421819979490

Names of 421819979490

• Cardinal: 421819979490 can be written as Four hundred twenty-one billion, eight hundred nineteen million, nine hundred seventy-nine thousand, four hundred ninety.

Scientific notation

• Scientific notation: 4.2181997949 × 10¹¹

Factors of 421819979490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 244

Divisors of 421819979490

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 17 18 21 26 30 34 35 39 42 45 49 51 63 65 70 78 85 90 91 98 102 105 117 119 126 130 147 153 169 170 182 195 197 210 221 234 238 245 255 273 294 306 315 338 357 390 394 441 442 455 490 507 510 546 585 591 595 630 637 663 714 735 765 819 833 845 882 910 985 1014 1071 1105 1170 1182 1183 1190 1274 1326 1365 1379 1470 1521 1530 1547 1638 1666 1690 1773 1785 1911 1970 1989 2142 2197 2205 2210 2366 2499 2535 2561 2730 2758 2873 2955 3042 3094 3185 3315 3349 3546 3549 3570 3822 3978 4095 4137 4165 4394 4410 4641 4998 5070 5122 5355 5733 5746 5910 5915 6370 6591 6630 6698 6895 7098 7497 7605 7683 7735 8190 8274 8281 8330 8619 8865 9282 9555 9653 9945 10047 10647 10710 10829 10985 11466 11830 12411 12495 12805 13182 13790 13923 14365 14994 15210 15366 15379 15470 16562 16745 17238 17730 17745 17927 19110 19306 19773 19890 20094 20111 20685 21294 21658 21970 23049 23205 23443 24822 24843 24990 25610 25857 27846 28561 28665 28730 28959 30141 30758 32487 32955 33293 33490 35490 35854 37349 37485 38415 39546 40222 41370 41405 43095 43537 46098 46137 46410 46886 48265 49686 50235 51714 53235 53781 54145 57122 57330 57918 60282 60333 62055 64974 65910 66586 69615 70329 74529 74698 74970 76830 76895 82810 85683 86190 86877 87074 89635 92274 96530 97461 98865 99879 100470 100555 106470 107562 107653 108290 112047 115245 117215 120666 124110 124215 125489 129285 130611 138411 139230 140658 140777 142805 144795 149058 150705 153790 161343 162435 164101 166465 171366 173754 179270 180999 186745 194922 197730 199758 199927 201110 210987 215306 217685 224094 230490 230685 233051 234430 248430 250978 257049 258570 261222 261443 268905 276822 281554 285610 289590 299637 301410 301665 304759 322686 322959 324870 328202 332930 336141 351645 361998 372645 373490 376467 391833 399854 421974 422331 428415 432809 434385 435370 461370 466102 485537 487305 492303 499395 514098 522886 537810 538265 560235 565981 599274 599781 603330 609518 627445 645918 653055 672282 692055 699153 703290 703885 745290 752934 783666 784329 806715 820505 844662 856830 865618 868770 904995 914277 968877 971074 974610 984606 998790 999635 1054935 1076530 1120470 1129401 1131962 1165255 1199562 1254890 1266993 1285245 1298427 1306110 1307215 1384110 1398306 1399489 1407770 1456611 1476909 1498185 1523795 1568658 1613430 1614795 1631357 1641010 1680705 1697943 1799343 1809990 1828554 1830101 1882335 1937754 1959165 1999270 2097459 2109870 2111655 2133313 2164045 2258802 2330510 2352987 2427685 2461515 2533986 2570490 2596854 2614430 2742831 2798978 2829905 2913222 2953818 2996370 2998905 3029663 3047590 3229590 3262714 3361410 3395886 3398759 3495765 3598686 3660202 3764670 3895281 3918330 3921645 3961867 4194918 4198467 4223310 4266626 4328090 4369833 4571385 4705974 4844385 4855370 4894071 4923030 5093829 5485662 5490303 5626517 5647005 5659810 5997810 6059326 6334965 6399939 6492135 6797518 6991530 6997445 7283055 7357753 7384545 7790562 7843290 7923734 8156785 8396934 8489715 8739666 8996715 9088989 9142770 9150505 9688770 9788142 10187658 10196277 10487295 10666565 10980606 11253034 11294010 11764935 11885601 12595401 12669930 12799878 12984270 13714155 13994890 14566110 14682213 14715506 14769090 15148315 16313570 16470909 16879551 16979430 16993795 17993430 18177978 18301010 19199817 19476405 19809335 20392554 20974590 20992335 21207641 21333130 21849165 22073259 23529870 23771202 23791313 24470355 25190802 25469145 27266967 27428310 27451515 27733069 28132585 29364426 30296630 30588831 31999695 32941818 33759102 33987590 35656803 36788765 38399634 38952810 39385619 39618670 41984670 42415282 43698330 44146518 45444945 47582626 48940710 50638653 50938290 50981385 51504271 54533934 54903030 55466138 56265170 59428005 61177662 62977005 63622923 63999390 66219777 71313606 71373939 73411065 73577530 78771238 82354545 83199207 84397755 90889890 95650789 95999085 101277306 101962770 103008542 106038205 110366295 118156857 118856010 118956565 125954010 127245846 132439554 136334835 138665345 142747878 146822130 152944155 154512813 164709090 166398414 168795510 178284015 190868769 191301578 191998170 196928095 212076410 214121817 220732590 236313714 237913130 249597621 253193265 257521355 272669670 275699333 277330690 286952367 305888310 309025626 318114615 331098885 354470571 356568030 356869695 360529897 381737538 393856190 415996035 428243634 463538439 478253945 499195242 506386530 515042710 551398666 573904734 590784285 636229230 662197770 669555523 708941142 713739390 721059794 772564065 827097999 831992070 860857101 927076878 954343845 956507890 1070609085 1081589691 1181568570 1247988105 1339111046 1378496665 1434761835 1545128130 1654195998 1721714202 1772352855 1802649485 1908687690 2008666569 2141218170 2163179382 2317692195 2481293997 2495976210 2756993330 2869523670 3244769073 3347777615 3544705710 3605298970 4017333138 4135489995 4304285505 4635384390 4686888661 4962587994 5407948455 6025999707 6489538146 6695555230 8270979990 8608571010 9373777322 10043332845 10815896910 12051999414 12406469985 14060665983 16223845365 20086665690 23434443305 24812939970 28121331966 30129998535 32447690730 42181997949 46868886610 60259997070 70303329915 84363995898 140606659830 210909989745 421819979490
• Sum of all divisors σ(n): 1470830930712
• Sum of proper divisors (its aliquot sum) s(n): 1049010951222
• 421819979490 is an abundant number, because the sum of its proper divisors (1049010951222) is greater than itself. Its abundance is 627190971732

Bases of 421819979490

• Binary: 110001000110110011011100001011011100010₂
• Hexadecimal: 0x62366E16E2
• Base-36: 5DS4Q38I

Squares and roots of 421819979490

• 421819979490 squared (421819979490²) is 177932095096944020660100
• 421819979490 cubed (421819979490³) is 75055312704405656356521518261349000
• The square root of 421819979490 is 649476.6966489249
• The cube root of 421819979490 is 7499.6739383579

Scales and comparisons

• 421,819,979,490 seconds is equal to 13,412 years, 29 weeks, 4 days, 16 hours, 31 minutes, 30 seconds.
• To count from 1 to 421,819,979,490 would take you about twenty-six thousand, eight hundred twenty-five 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 421819979490 cubic inches would be around 625 feet tall.

Recreational maths with 421819979490

• 421819979490 backwards is 094979918124
• 421819979490 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 421819979490's digits is 63
• More coming soon!