18158680431680

Names of 18158680431680

• Cardinal: 18158680431680 can be written as Eighteen trillion, one hundred fifty-eight billion, six hundred eighty million, four hundred thirty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.815868043168 × 10¹³

Factors of 18158680431680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3188

Divisors of 18158680431680

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 43 64 76 80 86 95 137 152 160 172 181 190 215 274 304 320 344 362 380 430 548 608 685 688 724 760 817 860 905 1096 1216 1370 1376 1448 1520 1634 1720 1810 2192 2603 2740 2752 2801 2896 3040 3268 3439 3440 3620 4085 4384 5206 5480 5602 5792 5891 6080 6536 6878 6880 7240 7783 8170 8768 10412 10960 11204 11584 11782 13015 13072 13756 13760 14005 14480 15566 16340 17195 20824 21920 22408 23564 24797 26030 26144 27512 28010 28960 29455 31132 32680 34390 38915 41648 43840 44816 47128 49594 52060 52288 53219 55024 56020 57920 58910 62264 65360 68780 77830 83296 89632 94256 99188 104120 106438 110048 111929 112040 117820 120443 123985 124528 130720 137560 147877 155660 166592 179264 188512 198376 208240 212876 220096 223858 224080 235640 240886 247970 249056 261440 266095 275120 295754 311320 377024 383737 396752 416480 425752 447716 448160 471143 471280 481772 495940 498112 506981 532190 550240 559645 591508 602215 622640 739385 767474 793504 832960 851504 895432 896320 942286 942560 963544 991880 1013962 1064380 1066271 1100480 1119290 1183016 1204430 1245280 1478770 1534948 1587008 1703008 1790864 1884572 1885120 1918685 1927088 1983760 2027924 2128760 2132542 2238580 2288417 2355715 2366032 2408860 2490560 2534905 2957540 3069896 3406016 3581728 3769144 3837370 3854176 3967520 4055848 4257520 4265084 4477160 4576834 4711430 4732064 4817720 5069810 5331355 5915080 6139792 7163456 7291003 7538288 7674740 7708352 7935040 8111696 8515040 8530168 8954320 9153668 9422860 9464128 9632639 9635440 10139620 10662710 11442085 11830160 12279584 14582006 15076576 15349480 16223392 16500691 17030080 17060336 17908640 18307336 18845720 19265278 19270880 20259149 20279240 21325420 21800183 22884170 23660320 24559168 29164012 30153152 30698960 32446784 33001382 34120672 35817280 36455015 36614672 37691440 38530556 38541760 40518298 40558480 42650840 43600366 45768340 47320640 48163195 58328024 61397920 66002764 68241344 69456397 72910030 73229344 75382880 77061112 81036596 81116960 82503455 85301680 87200732 91536680 96326390 101295745 109000915 116656048 122795840 132005528 138912794 145820060 146458688 150765760 154122224 162073192 162233920 165006910 170603360 174401464 183073360 192652780 202591490 218001830 233312096 264011056 277825588 291640120 308244448 313513129 324146384 330013820 341206720 347281985 348802928 366146720 385305560 405182980 414203477 436003660 466624192 528022112 555651176 583280240 616488896 627026258 648292768 660027640 694563970 697605856 732293440 770611120 810365960 828406954 872007320 1056044224 1111302352 1166560480 1254052516 1296585536 1319671543 1320055280 1389127940 1395211712 1541222240 1567565645 1620731920 1656813908 1744014640 2071017385 2222604704 2333120960 2508105032 2639343086 2640110560 2778255880 2986625071 3082444480 3135131290 3241463840 3313627816 3488029280 4142034770 4445209408 5016210064 5278686172 5280221120 5556511760 5973250142 6270262580 6482927680 6598357715 6627255632 6976058560 8284069540 10032420128 10557372344 11113023520 11946500284 12540525160 13196715430 13254511264 14933125355 16568139080 20064840256 21114744688 22226047040 23893000568 25081050320 26393430860 26509022528 29866250710 33136278160 42229489376 47786001136 50162100640 52786861720 56745876349 59732501420 66272556320 84458978752 95572002272 100324201280 105573723440 113491752698 119465002840 132545112640 191144004544 211147446880 226983505396 238930005680 283729381745 422294893760 453967010792 477860011360 567458763490 907934021584 955720022720 1134917526980 1815868043168 2269835053960 3631736086336 4539670107920 9079340215840 18158680431680
• Sum of all divisors σ(n): 47190681457920
• Sum of proper divisors (its aliquot sum) s(n): 29032001026240
• 18158680431680 is an abundant number, because the sum of its proper divisors (29032001026240) is greater than itself. Its abundance is 10873320594560

Bases of 18158680431680

• Binary: 100001000001111100101101100100101110001000000₂
• Hexadecimal: 0x1083E5B25C40
• Base-36: 6FPZDHHKW

Squares and roots of 18158680431680

• 18158680431680 squared (18158680431680²) is 329737675019878151147622400
• 18158680431680 cubed (18158680431680³) is 5987601066971120538262308209837637632000
• The square root of 18158680431680 is 4261300.3216952451
• The cube root of 18158680431680 is 26284.1999252275

Scales and comparisons

• 18,158,680,431,680 seconds is equal to 577,389 years, 45 weeks, 1 day, 9 hours, 41 minutes, 20 seconds.
• To count from 1 to 18,158,680,431,680 would take you about one million, four hundred forty-three thousand, four hundred seventy-four 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 18158680431680 cubic inches would be around 2190.3 feet tall.

Recreational maths with 18158680431680

• 18158680431680 backwards is 08613408685181
• The number of decimal digits it has is: 14
• The sum of 18158680431680's digits is 59
• More coming soon!