18004519680

Names of 18004519680

• Cardinal: 18004519680 can be written as Eighteen billion, four million, five hundred nineteen thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.800451968 × 10¹⁰

Factors of 18004519680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 518

Divisors of 18004519680

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 37 40 42 43 48 56 60 64 70 74 80 84 86 96 105 111 112 120 128 129 140 148 160 168 172 185 192 210 215 222 224 240 256 258 259 280 296 301 320 336 344 370 384 420 421 430 444 448 480 516 518 555 560 592 602 640 645 672 688 740 768 777 840 842 860 888 896 903 960 1032 1036 1110 1120 1184 1204 1263 1280 1290 1295 1344 1376 1480 1505 1554 1591 1680 1684 1720 1776 1792 1806 1920 2064 2072 2105 2220 2240 2368 2408 2526 2580 2590 2688 2752 2947 2960 3010 3108 3182 3360 3368 3440 3552 3612 3840 3885 4128 4144 4210 4440 4480 4515 4736 4773 4816 5052 5160 5180 5376 5504 5894 5920 6020 6216 6315 6364 6720 6736 6880 7104 7224 7770 7955 8256 8288 8420 8841 8880 8960 9030 9472 9546 9632 10104 10320 10360 11008 11137 11788 11840 12040 12432 12630 12728 13440 13472 13760 14208 14448 14735 15540 15577 15910 16512 16576 16840 17682 17760 18060 18103 19092 19264 20208 20640 20720 22274 23576 23680 23865 24080 24864 25260 25456 26880 26944 27520 28416 28896 29470 31080 31154 31820 33024 33152 33411 33680 35364 35520 36120 36206 38184 38528 40416 41280 41440 44205 44548 46731 47152 47360 47730 48160 49728 50520 50912 53888 54309 55040 55685 57792 58940 62160 62308 63640 66304 66822 67360 70728 71040 72240 72412 76368 77056 77885 80832 82560 82880 88410 89096 90515 93462 94304 95460 96320 99456 101040 101824 107776 108618 109039 111370 115584 117880 124320 124616 126721 127280 133644 134720 141456 142080 144480 144824 152736 155770 161664 165120 165760 167055 176820 178192 181030 186924 188608 190920 192640 198912 202080 203648 217236 218078 222740 231168 233655 235760 248640 249232 253442 254560 267288 269440 271545 282912 288960 289648 305472 311540 323328 327117 331520 334110 353640 356384 362060 373848 377216 380163 381840 385280 404160 407296 434472 436156 445480 467310 471520 497280 498464 506884 509120 534576 538880 543090 545195 565824 577920 579296 610944 623080 633605 654234 668220 669811 707280 712768 724120 747696 754432 760326 763680 808320 868944 872312 890960 934620 943040 994560 996928 1013768 1018240 1069152 1086180 1090390 1131648 1155840 1158592 1221888 1246160 1267210 1308468 1336440 1339622 1414560 1425536 1448240 1495392 1520652 1527360 1616640 1635585 1737888 1744624 1781920 1869240 1886080 1900815 1993856 2009433 2027536 2036480 2138304 2172360 2180780 2263296 2317184 2492320 2534420 2616936 2672880 2679244 2829120 2851072 2896480 2990784 3041304 3054720 3271170 3349055 3475776 3489248 3563840 3738480 3772160 3801630 3987712 4018866 4055072 4276608 4344720 4361560 4634368 4688677 4984640 5068840 5233872 5345760 5358488 5658240 5792960 5981568 6082608 6109440 6542340 6698110 6951552 6978496 7127680 7476960 7603260 8037732 8110144 8553216 8689440 8723120 9377354 9969280 10047165 10137680 10467744 10691520 10716976 11316480 11585920 11963136 12165216 13084680 13396220 13903104 13956992 14066031 14255360 14953920 15206520 16075464 16220288 17378880 17446240 18754708 19938560 20094330 20275360 20935488 21383040 21433952 23171840 23443385 24330432 26169360 26792440 27913984 28132062 29907840 30413040 32150928 32440576 34757760 34892480 37509416 40188660 40550720 41870976 42766080 42867904 46886770 48660864 52338720 53584880 56264124 59815680 60826080 64301856 69515520 69784960 70330155 75018832 80377320 81101440 83741952 85735808 93773540 97321728 104677440 107169760 112528248 121652160 128603712 139569920 140660310 150037664 160754640 162202880 171471616 187547080 209354880 214339520 225056496 243304320 257207424 281320620 300075328 321509280 375094160 418709760 428679040 450112992 486608640 514414848 562641240 600150656 643018560 750188320 857358080 900225984 1125282480 1200301312 1286037120 1500376640 1800451968 2250564960 2572074240 3000753280 3600903936 4501129920 6001506560 9002259840 18004519680
• Sum of all divisors σ(n): 69226257408
• Sum of proper divisors (its aliquot sum) s(n): 51221737728
• 18004519680 is an abundant number, because the sum of its proper divisors (51221737728) is greater than itself. Its abundance is 33217218048

Bases of 18004519680

• Binary: 10000110001001001110010101100000000₂
• Hexadecimal: 0x431272B00
• Base-36: 89RFCAO

Squares and roots of 18004519680

• 18004519680 squared (18004519680²) is 324162728907507302400
• 18004519680 cubed (18004519680³) is 5836394232137720125804511232000
• The square root of 18004519680 is 134180.9214456363
• The cube root of 18004519680 is 2620.9607260831

Scales and comparisons

• 18,004,519,680 seconds is equal to 572 years, 25 weeks, 2 days, 15 hours, 28 minutes.
• To count from 1 to 18,004,519,680 would take you about one thousand, one hundred forty-four 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 18004519680 cubic inches would be around 218.4 feet tall.

Recreational maths with 18004519680

• 18004519680 backwards is 08691540081
• 18004519680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18004519680's digits is 42
• More coming soon!