17918949989380

Names of 17918949989380

• Cardinal: 17918949989380 can be written as Seventeen trillion, nine hundred eighteen billion, nine hundred forty-nine million, nine hundred eighty-nine thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.791894998938 × 10¹³

Factors of 17918949989380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 66

Divisors of 17918949989380

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 10 11 19 20 22 29 38 44 55 58 76 95 110 116 121 145 190 209 220 242 290 319 361 380 418 484 551 580 605 638 722 836 841 1045 1102 1210 1276 1444 1595 1682 1805 2090 2204 2299 2420 2755 3190 3364 3509 3610 3971 4180 4205 4598 5510 6061 6380 7018 7220 7942 8410 9196 9251 10469 11020 11495 12122 14036 15884 15979 16820 17545 18502 19855 20938 22990 24244 24389 30305 31958 35090 37004 39710 41876 43681 45980 46255 48778 52345 60610 63916 66671 70180 79420 79895 87362 92510 97556 101761 104690 115159 121220 121945 133342 159790 174724 175769 185020 203522 209380 218405 230318 243890 266684 268279 303601 319580 333355 351538 407044 436810 460636 463391 487780 508805 536558 575795 607202 666710 703076 707281 873620 878845 926782 1017610 1073116 1151590 1214404 1266749 1333420 1341395 1414562 1518005 1757690 1853564 1933459 2035220 2303180 2316955 2533498 2682790 2829124 2951069 3036010 3339611 3515380 3536405 3866918 4633910 5066996 5097301 5365580 5902138 6072020 6333745 6679222 7072810 7733836 7780091 8804429 9267820 9667295 10194602 11804276 12667490 13358444 13438339 14145620 14755345 15560182 16698055 17608858 19334590 20389204 20511149 25334980 25486505 26876678 29510690 31120364 33396110 35217716 36735721 38669180 38900455 41022298 44022145 50973010 53753356 56070311 59021380 66792220 67191695 73471442 77800910 82044596 85581001 88044290 96848719 101946020 102555745 112140622 134383390 146942884 147821729 155601820 171162002 176088580 183678605 193697438 205111490 224281244 225622639 255328441 268766780 280351555 295643458 342324004 367357210 387394876 389711831 410222980 427905005 451245278 484243595 510656882 560703110 591286916 734714420 739108645 779423662 855810010 902490556 968487190 1021313764 1065335909 1121406220 1128113195 1276642205 1478217290 1558847324 1626039019 1711620020 1936974380 1948559155 2130671818 2256226390 2481849029 2553284410 2808612851 2956434580 3252078038 3897118310 4261343636 4286830141 4512452780 4963698058 5106568820 5326679545 5617225702 6504156076 7404524789 7794236620 8130195095 8573660282 9927396116 10653359090 11234451404 12409245145 14043064255 14809049578 16260390190 17147320564 21306718180 21434150705 24818490290 28086128510 29618099156 30894741361 32520780380 37022623945 42868301410 47155131551 49636980580 56172257020 61789482722 74045247890 81449772679 85736602820 94310263102 123578965444 148090495780 154473706805 162899545358 188620526204 235775657755 308947413610 325799090716 407248863395 471551315510 617894827220 814497726790 895947499469 943102631020 1628995453580 1791894998938 3583789997876 4479737497345 8959474994690 17918949989380
• Sum of all divisors σ(n): 45212223141540
• Sum of proper divisors (its aliquot sum) s(n): 27293273152160
• 17918949989380 is an abundant number, because the sum of its proper divisors (27293273152160) is greater than itself. Its abundance is 9374323162780

Bases of 17918949989380

• Binary: 100000100110000010100101001100001110000000100₂
• Hexadecimal: 0x104C14A61C04
• Base-36: 6CNUO64G4

Squares and roots of 17918949989380

• 17918949989380 squared (17918949989380²) is 321088768721901502112784400
• 17918949989380 cubed (17918949989380³) is 5753573588879354197457284071942229672000
• The square root of 17918949989380 is 4233078.0750394859
• The cube root of 17918949989380 is 26168.0193622453

Scales and comparisons

• 17,918,949,989,380 seconds is equal to 569,767 years, 9 weeks, 3 days, 12 hours, 9 minutes, 40 seconds.
• To count from 1 to 17,918,949,989,380 would take you about one million, four hundred twenty-four thousand, four hundred seventeen 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 17918949989380 cubic inches would be around 2180.7 feet tall.

Recreational maths with 17918949989380

• 17918949989380 backwards is 08398994981971
• The number of decimal digits it has is: 14
• The sum of 17918949989380's digits is 85
• More coming soon!