428465419928960180221

Names of 428465419928960180221

• Cardinal: 428465419928960180221 can be written as Four hundred twenty-eight quintillion, four hundred sixty-five quadrillion, four hundred nineteen trillion, nine hundred twenty-eight billion, nine hundred sixty million, one hundred eighty thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 4.28465419928960180221 × 10²⁰

Factors of 428465419928960180221

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 231445511

Divisors of 428465419928960180221

• Number of divisors d(n): 192
• Complete list of divisors:
  1 7 13 31 89 91 169 217 257 403 623 1157 1183 1799 2207 2759 2821 3341 5239 7967 8099 15041 15449 19313 22873 23387 28691 35867 36673 43433 55769 68417 103571 105287 160111 196423 200837 251069 297349 304031 372983 466271 478919 567199 709063 724997 889421 1346423 1374961 2081443 2553499 2610881 3263897 3865537 3970393 4963441 6089113 6225947 7373587 9217819 9424961 11562473 17583169 17874493 27058759 33195487 42623791 50480711 51615109 64524733 79158469 80937311 95856631 119831647 123082183 228581197 231442907 232368409 353364977 554109283 656249243 670996417 838821529 1029060097 1564902041 1600068379 1620100349 2971555561 3008757791 4593744701 7174730117 7203420679 8531240159 10954314287 20343726533 20598418723 20800888927 21061304537 39113851283 50223110819 59480827099 59718681113 93271491521 142406085731 144188931061 264468444929 267779443399 273796958981 416365789693 510794495749 638550980413 652900440647 773250752287 1212529389773 1843905640069 1851279114503 1874456103793 3481132764187 3575561470243 4469856862891 5293793611811 5412755266009 6640328444737 8301162745369 8487705728411 10052259779731 12907339480483 15834629368219 23970773320897 24367929349309 37056555282677 45460710121661 46482299113159 58108139217583 68819316953543 70365818458117 86324269781581 107915115689797 110842405577533 131274185407493 164107601966141 167795413246279 205850181786847 311620053171661 318224970851627 481735218674801 590989231581593 604269888471067 755405809828579 894651120396059 918919297852451 1148753213762987 1409282013771491 1440951272507929 1706564410297409 2133398825559833 2181340372201627 2676052363229011 4069499747632283 4136924621071151 6262557842772413 7682860010560709 9864974096400437 11683402501266877 11945950872081863 14933791778918831 18320666179029383 18732366542603077 22185337333866317 27734184732277829 28486498233425981 52903496719219679 53780020073924963 81783817508868139 128244663253205681 151884232516469401 155297361337064219 194139293125944803 238168660327381979 362185477539273187 370324477034537753 687745457349855827 1063189627615285807 1667180622291673853 1974495022714102213 2535298342774912309 4708411208010551431 4814218201448990789 13821465158998715491 32958878456073860017 61209345704137168603 428465419928960180221
• Sum of all divisors σ(n): 555899414905794723840
• Sum of proper divisors (its aliquot sum) s(n): 127433994976834543619
• 428465419928960180221 is a deficient number, because the sum of its proper divisors (127433994976834543619) is less than itself. Its deficiency is 301031424952125636602

Bases of 428465419928960180221

• Binary: 101110011101000100110111101010101000101111100001111110001111111111101₂
• Hexadecimal: 0x173A26F5517C3F1FFD
• Base-36: 2IFA239MPYWG71

Squares and roots of 428465419928960180221

• 428465419928960180221 squared (428465419928960180221²) is 183582616074900187568379571634232799608841
• 428465419928960180221 cubed (428465419928960180221³) is 78658802688189184364046274189410661854216776187077313664933861
• The square root of 428465419928960180221 is 20699406269.9624353311
• The cube root of 428465419928960180221 is 7538852.7215706927

Scales and comparisons

• 428,465,419,928,960,180,221 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 428,465,419,928,960,180,221 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 428465419928960180221 cubic inches would be around 628237.7 feet tall.

Recreational maths with 428465419928960180221

• 428465419928960180221 backwards is 122081069829914564824
• 428465419928960180221 is a Harshad number.
• The number of decimal digits it has is: 21
• The sum of 428465419928960180221's digits is 91
• More coming soon!