18315981295040

Names of 18315981295040

• Cardinal: 18315981295040 can be written as Eighteen trillion, three hundred fifteen billion, nine hundred eighty-one million, two hundred ninety-five thousand and forty.

Scientific notation

• Scientific notation: 1.831598129504 × 10¹³

Factors of 18315981295040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 180

Divisors of 18315981295040

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 64 65 80 88 104 110 121 130 143 149 160 176 208 220 242 260 286 298 320 352 416 440 484 520 572 596 605 704 715 745 832 880 968 1040 1144 1192 1210 1331 1430 1490 1573 1639 1760 1936 1937 2080 2288 2384 2420 2662 2860 2980 3146 3278 3520 3872 3874 4160 4576 4768 4840 5324 5720 5960 6292 6556 6655 7744 7748 7865 8195 9152 9536 9680 9685 10648 11440 11920 12584 13112 13310 15496 15730 16390 17303 18029 19360 19370 21296 21307 22201 22880 23840 25168 26224 26620 30992 31460 32780 34606 36058 38720 38740 42592 42614 44402 45760 47680 50336 52448 53240 61984 62920 65560 69212 72116 77480 85184 85228 86515 88804 90145 100672 104896 106480 106535 111005 123968 125840 131120 138424 144232 154960 170456 173030 177608 180290 198319 212960 213070 222010 234377 244211 251680 262240 276848 288464 288613 309920 340912 346060 355216 360580 396638 425920 426140 444020 468754 488422 503360 524480 553696 576928 577226 619840 681824 692120 710432 721160 793276 852280 888040 937508 976844 991595 1107392 1153856 1154452 1171885 1221055 1363648 1384240 1420864 1442320 1443065 1586552 1704560 1776080 1875016 1953688 1983190 2308904 2343770 2442110 2578147 2686321 2768480 2884640 2886130 3173104 3174743 3307949 3409120 3552160 3750032 3907376 3966380 4617808 4687540 4884220 5156294 5372642 5536960 5769280 5772260 6346208 6349486 6615898 6818240 7104320 7500064 7814752 7932760 9235616 9375080 9768440 10312588 10745284 11544520 12692416 12698972 12890735 13231796 13431605 15000128 15629504 15865520 15873715 16539745 18471232 18750160 19536880 20625176 21490568 23089040 25397944 25781470 26463592 26863210 29549531 31731040 31747430 33079490 34922173 36387439 37500320 39073760 41250352 42981136 43003337 46178080 50795888 51562940 52927184 53726420 59099062 63462080 63494860 66158980 69844346 72774878 75000640 78147520 82500704 85962272 86006674 92356160 101591776 103125880 105854368 107452840 118198124 126989720 132317960 139688692 145549756 147747655 165001408 171924544 172013348 174610865 181937195 203183552 206251760 211708736 214905680 215016685 236396248 253979440 264635920 279377384 291099512 295495310 344026696 349221730 363874390 384143903 400261829 412503520 429811360 430033370 472792496 473036707 507958880 529271840 558754768 582199024 590990620 688053392 698443460 727748780 768287806 800523658 825007040 859622720 860066740 945584992 946073414 1015917760 1058543680 1117509536 1164398048 1181981240 1376106784 1396886920 1455497560 1536575612 1601047316 1720133480 1891169984 1892146828 1920719515 2001309145 2235019072 2328796096 2363962480 2365183535 2752213568 2793773840 2910995120 3073151224 3202094632 3440266960 3784293656 3841439030 4002618290 4402880119 4727924960 4730367070 5203403777 5587547680 5821990240 6146302448 6404189264 6880533920 7568587312 7682878060 8005236580 8805760238 9455849920 9460734140 10406807554 11175095360 11643980480 12292604896 12808378528 13761067840 15137174624 15365756120 16010473160 17611520476 18921468280 20813615108 22014400595 24585209792 25616757056 26017018885 30274349248 30731512240 32020946320 35223040952 37842936560 41627230216 44028801190 52034037770 57237441547 61463024480 64041892640 70446081904 75685873120 83254460432 88057602380 104068075540 114474883094 122926048960 128083785280 140892163808 151371746240 166508920864 176115204760 208136151080 228949766188 281784327616 286187207735 333017841728 352230409520 416272302160 457899532376 572374415470 704460819040 832544604320 915799064752 1144748830940 1408921638080 1665089208640 1831598129504 2289497661880 3663196259008 4578995323760 9157990647520 18315981295040
• Sum of all divisors σ(n): 52012465545600
• Sum of proper divisors (its aliquot sum) s(n): 33696484250560
• 18315981295040 is an abundant number, because the sum of its proper divisors (33696484250560) is greater than itself. Its abundance is 15380502955520

Bases of 18315981295040

• Binary: 100001010100010000101100011110000110111000000₂
• Hexadecimal: 0x10A8858F0DC0
• Base-36: 6HQ8UCWJK

Squares and roots of 18315981295040

• 18315981295040 squared (18315981295040²) is 335475170800255155528601600
• 18315981295040 cubed (18315981295040³) is 6144556953327822616721192949328216064000
• The square root of 18315981295040 is 4279717.4316816757
• The cube root of 18315981295040 is 26359.8780733099

Scales and comparisons

• 18,315,981,295,040 seconds is equal to 582,391 years, 28 weeks, 4 days, 5 hours, 57 minutes, 20 seconds.
• To count from 1 to 18,315,981,295,040 would take you about one million, four hundred fifty-five thousand, nine hundred seventy-eight 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 18315981295040 cubic inches would be around 2196.7 feet tall.

Recreational maths with 18315981295040

• 18315981295040 backwards is 04059218951381
• The number of decimal digits it has is: 14
• The sum of 18315981295040's digits is 56
• More coming soon!