428508997280

Names of 428508997280

• Cardinal: 428508997280 can be written as Four hundred twenty-eight billion, five hundred eight million, nine hundred ninety-seven thousand, two hundred eighty.

Scientific notation

• Scientific notation: 4.2850899728 × 10¹¹

Factors of 428508997280

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1829

Divisors of 428508997280

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 19 20 26 28 29 31 32 35 38 40 52 56 58 62 65 70 76 80 91 95 104 112 116 124 130 133 140 145 152 155 160 182 190 203 208 217 224 232 247 248 260 266 280 290 304 310 364 377 380 403 406 416 434 455 464 494 496 520 532 551 560 580 589 608 620 665 728 754 760 806 812 868 899 910 928 988 992 1015 1040 1064 1085 1102 1120 1160 1178 1235 1240 1330 1456 1508 1520 1612 1624 1723 1729 1736 1798 1820 1885 1976 2015 2030 2080 2128 2170 2204 2320 2356 2470 2480 2639 2660 2755 2821 2912 2945 3016 3040 3224 3248 3446 3458 3472 3596 3640 3770 3857 3952 4030 4060 4123 4256 4340 4408 4495 4640 4712 4940 4960 5278 5320 5510 5642 5890 6032 6293 6448 6496 6892 6916 6944 7163 7192 7280 7540 7657 7714 7904 8060 8120 8246 8615 8645 8680 8816 8990 9424 9880 10556 10640 11020 11284 11687 11780 12061 12064 12586 12896 13195 13784 13832 14105 14326 14384 14560 15080 15314 15428 16120 16240 16492 17081 17230 17290 17360 17632 17980 18848 19285 19760 20615 21112 21280 22040 22399 22568 23374 23560 24122 25172 26390 27568 27664 28210 28652 28768 30160 30628 30856 31465 32240 32480 32737 32984 34162 34460 34580 34720 35815 35960 38285 38570 39520 41230 42224 44080 44798 45136 46748 47120 48244 49967 50141 50344 52780 53413 53599 55136 55328 56420 57304 58435 60305 60320 61256 61712 62930 64480 65474 65968 68324 68920 69160 71630 71920 76570 77140 81809 82460 84448 85405 88160 89596 90272 93496 94240 96488 99934 100282 100688 105560 106826 107198 111995 112840 114608 116870 119567 120610 122512 123424 125860 130948 131936 136648 137840 138320 143260 143840 153140 154280 156793 163618 163685 164920 170810 179192 186992 192976 199868 200564 201376 211120 213652 214396 222053 223990 225680 229159 229216 233740 239134 241220 245024 249835 250705 251720 261896 267065 267995 273296 275680 276640 286520 306280 308560 313586 327236 327370 329840 341620 349769 358384 373891 373984 385952 399736 401128 409045 422240 425581 427304 428792 444106 447980 451360 458318 467480 478268 482440 499670 501410 503440 523792 534130 535990 546592 573040 597835 612560 617120 627172 649571 654472 654740 659680 683240 694369 699538 716768 747782 783965 799472 802256 818090 851162 854608 857584 888212 895960 916636 934960 949373 956536 964880 999340 1002820 1006880 1014847 1047584 1068260 1071980 1110265 1145795 1146080 1195670 1225120 1254344 1299142 1308944 1309480 1366480 1388738 1399076 1495564 1548977 1554371 1567930 1598944 1604512 1636180 1702324 1709216 1715168 1748845 1776424 1791920 1833272 1869455 1869920 1898746 1913072 1929760 1998680 2005640 2029694 2127905 2136520 2143960 2220530 2291590 2391340 2508688 2598284 2617888 2618960 2732960 2777476 2798152 2979067 2991128 3097954 3108742 3135860 3247855 3272360 3404648 3471845 3497690 3552848 3583840 3666544 3738910 3797492 3826144 3997360 4011280 4059388 4255810 4273040 4287920 4441060 4546997 4583180 4746865 4782680 4860583 5017376 5074235 5196568 5237920 5554952 5596304 5958134 5982256 6195908 6217484 6271720 6495710 6544720 6645611 6809296 6943690 6995380 7103929 7105696 7333088 7477820 7594984 7744885 7771855 7994720 8022560 8118776 8511620 8546080 8575840 8882120 9093994 9166360 9493730 9565360 9721166 10148470 10393136 