1638160716690540

Names of 1638160716690540

• Cardinal: 1638160716690540 can be written as One quadrillion, six hundred thirty-eight trillion, one hundred sixty billion, seven hundred sixteen million, six hundred ninety thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.63816071669054 × 10¹⁵

Factors of 1638160716690540

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1726468

Divisors of 1638160716690540

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 101 105 126 140 180 202 210 252 303 315 404 420 505 606 630 707 909 1010 1212 1260 1414 1515 1818 2020 2121 2828 3030 3535 3636 4242 4545 6060 6363 7070 7489 8484 9090 10605 12726 14140 14978 18180 21210 22467 25452 29956 31815 37445 42420 44934 52423 63630 67401 74890 89868 104846 112335 127260 134802 149780 157269 209692 224670 262115 269604 314538 337005 449340 471807 524230 629076 674010 756389 786345 943614 1048460 1348020 1512778 1572690 1718861 1887228 2269167 2359035 3025556 3145380 3437722 3781945 4538334 4718070 5156583 5294723 6807501 6875444 7563890 8594305 9076668 9436140 10313166 10589446 11345835 12032027 13615002 15127780 15469749 15884169 17188610 20626332 21178892 22691670 24064054 25782915 26473615 27230004 30939498 31768338 34037505 34377220 36096081 45383340 47652507 48128108 51565830 52947230 60160135 61878996 63536676 68075010 72192162 77348745 79420845 95305014 103131660 105894460 108288243 120320270 136150020 144384324 154697490 158841690 173604961 180480405 190610028 216576486 238262535 240640540 309394980 317683380 347209922 360960810 433152972 476525070 520814883 541441215 694419844 721921620 868024805 953050140 1041629766 1082882430 1215234727 1562444649 1736049610 2083259532 2165764860 2430469454 2604074415 3124889298 3472099220 3645704181 4860938908 5208148830 6076173635 6249778596 7291408362 7812223245 10416297660 10937112543 12152347270 12872550029 14582816724 15624446490 18228520905 21874225086 24304694540 25745100058 31248892980 36457041810 38617650087 43748450172 51490200116 54685562715 64362750145 72914083620 77235300174 90107850203 109371125430 115852950261 128725500290 154470600348 180215700406 193088250435 218742250860 231705900522 257451000580 270323550609 360431400812 386176500870 450539251015 463411801044 540647101218 579264751305 772353001740 810970651827 901078502030 1081294202436 1158529502610 1300127552929 1351617753045 1621941303654 1802157004060 2317059005220 2600255105858 2703235506090 3243882607308 3900382658787 4054853259135 5200510211716 5406471012180 6500637764645 7800765317574 8109706518270 9100892870503 11701147976361 13001275529290 15601530635148 16219413036540 18201785741006 19501913293935 23402295952722 26002551058580 27302678611509 36403571482012 39003826587870 45504464352515 46804591905444 54605357223018 58505739881805 78007653175740 81908035834527 91008928705030 109210714446036 117011479763610 136513393057545 163816071669054 182017857410060 234022959527220 273026786115090 327632143338108 409540179172635 546053572230180 819080358345270 1638160716690540
• Sum of all divisors σ(n): 5735953601239680
• Sum of proper divisors (its aliquot sum) s(n): 4097792884549140
• 1638160716690540 is an abundant number, because the sum of its proper divisors (4097792884549140) is greater than itself. Its abundance is 2459632167858600

Bases of 1638160716690540

• Binary: 101110100011110011000000011100110100111010001101100₂
• Hexadecimal: 0x5D1E6039A746C
• Base-36: G4OGN6NSZ0

Squares and roots of 1638160716690540

• 1638160716690540 squared (1638160716690540²) is 2683570533708063658130125491600
• 1638160716690540 cubed (1638160716690540³) is 4396119828788816493522791874974484842569464000
• The square root of 1638160716690540 is 40474198.1599455531
• The cube root of 1638160716690540 is 117883.2685673817

Scales and comparisons

• 1,638,160,716,690,540 seconds is equal to 52,088,443 years, 32 weeks, 4 days, 5 hours, 9 minutes.
• To count from 1 to 1,638,160,716,690,540 would take you about one hundred fifty-six million, two hundred sixty-five thousand, three hundred thirty 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 1638160716690540 cubic inches would be around 9823.6 feet tall.

Recreational maths with 1638160716690540

• 1638160716690540 backwards is 0450966170618361
• 1638160716690540 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1638160716690540's digits is 63
• More coming soon!