18955583459840

Names of 18955583459840

• Cardinal: 18955583459840 can be written as Eighteen trillion, nine hundred fifty-five billion, five hundred eighty-three million, four hundred fifty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.895558345984 × 10¹³

Factors of 18955583459840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 55

Divisors of 18955583459840

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 29 32 38 40 58 64 76 80 95 116 128 145 152 160 190 232 256 290 304 320 361 380 464 512 551 580 608 640 722 760 841 928 1102 1160 1216 1280 1444 1520 1682 1805 1856 2204 2320 2432 2560 2755 2888 3040 3364 3610 3712 4205 4408 4640 4864 5510 5776 6080 6728 7220 7424 8410 8816 9280 9728 10469 11020 11552 12160 13456 14440 14848 15979 16820 17632 18560 20938 22040 23104 24320 24389 26912 28880 31958 33640 35264 37120 41876 44080 46208 48640 48778 52345 53824 57760 63916 67280 70528 74240 79895 83752 88160 92416 97556 104690 107648 115520 121945 127832 134560 141056 159790 167504 176320 184832 195112 209380 215296 231040 243890 255664 269120 282112 303601 319580 335008 352640 390224 418760 430592 462080 463391 487780 511328 538240 607202 639160 670016 705280 707281 780448 837520 924160 926782 975560 1022656 1076480 1214404 1278320 1340032 1410560 1414562 1518005 1560896 1675040 1853564 1951120 2045312 2152960 2316955 2428808 2556640 2680064 2829124 3036010 3121792 3350080 3536405 3707128 3902240 4090624 4633910 4857616 5113280 5360128 5658248 6072020 6243584 6700160 7072810 7414256 7804480 8181248 8804429 9267820 9715232 10226560 11316496 12144040 12487168 13400320 13438339 14145620 14828512 15608960 17608858 18535640 19430464 20453120 20511149 22632992 24288080 26800640 26876678 28291240 29657024 31217920 35217716 37071280 38860928 40906240 41022298 44022145 45265984 48576160 53753356 56582480 59314048 62435840 67191695 70435432 74142560 77721856 82044596 88044290 90531968 97152320 102555745 107506712 113164960 118628096 134383390 140870864 148285120 155443712 164089192 176088580 181063936 194304640 205111490 215013424 226329920 237256192 255328441 268766780 281741728 296570240 328178384 352177160 362127872 388609280 389711831 410222980 430026848 452659840 510656882 537533560 563483456 593140480 656356768 704354320 777218560 779423662 820445960 860053696 905319680 1021313764 1075067120 1126966912 1186280960 1276642205 1312713536 1408708640 1558847324 1640891920 1720107392 1810639360 1948559155 2042627528 2150134240 2253933824 2553284410 2625427072 2817417280 3117694648 3281783840 3440214784 3897118310 4085255056 4300268480 4507867648 5106568820 5250854144 5634834560 6235389296 6563567680 6880429568 7404524789 7794236620 8170510112 8600536960 10213137640 10501708288 11269669120 12470778592 13127135360 14809049578 15588473240 16341020224 17201073920 20426275280 22539338240 24941557184 26254270720 29618099156 31176946480 32682040448 34402147840 37022623945 40852550560 49883114368 52508541440 59236198312 62353892960 65364080896 74045247890 81705101120 99766228736 118472396624 124707785920 130728161792 148090495780 163410202240 199532457472 236944793248 249415571840 296180991560 326820404480 473889586496 498831143680 592361983120 653640808960 947779172992 997662287360 1184723966240 1895558345984 2369447932480 3791116691968 4738895864960 9477791729920 18955583459840
• Sum of all divisors σ(n): 49680026072820
• Sum of proper divisors (its aliquot sum) s(n): 30724442612980
• 18955583459840 is an abundant number, because the sum of its proper divisors (30724442612980) is greater than itself. Its abundance is 11768859153140

Bases of 18955583459840

• Binary: 100010011110101110000110100011001001000000000₂
• Hexadecimal: 0x113D70D19200
• Base-36: 6PW2OZ1FK

Squares and roots of 18955583459840

• 18955583459840 squared (18955583459840²) is 359314144302959784892825600
• 18955583459840 cubed (18955583459840³) is 6811009250635747464471129250441723904000
• The square root of 18955583459840 is 4353801.0358582075
• The cube root of 18955583459840 is 26663.2070757683

Scales and comparisons

• 18,955,583,459,840 seconds is equal to 602,728 years, 47 weeks, 6 days, 1 hour, 57 minutes, 20 seconds.
• To count from 1 to 18,955,583,459,840 would take you about one million, five hundred six thousand, eight hundred twenty-two 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 18955583459840 cubic inches would be around 2221.9 feet tall.

Recreational maths with 18955583459840

• 18955583459840 backwards is 04895438555981
• The number of decimal digits it has is: 14
• The sum of 18955583459840's digits is 74
• More coming soon!