10842839 11109904 11192608 11916268 11964512 12341849 12391816 12434968 12543440 12991420 13089440 13193011 13291222 13618592 13887380 13990760 14207858 14895335 14955640 15189968 15489770 15543710 16237552 17023240 17764240 18187988 18332720 18987460 19130720 19442332 20136701 20296940 20786272 21685678 22219808 22734985 23832536 24302915 24683698 24783632 24869936 25086880 25982840 26386022 26582444 27774760 27981520 28415716 29430563 29790670 29911280 30379936 30979540 31087420 32475104 33228055 34046480 35519645 35528480 36375976 36665440 37974920 38884664 40273402 40593880 43371356 45469970 47665072 48605830 49367396 49567264 49739872 51965680 52772044 53164888 54214195 55549520 55963040 56831432 58861126 59581340 59822560 61709245 61959080 62174840 65965055 66456110 68092960 71039290 72751952 75949840 77769328 80546804 81187760 86392943 86742712 90939940 92351077 95330144 97211660 98734792 100683505 103931360 105544088 106329776 108428390 111099040 113662864 117722252 119162680 123418490 123918160 124349680 131930110 132912220 140956907 142078580 145503904 147152815 151899680 155538656 161093608 162375520 172785886 173485424 181879880 184702154 194423320 197469584 201367010 206013941 211088176 212659552 216856780 227325728 235444504 238325360 246836980 247836320 248699360 263860220 265824440 281913814 284157160 294305630 322187216 345571772 346970848 363759760 369404308 382597319 388846640 394939168 402734020 412027882 422176352 431964715 433713560 461755385 470889008 476650720 493673960 527720440 531648880 563827628 568314320 588611260 644374432 691143544 704784535 727519520 738808616 765194638 777693280 805468040 824055764 863929430 867427120 923510770 941778016 987347920 1030069705 1055440880 1063297760 1127655256 1136628640 1177222520 1382287088 1409569070 1477617232 1530389276 1610936080 1648111528 1727858860 1734854240 1847021540 1912986595 1974695840 2060139410 2110881760 2255310512 2354445040 2678181233 2764574176 2819138140 2955234464 3060778552 3221872160 3296223056 3455717720 3694043080 3825973190 4120278820 4510621024 4708890080 5356362466 5638276280 6121557104 6592446112 6911435440 7388086160 7651946380 8240557640 10712724932 11276552560 12243114208 13390906165 13822870880 14776172320 15303892760 16481115280 21425449864 22553105120 26781812330 30607785520 32962230560 42850899728 53563624660 61215571040 85701799456 107127249320 214254498640 428508997280
• Sum of all divisors σ(n): 1401355468800
• Sum of proper divisors (its aliquot sum) s(n): 972846471520
• 428508997280 is an abundant number, because the sum of its proper divisors (972846471520) is greater than itself. Its abundance is 544337474240

Bases of 428508997280

• Binary: 110001111000101001000000110011010100000₂
• Hexadecimal: 0x63C52066A0
• Base-36: 5GUR6YE8

Squares and roots of 428508997280

• 428508997280 squared (428508997280²) is 183619960749911047398400
• 428508997280 cubed (428508997280³) is 78682805261537339769882936676352000
• The square root of 428508997280 is 654605.9862848795
• The cube root of 428508997280 is 7539.1082941943

Scales and comparisons

• 428,508,997,280 seconds is equal to 13,625 years, 13 weeks, 3 days, 21 hours, 1 minute, 20 seconds.
• To count from 1 to 428,508,997,280 would take you about twenty-seven thousand, two hundred fifty 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 428508997280 cubic inches would be around 628.3 feet tall.

Recreational maths with 428508997280

• 428508997280 backwards is 082799805824
• 428508997280 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 428508997280's digits is 62
• More coming soon!