18138409186027520

Names of 18138409186027520

• Cardinal: 18138409186027520 can be written as Eighteen quadrillion, one hundred thirty-eight trillion, four hundred nine billion, one hundred eighty-six million, twenty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.813840918602752 × 10¹⁶

Factors of 18138409186027520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 625

Divisors of 18138409186027520

• Number of divisors d(n): 1296
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 32 38 40 52 64 65 76 80 95 104 128 130 152 160 169 190 208 233 247 256 260 304 320 338 353 361 380 416 466 494 512 520 608 640 676 706 722 760 832 845 932 988 1024 1040 1165 1216 1235 1280 1352 1412 1444 1520 1664 1690 1765 1805 1864 1976 2048 2080 2330 2432 2470 2560 2704 2824 2888 3029 3040 3211 3328 3380 3530 3610 3728 3952 4160 4427 4589 4660 4693 4864 4940 5120 5408 5648 5776 6058 6080 6422 6656 6707 6760 7060 7220 7456 7904 8320 8854 9178 9320 9386 9728 9880 10240 10816 11296 11552 12116 12160 12844 13312 13414 13520 14120 14440 14912 15145 15808 16055 16640 17708 18356 18640 18772 19456 19760 21632 22135 22592 22945 23104 23465 24232 24320 25688 26624 26828 27040 28240 28880 29824 30290 31616 32110 33280 33535 35416 36712 37280 37544 38912 39377 39520 43264 44270 45184 45890 46208 46930 48464 48640 51376 53656 54080 56480 57551 57760 59648 59657 60580 61009 63232 64220 66560 67070 70832 73424 74560 75088 78754 79040 82249 84113 86528 87191 88540 90368 91780 92416 93860 96928 97280 102752 107312 108160 112960 115102 115520 119296 119314 121160 122018 124609 126464 127433 128440 133120 134140 141664 146848 149120 150176 157508 158080 164498 168226 173056 174382 177080 180736 183560 184832 187720 193856 194560 196885 205504 214624 216320 225920 230204 231040 238592 238628 242320 244036 249218 252928 254866 256880 268280 283328 287755 293696 298240 298285 300352 305045 315016 316160 328996 336452 346112 348764 354160 361472 367120 369664 375440 387712 393770 411008 411245 420565 429248 432640 435955 451840 460408 462080 477184 477256 484640 488072 498436 505856 509732 513760 536560 566656 575510 587392 596480 596570 600704 610090 623045 630032 632320 637165 657992 672904 697528 708320 722944 734240 739328 748163 750880 775424 787540 822016 822490 841130 858496 865280 871910 903680 920816 924160 954512 969280 976144 996872 1019464 1027520 1069237 1073120 1093469 1133312 1133483 1151020 1174784 1192960 1193140 1201408 1220180 1246090 1260064 1264640 1274330 1315984 1345808 1395056 1416640 1468480 1496326 1501760 1550848 1562731 1575080 1619917 1644032 1644980 1656629 1682260 1716992 1730560 1743820 1807360 1841632 1848320 1909024 1938560 1952288 1993744 2038928 2055040 2138474 2146240 2186938 2266624 2266966 2302040 2349568 2367571 2385920 2386280 2402816 2440360 2492180 2520128 2529280 2548660 2631968 2691616 2790112 2833280 2936960 2992652 3003520 3101696 3125462 3150160 3239834 3288064 3289960 3313258 3364520 3433984 3487640 3614720 3683264 3696640 3740815 3818048 3877120 3904576 3987488 4077856 4110080 4276948 4292480 4373876 4533248 4533932 4604080 4699136 4735142 4772560 4805632 4880720 4984360 5040256 5097320 5263936 5346185 5383232 5467345 5580224 5666560 5667415 5873920 5985304 6007040 6203392 6250924 6300320 6479668 6576128 6579920 6626516 6729040 6867968 6975280 7366528 7481630 7636096 7754240 7809152 7813655 7974976 8099585 8155712 8220160 8283145 8553896 8584960 8747752 9066496 9067864 9208160 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59665819690880 69763112253952 70853160882920 73434855004160 77847249725440 87203890317440 95465311505408 107327865006080 113365057412672 119331639381760 139526224507904 141706321765840 174407780634880 190930623010816 226730114825344 238663278763520 279052449015808 283412643531680 348815561269760 453460229650688 477326557527040 566825287063360 697631122539520 906920459301376 954653115054080 1133650574126720 1395262245079040 1813840918602752 2267301148253440 3627681837205504 4534602296506880 9069204593013760 18138409186027520
• Sum of all divisors σ(n): 50093170748695620
• Sum of proper divisors (its aliquot sum) s(n): 31954761562668100
• 18138409186027520 is an abundant number, because the sum of its proper divisors (31954761562668100) is greater than itself. Its abundance is 13816352376640580

Bases of 18138409186027520

• Binary: 1000000011100001100100101111100010100101110100000000000₂
• Hexadecimal: 0x4070C97C52E800
• Base-36: 4YLJ259IHVK

Squares and roots of 18138409186027520

• 18138409186027520 squared (18138409186027520²) is 329001887799767520637598197350400
• 18138409186027520 cubed (18138409186027520³) is 5967570863887698656949705321965482923165483008000
• The square root of 18138409186027520 is 134678911.4376394119
• The cube root of 18138409186027520 is 262744.1558975289

Scales and comparisons

• 18,138,409,186,027,520 seconds is equal to 576,745,306 years, 17 weeks, 1 day, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 18,138,409,186,027,520 would take you about one billion, seven hundred thirty million, two hundred thirty-five thousand, nine hundred eighteen 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 18138409186027520 cubic inches would be around 21895.3 feet tall.

Recreational maths with 18138409186027520

• 18138409186027520 backwards is 02572068190483181
• 18138409186027520 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18138409186027520's digits is 65
• More coming soon!