18123742560

Names of 18123742560

• Cardinal: 18123742560 can be written as Eighteen billion, one hundred twenty-three million, seven hundred forty-two thousand, five hundred sixty.

Scientific notation

• Scientific notation: 1.812374256 × 10¹⁰

Factors of 18123742560

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 551

Divisors of 18123742560

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 29 30 32 33 35 37 40 42 44 48 55 56 58 60 66 70 74 77 80 84 87 88 96 105 110 111 112 116 120 132 140 145 148 154 160 165 168 174 176 185 203 210 220 222 224 231 232 240 259 264 280 290 296 308 319 330 336 348 352 370 385 406 407 420 435 440 444 457 462 464 480 518 528 555 560 580 592 609 616 638 660 672 696 740 770 777 812 814 840 870 880 888 914 924 928 957 1015 1036 1056 1073 1110 1120 1155 1160 1184 1218 1221 1232 1276 1295 1320 1371 1392 1480 1540 1554 1595 1624 1628 1680 1740 1760 1776 1828 1848 1914 2030 2035 2072 2146 2220 2233 2285 2310 2320 2436 2442 2464 2552 2590 2640 2742 2784 2849 2960 3045 3080 3108 3190 3199 3219 3248 3256 3360 3480 3552 3656 3696 3828 3885 4060 4070 4144 4292 4440 4466 4570 4620 4640 4785 4872 4884 5027 5104 5180 5280 5365 5484 5698 5920 6090 6105 6160 6216 6380 6398 6438 6496 6512 6699 6855 6960 7312 7392 7511 7656 7770 8120 8140 8288 8547 8584 8880 8932 9140 9240 9570 9597 9744 9768 10054 10208 10360 10730 10968 11165 11396 11803 12180 12210 12320 12432 12760 12796 12876 13024 13253 13398 13710 13920 14245 14624 15022 15081 15312 15540 15995 16095 16240 16280 16909 17094 17168 17760 17864 18280 18480 19140 19194 19488 19536 20108 20720 21460 21936 22330 22533 22792 23606 24360 24420 24864 25135 25520 25592 25752 26506 26796 27420 28490 30044 30162 30624 31080 31990 32190 32480 32560 33495 33818 34188 34336 35189 35409 35728 36560 36960 37555 38280 38388 39072 39759 40216 41440 42735 42920 43872 44660 45066 45584 47212 47985 48720 48840 50270 50727 51040 51184 51504 53012 53592 54840 56980 59015 60088 60324 62160 63980 64380 65120 66265 66990 67636 68376 70378 70818 71456 73120 75110 75405 76560 76776 79518 80432 82621 84545 85470 85840 89320 90132 91168 92771 94424 95970 97440 97680 100540 101454 102368 103008 105567 106024 107184 109680 112665 113960 118030 118363 120176 120648 124320 127960 128760 132530 133980 135272 136752 140756 141636 145783 150220 150810 153120 153552 159036 160864 165242 169090 170940 171680 175945 177045 178640 180264 185542 185999 188848 191940 195360 198795 201080 202908 211134 212048 214368 219360 225330 227920 236060 236726 240352 241296 247863 253635 255920 257520 265060 267960 270544 273504 278313 281512 283272 291566 300440 301620 307104 318072 330484 338180 341880 351890 354090 355089 357280 360528 371084 371998 377696 383880 397590 402160 405816 413105 422268 424096 437349 450660 455840 463855 472120 473452 482592 490361 495726 507270 511840 515040 527835 530120 535920 541088 556626 557997 563024 566544 583132 591815 600880 603240 636144 660968 676360 683760 703780 708180 710178 721056 728915 742168 743996 767760 795180 804320 811632 826210 844536 874698 901320 927710 929995 944240 946904 980722 991452 1014540 1020481 1055670 1060240 1071840 1113252 1115994 1126048 1133088 1166264 1183630 1201760 1206480 1239315 1272288 1301993 1321936 1352720 1367520 1391565 1407560 1416360 1420356 1457830 1471083 1484336 1487992 1535520 1590360 1623264 1652420 1689072 1749396 1775445 1802640 1855420 1859990 1888480 1893808 1961444 1982904 2029080 2040962 2111340 2120480 2186745 2226504 2231988 2332528 2367260 2412960 2451805 2478630 2603986 2643872 2705440 2783130 2789985 2815120 2832720 2840712 2915660 2942166 2968672 2975984 3061443 3180720 3304840 3378144 3432527 3498792 3550890 3605280 3710840 3719980 3787616 3905979 3922888 3965808 4058160 4081924 4222680 4373490 4453008 4463976 4665056 4734520 4903610 4957260 5102405 5207972 5393971 5566260 5579970 5630240 5665440 5681424 5831320 5884332 5951968 6122886 6361440 6509965 6609680 6865054 6997584 7101780 7355415 7421680 7439960 7811958 7845776 7931616 8116320 8163848 8445360 8746980 8906016 8927952 9469040 9807220 9914520 10204810 10297581 10415944 10787942 11132520 11159940 11362848 11662640 11768664 12245772 13019930 13219360 13730108 13995168 14203560 14710830 14843360 14879920 15307215 15623916 15691552 16181913 16327696 16890720 17162635 17493960 17855904 18938080 19529895 19614440 19829040 20409620 20595162 20831888 21575884 22265040 22319880 23325280 23537328 24491544 26039860 26969855 27460216 28407120 29421660 29759840 30614430 31247832 32363826 32655392 34325270 34987920 37757797 39059790 39228880 39658080 40819240 41190324 41663776 43151768 44530080 44639760 47074656 48983088 51487905 52079720 53939710 54920432 56814240 58843320 61228860 62495664 64727652 68650540 69975840 75515594 78119580 78457760 80909565 81638480 82380648 86303536 89279520 97966176 102975810 104159440 107879420 109840864 113273391 117686640 122457720 124991328 129455304 137301080 151031188 156239160 161819130 163276960 164761296 172607072 188788985 205951620 208318880 215758840 226546782 235373280 244915440 258910608 274602160 302062376 312478320 323638260 329522592 377577970 411903240 431517680 453093564 489830880 517821216 549204320 566366955 604124752 624956640 647276520 755155940 823806480 863035360 906187128 1132733910 1208249504 1294553040 1510311880 1647612960 1812374256 2265467820 2589106080 3020623760 3624748512 4530935640 6041247520 9061871280 18123742560
• Sum of all divisors σ(n): 75786762240
• Sum of proper divisors (its aliquot sum) s(n): 57663019680
• 18123742560 is an abundant number, because the sum of its proper divisors (57663019680) is greater than itself. Its abundance is 39539277120

Bases of 18123742560

• Binary: 10000111000010000100101110101100000₂
• Hexadecimal: 0x438425D60
• Base-36: 8BQEP9C

Squares and roots of 18123742560

• 18123742560 squared (18123742560²) is 328470044381155353600
• 18123742560 cubed (18123742560³) is 5953106523035834144012169216000
• The square root of 18123742560 is 134624.4500824423
• The cube root of 18123742560 is 2626.7331893563

Scales and comparisons

• 18,123,742,560 seconds is equal to 576 years, 14 weeks, 3 days, 12 hours, 56 minutes.
• To count from 1 to 18,123,742,560 would take you about one thousand, one hundred fifty-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 18123742560 cubic inches would be around 218.9 feet tall.

Recreational maths with 18123742560

• 18123742560 backwards is 06524732181
• The number of decimal digits it has is: 11
• The sum of 18123742560's digits is 39
• More coming soon!