18281859163920

Names of 18281859163920

• Cardinal: 18281859163920 can be written as Eighteen trillion, two hundred eighty-one billion, eight hundred fifty-nine million, one hundred sixty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.828185916392 × 10¹³

Factors of 18281859163920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 141088

Divisors of 18281859163920

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 43 44 45 48 54 55 60 66 72 80 86 88 90 99 108 110 120 127 129 132 135 144 165 172 176 180 198 215 216 220 240 254 258 264 270 297 330 344 360 381 387 396 430 432 440 473 495 508 516 528 540 594 635 645 660 688 720 762 774 792 860 880 946 990 1016 1032 1080 1143 1161 1188 1270 1290 1320 1397 1419 1485 1524 1548 1584 1720 1892 1905 1935 1980 2032 2064 2160 2286 2322 2365 2376 2540 2580 2640 2794 2838 2970 3048 3096 3429 3440 3784 3810 3870 3960 4191 4257 4572 4644 4730 4752 5080 5160 5461 5588 5676 5715 5805 5940 6096 6192 6858 6985 7095 7568 7620 7740 7920 8382 8514 9144 9288 9460 10160 10320 10922 11176 11352 11430 11610 11880 12573 12771 13716 13970 14190 15240 15480 16383 16764 17028 17145 18288 18576 18920 20955 21285 21844 22352 22704 22860 23220 23760 25146 25542 27305 27432 27940 28380 30480 30960 32766 33528 34056 34290 37719 37840 41910 42570 43688 45720 46440 49149 50292 51084 54610 54864 55880 56760 60071 62865 63855 65532 67056 68112 68580 75438 81915 83820 85140 87376 91440 92880 98298 100584 102168 109220 111760 113520 120142 125730 127710 131064 137160 140897 147447 150876 163830 167640 170280 180213 188595 196596 201168 204336 218440 240284 245745 251460 255420 262128 274320 281794 294894 300355 301752 327660 335280 340560 360426 377190 393192 422691 436880 480568 491490 502920 510840 540639 563588 589788 600710 603504 655320 704485 720852 737235 754380 786384 845382 901065 961136 982980 1005840 1021680 1081278 1127176 1179576 1201420 1268073 1310640 1408970 1441704 1474470 1508760 1549867 1621917 1690764 1802130 1965960 2113455 2162556 2254352 2359152 2402840 2536146 2703195 2817940 2883408 2948940 3017520 3099734 3243834 3381528 3604260 3804219 3931920 4226910 4325112 4649601 4805680 5072292 5406390 5635880 5897880 6058571 6199468 6340365 6487668 6763056 7208520 7608438 7749335 8109585 8453820 8650224 9299202 10144584 10812780 11271760 11795760 12117142 12398936 12680730 12975336 13948803 14417040 15216876 15498670 16219170 16907640 17893919 18175713 18598404 19021095 20289168 21625560 23248005 24234284 24797872 25361460 25950672 27897606 30292855 30433752 30997340 32438340 33815280 35787838 36351426 37196808 38042190 41846409 43251120 46496010 48468568 50722920 53681757 54527139 55795212 60585710 60867504 61994680 64876680 66644281 69744015 71575676 72702852 74393616 76084380 83692818 89469595 90878565 92992020 96937136 101445840 107363514 109054278 111590424 121171420 123989360 129753360 133288562 139488030 143151352 145405704 152168760 161045271 163581417 167385636 178939190 181757130 185984040 196833109 199932843 209232045 214727028 218108556 223180848 242342840 266577124 268408785 272635695 278976060 286302704 290811408 304337520 322090542 327162834 333221405 334771272 357878380 363514260 371968080 393666218 399865686 418464090 429454056 436217112 483135813 484685680 533154248 536817570 545271390 557952120 590499327 599798529 644181084 654325668 666442810 669542544 715756760 727028520 769438517 787332436 799731372 805226355 817907085 836928180 858908112 872434224 966271626 984165545 999664215 1066308496 1073635140 1090542780 1115904240 1180998654 1199597058 1288362168 1308651336 1332885620 1431513520 1454057040 1538877034 1574664872 1599462744 1610452710 1635814170 1673856360 1771497981 1799395587 1932543252 1968331090 1999328430 2147270280 2181085560 2308315551 2361997308 2399194116 2415679065 2576724336 2617302672 2665771240 2952496635 2998992645 3077754068 3149329744 3198925488 3220905420 3271628340 3347712720 3542995962 3598791174 3847192585 3865086504 3936662180 3998656860 4294540560 4362171120 4616631102 4723994616 4798388232 4831358130 5314493943 5331542480 5904993270 5997985290 6155508136 6441810840 6543256680 6924946653 7085991924 7197582348 7694385170 7730173008 7873324360 7997313720 8463823687 8857489905 8996977935 9233262204 9447989232 9596776464 9662716260 10628987886 11541577755 11809986540 11995970580 12311016272 12883621680 13086513360 13849893306 14171983848 14395164696 15388770340 15746648720 15994627440 16927647374 17714979810 17993955870 18466524408 19325432520 20774839959 21257975772 23083155510 23619973080 23991941160 25391471061 26572469715 27699786612 28343967696 28790329392 30777540680 33855294748 34624733265 35429959620 35987911740 36933048816 38650865040 41549679918 42319118435 42515951544 46166311020 47239946160 47983882320 50782942122 53144939430 55399573224 61555081360 67710589496 69249466530 70859919240 71975823480 76174413183 83099359836 84638236870 85031903088 92332622040 101565884244 103874199795 106289878860 110799146448 126957355305 135421178992 138498933060 141719838480 143951646960 152348826366 166198719672 169276473740 184665244080 203131768488 207748399590 212579757720 228523239549 253914710610 276997866120 304697652732 332397439344 338552947480 380872065915 406263536976 415496799180 425159515440 457046479098 507829421220 553995732240 609395305464 677105894960 761744131830 830993598360 914092958196 1015658842440 1142616197745 1218790610928 1523488263660 1661987196720 1828185916392 2031317684880 2285232395490 3046976527320 3656371832784 4570464790980 6093953054640 9140929581960 18281859163920
• Sum of all divisors σ(n): 70847031214080
• Sum of proper divisors (its aliquot sum) s(n): 52565172050160
• 18281859163920 is an abundant number, because the sum of its proper divisors (52565172050160) is greater than itself. Its abundance is 34283312886240

Bases of 18281859163920

• Binary: 100001010000010010011101110001010011100010000₂
• Hexadecimal: 0x10A093B8A710
• Base-36: 6HAKIX7O0

Squares and roots of 18281859163920

• 18281859163920 squared (18281859163920²) is 334226374489405681429766400
• 18281859163920 cubed (18281859163920³) is 6110279507282898968001287027704908288000
• The square root of 18281859163920 is 4275729.0798084951
• The cube root of 18281859163920 is 26343.4986733921

Scales and comparisons

• 18,281,859,163,920 seconds is equal to 581,306 years, 29 weeks, 5 days, 4 hours, 12 minutes.
• To count from 1 to 18,281,859,163,920 would take you about one million, four hundred fifty-three thousand, two hundred sixty-six 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 18281859163920 cubic inches would be around 2195.3 feet tall.

Recreational maths with 18281859163920

• 18281859163920 backwards is 02936195818281
• The number of decimal digits it has is: 14
• The sum of 18281859163920's digits is 63
• More coming soon!