18397789747392

Names of 18397789747392

• Cardinal: 18397789747392 can be written as Eighteen trillion, three hundred ninety-seven billion, seven hundred eighty-nine million, seven hundred forty-seven thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.8397789747392 × 10¹³

Factors of 18397789747392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 386

Divisors of 18397789747392

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 107 121 132 176 192 214 242 263 264 321 352 363 428 484 526 528 642 704 726 789 856 968 1052 1056 1177 1284 1452 1578 1712 1936 2104 2112 2354 2568 2893 2904 3156 3424 3531 3872 4208 4708 5136 5786 5808 6312 6848 7062 7744 8416 8679 9416 10272 11449 11572 11616 12624 12947 14124 16832 17358 18832 20544 22898 23144 23232 25248 25894 28141 28248 31823 34347 34716 37664 38841 45796 46288 50496 51788 56282 56496 63646 68694 69169 69432 75328 77682 84423 91592 92576 95469 103576 112564 112992 125939 127292 137388 138338 138864 155364 168846 183184 185152 190938 207152 207507 225128 225984 251878 254584 274776 276676 277728 309551 310728 337692 366368 377817 381876 414304 415014 450256 503756 509168 549552 553352 555456 619102 621456 675384 732736 755634 760859 763752 828608 830028 900512 928653 1007512 1018336 1099104 1106704 1238204 1242912 1350768 1385329 1511268 1521718 1527504 1660056 1801024 1857306 2015024 2036672 2198208 2213408 2282577 2476408 2485824 2701536 2770658 3011087 3022536 3043436 3055008 3320112 3405061 3714612 4030048 4155987 4426816 4565154 4952816 5403072 5541316 6022174 6045072 6086872 6110016 6640224 6810122 7401083 7429224 8060096 8311974 8369449 9033261 9130308 9905632 10215183 11082632 12044348 12090144 12173744 13280448 13620244 14802166 14858448 16623948 16738898 18066522 18260616 19811264 20430366 22165264 22203249 24088696 24180288 24347488 25108347 27240488 29604332 29716896 33121957 33247896 33477796 36133044 36521232 40860732 44330528 44406498 48177392 48694976 50216694 54480976 59208664 59433792 66243914 66495792 66955592 72266088 73042464 81411913 81721464 88661056 88812996 96354784 99365871 100433388 108961952 118417328 132487828 132991584 133911184 144532176 146084928 162823826 163442928 177625992 192709568 198731742 200866776 217923904 236834656 244235739 264975656 265983168 267822368 289064352 325647652 326885856 355251984 364341527 397463484 401733552 473669312 488471478 529951312 535644736 578128704 651295304 653771712 710503968 728683054 791915881 794926968 803467104 895531043 976942956 1059902624 1093024581 1302590608 1421007936 1457366108 1583831762 1589853936 1606934208 1791062086 1953885912 2119805248 2186049162 2375747643 2605181216 2686593129 2914732216 3167663524 3179707872 3582124172 3907771824 4372098324 4751495286 5210362432 5373186258 5829464432 6335327048 6359415744 7164248344 7815543648 8711074691 8744196648 9502990572 10746372516 11658928864 12670654096 14328496688 15631087296 17422149382 17488393296 19005981144 21492745032 23317857728 25341308192 26133224073 28656993376 34844298764 34976786592 38011962288 42985490064 50682616384 52266448146 57313986752 69688597528 69953573184 76023924576 85970980128 95821821601 104532896292 139377195056 152047849152 171941960256 191643643202 209065792584 278754390112 287465464803 383287286404 418131585168 557508780224 574930929606 766574572808 836263170336 1149861859212 1533149145616 1672526340672 2299723718424 3066298291232 4599447436848 6132596582464 9198894873696 18397789747392
• Sum of all divisors σ(n): 54215865697084
• Sum of proper divisors (its aliquot sum) s(n): 35818075949692
• 18397789747392 is an abundant number, because the sum of its proper divisors (35818075949692) is greater than itself. Its abundance is 17420286202300

Bases of 18397789747392

• Binary: 100001011101110010001101110001111100011000000₂
• Hexadecimal: 0x10BB91B8F8C0
• Base-36: 6IRTSZYDC

Squares and roots of 18397789747392

• 18397789747392 squared (18397789747392²) is 338478667589242191170801664
• 18397789747392 cubed (18397789747392³) is 6227259360284264829916971718648693260288
• The square root of 18397789747392 is 4289264.4762700283
• The cube root of 18397789747392 is 26399.0653113523

Scales and comparisons

• 18,397,789,747,392 seconds is equal to 584,992 years, 41 weeks, 6 days, 8 hours, 3 minutes, 12 seconds.
• To count from 1 to 18,397,789,747,392 would take you about one million, four hundred sixty-two thousand, four hundred eighty-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 18397789747392 cubic inches would be around 2199.9 feet tall.

Recreational maths with 18397789747392

• 18397789747392 backwards is 29374798779381
• The number of decimal digits it has is: 14
• The sum of 18397789747392's digits is 84
• More coming soon!