420499807728

Names of 420499807728

• Cardinal: 420499807728 can be written as Four hundred twenty billion, four hundred ninety-nine million, eight hundred seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.20499807728 × 10¹¹

Factors of 420499807728

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8951

Divisors of 420499807728

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 16 21 22 23 24 26 28 33 39 42 43 44 46 48 52 56 66 69 77 78 84 86 88 91 92 104 112 129 132 138 143 154 156 161 168 172 176 182 184 208 231 253 258 264 273 276 286 299 301 308 312 322 336 344 364 368 429 462 473 483 506 516 528 546 552 559 572 598 602 616 624 644 688 728 759 858 897 903 924 946 966 989 1001 1012 1032 1092 1104 1118 1144 1196 1204 1232 1288 1419 1456 1518 1677 1716 1771 1794 1806 1848 1892 1932 1978 2002 2024 2064 2093 2184 2236 2288 2392 2408 2576 2838 2967 3003 3036 3289 3311 3354 3432 3542 3588 3612 3696 3784 3864 3913 3956 4004 4048 4186 4368 4472 4784 4816 5313 5676 5934 6006 6072 6149 6279 6578 6622 6708 6864 6923 7084 7176 7224 7568 7728 7826 7912 8008 8372 8849 8944 9867 9933 10626 10879 11352 11739 11868 12012 12144 12298 12558 12857 13156 13244 13416 13846 14168 14352 14448 15652 15824 16016 16744 17698 18447 19734 19866 20769 21252 21758 22704 23023 23478 23736 24024 24596 25116 25714 26312 26488 26547 26832 27692 28336 31304 32637 33488 35396 36894 38571 39468 39732 41538 42504 43043 43516 46046 46956 47472 48048 49192 50232 51428 52624 52976 53094 55384 61943 62608 65274 69069 70792 73788 76153 77142 78936 79464 83076 85008 86086 87032 89999 92092 93912 97339 98384 100464 102856 106188 110768 115037 123886 129129 130548 138138 141427 141584 147576 152306 154284 157872 158928 166152 172172 174064 179998 184184 185829 187824 194678 203527 205712 212376 228459 230074 247772 258258 261096 269997 276276 282854 292017 295152 304612 308568 332304 344344 345111 359996 368368 371658 380507 389356 407054 424281 424752 456918 460148 495544 516516 522192 539994 552552 565708 584034 609224 610581 617136 681373 688688 690222 719992 743316 761014 778712 805259 814108 848562 913836 920296 989989 991088 1033032 1079988 1105104 1131416 1141521 1168068 1218448 1221162 1265407 1362746 1380444 1424689 1439984 1486632 1522028 1557424 1610518 1628216 1697124 1827672 1840592 1979978 2044119 2066064 2159976 2238797 2262832 2283042 2336136 2415777 2442324 2530814 2645851 2663549 2725492 2760888 2849378 2969967 2973264 3044056 3221036 3256432 3394248 3655344 3796221 3959956 4088238 4185577 4274067 4319952 4477594 4566084 4672272 4831554 4884648 4946591 5061628 5291702 5327098 5450984 5521776 5698756 5939934 6088112 6442072 6716391 6788496 7592442 7919912 7937553 7990647 8176476 8371154 8548134 8751661 8857849 8955188 9132168 9663108 9769296 9893182 10123256 10583404 10654196 10901968 11397512 11879868 12556731 12884144 13432782 14839773 15184884 15671579 15839824 15875106 15981294 16352952 16742308 17096268 17503322 17715698 17910376 18264336 18520957 19326216 19786364 20246512 21166808 21308392 22795024 23759736 25113462 26254983 26573547 26865564 29104361 29299039 29679546 30369768 31343158 31750212 31962588 32705904 33484616 34192536 34626137 35006644 35431396 35820752 37041914 38652432 39572728 42333616 42616784 47014737 47519472 50226924 52509966 53147094 53731128 54412501 55562871 58208722 58598078 59359092 60739536 61261627 62686316 63500424 63925176 66969232 68385072 69252274 70013288 70862792 74083828 79145456 87313083 87897117 94029474 96268271 100453848 103878411 105019932 106294188 107462256 108825002 111125742 113771593 116417444 117196156 118718184 122523254 125372632 127000848 127850352 138504548 140026576 141725584 148167656 163237503 174626166 175794234 183784881 188058948 192536542 200907696 203730527 207756822 210039864 212588376 217650004 222251484 227543186 232834888 234392312 237436368 245046508 250745264 277009096 288804813 296335312 326475006 341314779 349252332 351588468 367569762 376117896 380887507 385073084 407461054 415513644 420079728 425176752 435300008 444502968 455086372 465669776 468784624 490093016 554018192 577609626 611191581 652950012 673877897 682629558 698504664 703176936 735139524 752235792 761775014 770146168 796401151 814922108 831027288 870600016 889005936 910172744 980186032 1142662521 1155219252 1222383162 1251487523 1305900024 1347755794 1365259116 1397009328 1406353872 1470279048 1523550028 1540292336 1592802302 1629844216 1662054576 1820345488 2021633691 2285325042 2310438504 2389203453 2444766324 2502975046 2611800048 2695511588 2730518232 2940558096 3047100056 3185604604 3259688432 3754462569 4043267382 4570650084 4620877008 4778406906 4889532648 5005950092 5391023176 5461036464 6094200112 6371209208 7508925138 8086534764 8760412661 9141300168 9556813812 9779065296 10011900184 10782046352 12742418416 15017850276 16173069528 17520825322 18282600336 19113627624 20023800368 26281237983 30035700552 32346139056 35041650644 38227255248 52562475966 60071401104 70083301288 105124951932 140166602576 210249903864 420499807728
• Sum of all divisors σ(n): 1557500313600
• Sum of proper divisors (its aliquot sum) s(n): 1137000505872
• 420499807728 is an abundant number, because the sum of its proper divisors (1137000505872) is greater than itself. Its abundance is 716500698144

Bases of 420499807728

• Binary: 110000111100111101111011101110111110000₂
• Hexadecimal: 0x61E7BDDDF0
• Base-36: 5D6AQ86O

Squares and roots of 420499807728

• 420499807728 squared (420499807728²) is 176820088299284968521984
• 420499807728 cubed (420499807728³) is 74352813132297311783374804341092352
• The square root of 420499807728 is 648459.5652220731
• The cube root of 420499807728 is 7491.8418416067

Scales and comparisons

• 420,499,807,728 seconds is equal to 13,370 years, 30 weeks, 5 days, 22 hours, 8 minutes, 48 seconds.
• To count from 1 to 420,499,807,728 would take you about twenty-six thousand, seven hundred forty-one 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 420499807728 cubic inches would be around 624.3 feet tall.

Recreational maths with 420499807728

• 420499807728 backwards is 827708994024
• The number of decimal digits it has is: 12
• The sum of 420499807728's digits is 60
• More coming soon!