18404923680

Names of 18404923680

• Cardinal: 18404923680 can be written as Eighteen billion, four hundred four million, nine hundred twenty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.840492368 × 10¹⁰

Factors of 18404923680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 9965

Divisors of 18404923680

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 27 30 32 33 36 39 40 44 45 48 52 54 55 60 65 66 72 78 80 81 88 90 96 99 104 108 110 117 120 130 132 135 143 144 156 160 162 165 176 180 195 198 208 216 220 234 240 260 264 270 286 288 297 312 324 330 351 352 360 390 396 405 416 429 432 440 468 480 495 520 528 540 572 585 594 624 648 660 702 715 720 780 792 810 858 864 880 891 936 990 1040 1053 1056 1080 1144 1170 1188 1248 1287 1296 1320 1404 1430 1440 1485 1560 1584 1620 1716 1755 1760 1782 1872 1980 2080 2106 2145 2160 2288 2340 2376 2574 2592 2640 2808 2860 2970 3120 3168 3240 3432 3510 3564 3744 3861 3960 4212 4290 4320 4455 4576 4680 4752 5148 5265 5280 5616 5720 5940 6240 6435 6480 6864 7020 7128 7722 7920 8424 8580 8910 9360 9504 9931 10296 10530 11232 11440 11583 11880 12870 12960 13728 14040 14256 15444 15840 16848 17160 17820 18720 19305 19862 20592 21060 22880 23166 23760 25740 28080 28512 29793 30888 33696 34320 35640 38610 39724 41184 42120 46332 47520 49655 51480 56160 57915 59586 61776 68640 71280 77220 79448 84240 89379 92664 99310 102960 109241 115830 119172 123552 129103 142560 148965 154440 158896 168480 178758 185328 198620 205920 218482 231660 238344 258206 268137 297930 308880 317792 327723 357516 370656 387309 397240 436964 446895 463320 476688 516412 536274 546205 595860 617760 645515 655446 715032 774618 794480 804411 873928 893790 926640 953376 983169 1032824 1072548 1092410 1161927 1191720 1291030 1310892 1340685 1420133 1430064 1549236 1588960 1608822 1638615 1747856 1787580 1853280 1936545 1966338 2065648 2145096 2184820 2323854 2383440 2582060 2621784 2681370 2840266 2860128 2949507 3098472 3217644 3277230 3485781 3495712 3575160 3873090 3932676 4022055 4131296 4260399 4290192 4369640 4647708 4766880 4915845 5164120 5243568 5362740 5680532 5809635 5899014 6196944 6435288 6554460 6971562 7100665 7150320 7746180 7865352 8044110 8520798 8580384 8739280 8848521 9295416 9831690 10328240 10457343 10487136 10725480 11361064 11619270 11798028 12393888 12781197 12870576 13108920 13943124 14201330 14300640 14747535 15492360 15730704 16088220 17041596 17428905 17478560 17697042 18590832 19663380 20656480 20914686 21301995 21450960 22722128 23238540 23596056 25562394 25741152 26217840 27886248 28402660 29495070 30984720 31461408 32176440 34083192 34857810 35394084 37181664 38343591 39326760 41829372 42603990 42901920 44242605 45444256 46477080 47192112 51124788 52286715 52435680 55772496 56805320 58990140 61969440 63905985 64352880 68166384 69715620 70788168 76687182 78653520 83658744 85207980 88485210 92954160 94384224 102249576 104573430 111544992 113610640 115030773 117980280 127811970 128705760 136332768 139431240 141576336 153374364 157307040 167317488 170415960 176970420 185908320 191717955 204499152 209146860 227221280 230061546 235960560 255623940 278862480 283152672 306748728 334634976 340831920 353940840 383435910 408998304 418293720 460123092 471921120 511247880 557724960 575153865 613497456 681663840 707881680 766871820 836587440 920246184 1022495760 1150307730 1226994912 1415763360 1533743640 1673174880 1840492368 2044991520 2300615460 3067487280 3680984736 4601230920 6134974560 9202461840 18404923680
• Sum of all divisors σ(n): 76317329088
• Sum of proper divisors (its aliquot sum) s(n): 57912405408
• 18404923680 is an abundant number, because the sum of its proper divisors (57912405408) is greater than itself. Its abundance is 39507481728

Bases of 18404923680

• Binary: 10001001001000001001101100100100000₂
• Hexadecimal: 0x44904D920
• Base-36: 8GDTE00

Squares and roots of 18404923680

• 18404923680 squared (18404923680²) is 338741215666624742400
• 18404923680 cubed (18404923680³) is 6234506221614648707071660032000
• The square root of 18404923680 is 135664.7473738111
• The cube root of 18404923680 is 2640.2477040307

Scales and comparisons

• 18,404,923,680 seconds is equal to 585 years, 11 weeks, 2 days, 22 hours, 48 minutes.
• To count from 1 to 18,404,923,680 would take you about one thousand, one hundred seventy 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 18404923680 cubic inches would be around 220 feet tall.

Recreational maths with 18404923680

• 18404923680 backwards is 08632940481
• 18404923680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18404923680's digits is 45
• More coming soon!