18238042620

Names of 18238042620

• Cardinal: 18238042620 can be written as Eighteen billion, two hundred thirty-eight million, forty-two thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.823804262 × 10¹⁰

Factors of 18238042620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1884

Divisors of 18238042620

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 27 28 30 35 36 38 42 45 47 54 57 60 63 70 76 81 84 90 94 95 105 108 114 126 133 135 140 141 162 171 180 188 189 190 210 228 235 252 266 270 282 285 315 324 329 342 378 380 399 405 420 423 470 513 532 540 564 567 570 630 658 665 684 705 756 798 810 846 855 893 940 945 987 1026 1134 1140 1197 1260 1269 1316 1330 1410 1539 1596 1620 1645 1692 1710 1786 1801 1890 1974 1995 2052 2115 2268 2394 2538 2565 2660 2679 2820 2835 2961 3078 3290 3420 3572 3591 3602 3780 3807 3948 3990 4230 4465 4788 4935 5076 5130 5358 5403 5670 5922 5985 6156 6251 6345 6580 7182 7204 7614 7695 7980 8037 8460 8883 8930 9005 9870 10260 10716 10773 10806 11340 11844 11970 12502 12607 12690 13395 14364 14805 15228 15390 16074 16209 17766 17860 17955 18010 18753 19035 19740 21546 21612 23940 24111 25004 25214 25380 26649 26790 27015 29610 30780 31255 32148 32418 34219 35532 35910 36020 37506 37821 38070 40185 43092 44415 48222 48627 50428 53298 53580 53865 54030 56259 59220 62510 63035 64836 68438 71820 72333 75012 75642 76140 80370 81045 84647 88830 93765 96444 97254 102657 106596 107730 108060 112518 113463 120555 125020 126070 133245 136876 144666 145881 151284 160740 162090 168777 169294 171095 177660 187530 189105 194508 205314 215460 225036 226926 239533 241110 243135 252140 253941 266490 281295 289332 291762 307971 324180 337554 338588 340389 342190 361665 375060 378210 410628 423235 453852 479066 482220 486270 506331 507882 513285 532980 562590 567315 583524 592529 615942 675108 680778 684380 718599 723330 729405 756420 761823 843885 846470 923913 958132 972540 1012662 1015764 1021167 1026570 1125180 1134630 1185058 1197665 1231884 1269705 1361556 1437198 1446660 1458810 1523646 1539855 1608293 1687770 1692940 1701945 1777587 1847826 2025324 2042334 2053140 2155797 2269260 2285469 2370116 2395330 2531655 2539410 2771739 2874396 2917620 2962645 3047292 3079710 3216586 3375540 3403890 3555174 3592995 3695652 3809115 4084668 4311594 4570938 4619565 4790660 4824879 5063310 5078820 5105835 5332761 5543478 5925290 6159420 6433172 6467391 6807780 6856407 7110348 7185990 7618230 8041465 8623188 8887935 9141876 9239130 9649758 10126620 10211670 10665522 10778985 11086956 11258051 11427345 11850580 12934782 13712814 13858695 14371980 14474637 15236460 15998283 16082930 17775870 18478260 19299516 19402173 20423340 21331044 21557970 22516102 22854690 24124395 25869564 26663805 27425628 27717390 28949274 31996566 32165860 32336955 33774153 34282035 35551740 38804346 43115940 43423911 45032204 45709380 47994849 48248790 53327610 55434780 56290255 57898548 63993132 64673910 67548306 68564070 72373185 77608692 79991415 86847822 95989698 96497580 97010865 101322459 106655220 112580510 129347820 130271733 135096612 137128140 144746370 159982830 168870765 173695644 191979396 194021730 202644918 217119555 225161020 239974245 260543466 289492740 303967377 319965660 337741530 388043460 405289836 434239110 479948490 506612295 521086932 607934754 651358665 675483060 868478220 911902131 959896980 1013224590 1215869508 1302717330 1519836885 1823804262 2026449180 2605434660 3039673770 3647608524 4559510655 6079347540 9119021310 18238042620
• Sum of all divisors σ(n): 70331627520
• Sum of proper divisors (its aliquot sum) s(n): 52093584900
• 18238042620 is an abundant number, because the sum of its proper divisors (52093584900) is greater than itself. Its abundance is 33855542280

Bases of 18238042620

• Binary: 10000111111000100100111000111111100₂
• Hexadecimal: 0x43F1271FC
• Base-36: 8DMGJR0

Squares and roots of 18238042620

• 18238042620 squared (18238042620²) is 332626198608936464400
• 18238042620 cubed (18238042620³) is 6066450786758367950599312728000
• The square root of 18238042620 is 135048.2973606109
• The cube root of 18238042620 is 2632.2435818133

Scales and comparisons

• 18,238,042,620 seconds is equal to 579 years, 47 weeks, 3 days, 10 hours, 57 minutes.
• To count from 1 to 18,238,042,620 would take you about one thousand, one hundred fifty-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 18238042620 cubic inches would be around 219.4 feet tall.

Recreational maths with 18238042620

• 18238042620 backwards is 02624083281
• 18238042620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18238042620's digits is 36
• More coming soon!