18681291506332

Names of 18681291506332

• Cardinal: 18681291506332 can be written as Eighteen trillion, six hundred eighty-one billion, two hundred ninety-one million, five hundred six thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 1.8681291506332 × 10¹³

Factors of 18681291506332

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 230

Divisors of 18681291506332

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 13 14 26 28 41 49 52 82 91 98 164 167 169 182 196 287 334 338 343 364 533 574 637 668 676 686 1066 1148 1169 1183 1274 1372 1681 2009 2132 2171 2338 2366 2401 2548 3362 3731 4018 4342 4459 4676 4732 4802 6724 6847 6929 7462 8036 8183 8281 8684 8918 9604 11767 13694 13858 14063 14924 15197 16366 16562 17836 21853 23534 26117 27388 27716 28126 28223 30394 31213 32732 33124 43706 47068 47929 48503 52234 56252 56446 57281 57967 60788 62426 68921 82369 87412 89011 95858 97006 98441 104468 106379 112892 114562 115934 124852 137842 152971 164738 178022 182819 191716 194012 196882 197561 212758 229124 231868 275684 280727 284089 305942 329476 335503 339521 356044 365638 393764 395122 400967 405769 425516 482447 561454 568178 576583 611884 623077 671006 679042 731276 744653 790244 801934 811538 895973 964894 1070797 1122908 1136356 1153166 1157143 1246154 1279733 1342012 1358084 1382927 1489306 1603868 1623076 1791946 1929788 1965089 1988623 2141594 2306332 2314286 2348521 2376647 2492308 2559466 2765854 2978612 3377129 3583892 3649451 3930178 3977246 4036081 4283188 4361539 4628572 4697042 4753294 5118932 5212571 5531708 6271811 6754258 7298902 7495579 7860356 7954492 8072162 8100001 8723078 9394084 9506588 9680489 10425142 11509807 11647649 12543622 13508516 13755623 13920361 14597804 14991158 16144324 16200002 16439647 16636529 17446156 19360978 20850284 23019614 23295298 23639903 25087244 25546157 27511246 27840722 29982316 30530773 32400004 32879294 33273058 38721956 43902677 46039228 46590596 47279806 47442863 51092314 52469053 55022492 55681444 56700007 61061546 65758588 66546116 67763423 80568649 81533543 87805354 94559612 94885726 96289361 97442527 102184628 104938106 113400014 122123092 135526846 149627491 161137298 163067086 165479321 175610708 178823099 189771452 192578722 194885054 209876212 213715411 226800028 271053692 299254982 307318739 322274596 326134172 330958642 332100041 357646198 385157444 389770108 396900049 427430822 563980543 570734801 598509964 614637478 661917284 664200082 674025527 682097689 715292396 793800098 854861644 1047392437 1127961086 1141469602 1229274956 1251761693 1328400164 1348051054 1364195378 1587600196 1945157383 2094784874 2151231173 2255922172 2282939204 2324700287 2503523386 2696102108 2728390756 2778300343 3890314766 3947863801 3995143607 4189569748 4302462346 4649400574 5007046772 5556600686 7331747059 7780629532 7895727602 7990287214 8604924692 8762331851 9298801148 11113201372 13616101681 14663494118 15791455204 15980574428 16272902009 17524663702 27232203362 27635046607 27966005249 29326988236 32545804018 35049327404 51322229413 54464406724 55270093214 55932010498 65091608036 95312711767 102644458826 110540186428 111864020996 113910314063 190625423534 205288917652 227820628126 359255605891 381250847068 455641256252 667188982369 718511211782 1334377964738 1437022423564 2668755929476 4670322876583 9340645753166 18681291506332
• Sum of all divisors σ(n): 42584034219552
• Sum of proper divisors (its aliquot sum) s(n): 23902742713220
• 18681291506332 is an abundant number, because the sum of its proper divisors (23902742713220) is greater than itself. Its abundance is 5221451206888

Bases of 18681291506332

• Binary: 100001111110110010011101111101000001010011100₂
• Hexadecimal: 0x10FD93BE829C
• Base-36: 6ME2EMJKS

Squares and roots of 18681291506332

• 18681291506332 squared (18681291506332²) is 348990652344552125596094224
• 18681291506332 cubed (18681291506332³) is 6519596109433545505850951519284764626368
• The square root of 18681291506332 is 4322185.9638766123
• The cube root of 18681291506332 is 26533.9739910615

Scales and comparisons

• 18,681,291,506,332 seconds is equal to 594,007 years, 14 weeks, 5 days, 16 hours, 38 minutes, 52 seconds.
• To count from 1 to 18,681,291,506,332 would take you about one million, four hundred eighty-five thousand and 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 18681291506332 cubic inches would be around 2211.2 feet tall.

Recreational maths with 18681291506332

• 18681291506332 backwards is 23360519218681
• The number of decimal digits it has is: 14
• The sum of 18681291506332's digits is 55
• More coming soon!