18013906560

Names of 18013906560

• Cardinal: 18013906560 can be written as Eighteen billion, thirteen million, nine hundred six thousand, five hundred sixty.

Scientific notation

• Scientific notation: 1.801390656 × 10¹⁰

Factors of 18013906560

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 805

Divisors of 18013906560

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 32 39 40 48 52 60 62 64 65 78 80 93 96 104 120 124 128 130 155 156 160 186 192 195 208 240 248 260 310 312 320 372 384 390 403 416 465 480 496 520 620 624 640 744 751 780 806 832 930 960 961 992 1040 1209 1240 1248 1488 1502 1560 1612 1664 1860 1920 1922 1984 2015 2080 2253 2418 2480 2496 2883 2976 3004 3120 3224 3720 3755 3844 3968 4030 4160 4506 4805 4836 4960 4992 5766 5952 6008 6045 6240 6448 7440 7510 7688 8060 8320 9012 9610 9672 9763 9920 11265 11532 11904 12016 12090 12480 12493 12896 14415 14880 15020 15376 16120 18024 19220 19344 19526 19840 22530 23064 23281 24032 24180 24960 24986 25792 28830 29289 29760 30040 30752 32240 36048 37479 38440 38688 39052 45060 46128 46562 48064 48360 48815 49972 51584 57660 58578 59520 60080 61504 62465 64480 69843 72096 74958 76880 77376 78104 90120 92256 93124 96128 96720 97630 99944 115320 116405 117156 120160 123008 124930 128960 139686 144192 146445 149916 153760 154752 156208 180240 184512 186248 187395 193440 195260 199888 230640 232810 234312 240320 249860 257920 279372 288384 292890 299832 302653 307520 312416 349215 360480 369024 372496 374790 386880 390520 399776 461280 465620 468624 480640 499720 558744 585780 599664 605306 615040 624832 698430 720960 721711 744992 749580 773760 781040 799552 907959 922560 931240 937248 999440 1117488 1171560 1199328 1210612 1249664 1396860 1441920 1443422 1489984 1499160 1513265 1562080 1599104 1815918 1845120 1862480 1874496 1998880 2165133 2234976 2343120 2398656 2421224 2793720 2886844 2979968 2998320 3026530 3124160 3608555 3631836 3724960 3748992 3997760 4330266 4469952 4539795 4686240 4797312 4842448 5587440 5773688 5996640 6053060 6248320 7217110 7263672 7449920 7995520 8660532 8939904 9079590 9372480 9382243 9684896 10825665 11174880 11547376 11993280 12106120 14434220 14527344 14899840 17321064 18159180 18744960 18764486 19369792 21651330 22349760 23094752 23986560 24212240 28146729 28868440 29054688 34642128 36318360 37528972 38739584 43302660 44699520 46189504 46911215 48424480 56293458 57736880 58109376 69284256 72636720 75057944 86605320 92379008 93822430 96848960 112586916 115473760 116218752 138568512 140733645 145273440 150115888 173210640 187644860 193697920 225173832 230947520 277137024 281467290 290546880 300231776 346421280 375289720 450347664 461895040 562934580 581093760 600463552 692842560 750579440 900695328 1125869160 1200927104 1385685120 1501158880 1801390656 2251738320 3002317760 3602781312 4503476640 6004635520 9006953280 18013906560
• Sum of all divisors σ(n): 63980340480
• Sum of proper divisors (its aliquot sum) s(n): 45966433920
• 18013906560 is an abundant number, because the sum of its proper divisors (45966433920) is greater than itself. Its abundance is 27952527360

Bases of 18013906560

• Binary: 10000110001101101100110011010000000₂
• Hexadecimal: 0x431B66680
• Base-36: 89X0J9C

Squares and roots of 18013906560

• 18013906560 squared (18013906560²) is 324500829552411033600
• 18013906560 cubed (18013906560³) is 5845527622199618981983420416000
• The square root of 18013906560 is 134215.8953328555
• The cube root of 18013906560 is 2621.4161370923

Scales and comparisons

• 18,013,906,560 seconds is equal to 572 years, 40 weeks, 6 days, 6 hours, 56 minutes.
• To count from 1 to 18,013,906,560 would take you about one thousand, one hundred forty-five 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 18013906560 cubic inches would be around 218.5 feet tall.

Recreational maths with 18013906560

• 18013906560 backwards is 06560931081
• 18013906560 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18013906560's digits is 39
• More coming soon!