 6646293 7144929 7521525 8123247 9192975 9235521 9743085 9928413 11077155 11287859 11908215 13286025 13538745 15392535 16238475 16547355 18461925 19847025 19938879 21434787 22564575 24369741 25654225 27578925 27706563 29229255 29785239 33231465 33863577 35724645 40616235 46177605 48715425 49642065 55385775 56439295 59541075 59816637 64304361 67693725 73109223 76962675 82736775 83119689 89355717 99694395 101590731 107173935 121848705 124166449 138532815 146146275 148926195 166157325 169317885 178623225 179449911 203081175 219327669 230888025 248210325 249359067 268067151 282196475 299083185 304772193 321521805 365546115 372499347 415598445 446778585 498471975 507953655 535869675 538349733 609243525 620832245 657983007 692664075 744630975 748077201 804201453 846589425 897249555 914316579 1096638345 1117498041 1246795335 1340335755 1495415925 1523860965 1607609025 1827730575 1862496735 1973949021 2077992225 2233892925 2244231603 2412604359 2539768275 2691748665 2742949737 3104161225 3289915035 3352494123 3740386005 4021007265 4486247775 4571582895 5483191725 5587490205 5921847063 6233976675 6701678775 6732694809 7237813077 7619304825 8228849211 9312483675 9869745105 10057482369 11221158015 12063021795 13458743325 13714748685 16449575175 16762470615 18701930025 20105036325 20198084427 21713439231 22857914475 24686547633 27937451025 29609235315 30172447107 33663474045 36189065385 41144246055 49348725525 50287411845 56105790075 60315108975 60594253281 65140317693 68573743425 74059642899 83812353075 90517341321 100990422135 108567196155 123432738165 148046176575 150862235535 168317370225 180945326925 181782759843 205721230275 222178928697 251437059225 271552023963 302971266405 325701588465 370298214495 452586706605 504952110675 542835980775 545348279529 617163690825 666536786091 754311177675 814656071889 908913799215 1110894643485 1357760119815 1514856332025 1628507942325 1851491072475 1999610358273 2262933533025 2443968215667 2726741397645 3332683930455 4073280359445 4544568996075 5554473217425 5998831074819 6788800599075 7331904647001 9998051791365 12219841078335 13633706988225 16663419652275 20366401797225 21995713941003 29994155374095 36659523235005 49990258956825 61099205391675 65987141823009 109978569705015 149970776870475 183297616175025 329935709115045 549892848525075 1649678545575225
• Sum of all divisors σ(n): 3376037027829949
• Sum of proper divisors (its aliquot sum) s(n): 1726358482254724
• 1649678545575225 is an abundant number, because the sum of its proper divisors (1726358482254724) is greater than itself. Its abundance is 76679936679499

Bases of 1649678545575225

• Binary: 101110111000101111110110111101100111101110100111001₂
• Hexadecimal: 0x5DC5FB7B3DD39
• Base-36: G8RFV0LIK9

Squares and roots of 1649678545575225

• 1649678545575225 squared (1649678545575225²) is 2721439303731189707426133800625
• 1649678545575225 cubed (1649678545575225³) is 4489500032450522031154493702644567906089515625
• 1649678545575225 is a perfect square number. Its square root is 40616235
• The cube root of 1649678545575225 is 118158.9007769635

Scales and comparisons

• 1,649,678,545,575,225 seconds is equal to 52,454,674 years, 49 weeks, 5 days, 21 hours, 33 minutes, 45 seconds.
• To count from 1 to 1,649,678,545,575,225 would take you about one hundred fifty-seven million, three hundred sixty-four thousand and twenty-four 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 1649678545575225 cubic inches would be around 9846.6 feet tall.

Recreational maths with 1649678545575225

• 1649678545575225 backwards is 5225755458769461
• 1649678545575225 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1649678545575225's digits is 81
• More coming soon!