18988370206533

Names of 18988370206533

• Cardinal: 18988370206533 can be written as Eighteen trillion, nine hundred eighty-eight billion, three hundred seventy million, two hundred six thousand, five hundred thirty-three.

Scientific notation

• Scientific notation: 1.8988370206533 × 10¹³

Factors of 18988370206533

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 275

Divisors of 18988370206533

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 7 9 13 19 21 39 49 57 63 91 117 133 147 169 171 233 247 273 361 399 441 507 637 699 741 819 931 1083 1183 1197 1521 1631 1729 1911 2097 2197 2223 2527 2793 3029 3211 3249 3549 4427 4693 4893 5187 5733 6591 7581 8281 8379 9087 9633 10647 11417 12103 13281 14079 14679 15379 15561 17689 19773 21203 22477 22743 24843 27261 28899 30989 32851 34251 36309 39377 39843 41743 42237 46137 53067 54289 57551 61009 63609 67431 74529 84113 92967 98553 102753 107653 108927 118131 125229 138411 148421 157339 159201 162867 172653 183027 190827 202293 216923 229957 252339 275639 278901 292201 295659 322959 354393 375687 380023 402857 427063 445263 472017 488601 511901 517959 549081 588791 650769 689871 705757 748163 757017 793117 826917 876603 968877 1031491 1093469 1140069 1208571 1281189 1335789 1416051 1535703 1766373 1929473 1952307 2045407 2069613 2117271 2244489 2379351 2480751 2629809 2660161 2819999 2989441 3094473 3280407 3420207 3583307 3625713 3843567 4121537 4607109 4940299 5237141 5299119 5551819 5788419 6136221 6351813 6733467 7138053 7220437 7654283 7980483 8459997 8968323 9174841 9283419 9726119 9841221 10749921 12364611 13409383 14215097 14820897 15711423 16655457 17365257 18408663 19598329 21661311 22962849 23941449 25083149 25379991 26904969 27524523 29178357 32249763 34582093 36659987 37093833 38862733 40228149 42645291 44462691 47134269 49966371 50543059 53579981 58794987 64223887 64983933 68082833 68888547 75249447 82573569 87535071 93865681 99505679 103746279 109979961 116588199 119272933 120684447 127935873 137188303 151629177 160739943 174321979 176384961 184796261 192671661 204248499 225748341 254778277 281597043 298517037 311238837 329939883 349764597 357818799 411564909 449567209 454887531 476579831 482219829 522965937 554388783 578014983 612745497 657059767 696539753 764334831 834910531 844791129 895551111 960318121 1073456397 1220253853 1234694727 1293573827 1348701627 1429739493 1568897811 1663166349 1783447939 1971179301 2089619259 2266185727 2293004493 2504731593 2880954363 3312117601 3660761559 3880721481 4046104881 4289218479 5350343817 5844373717 5913537903 6268857777 6798557181 7514194779 8541776971 8642863089 9055016789 9936352803 10982284677 11642164443 12484135573 15863300089 16051031451 17533121151 20395671543 23184823207 25625330913 27165050367 29809058409 37452406719 43057528813 47589900267 52599363453 69554469621 76875992739 81495151101 111043100623 112357220157 129172586439 142769700801 162293762449 208663408863 301402701691 333129301869 387517759317 486881287347 904208105073 999387905607 1460643862041 2109818911837 2712624315219 6329456735511 18988370206533
• Sum of all divisors σ(n): 36635311161540
• Sum of proper divisors (its aliquot sum) s(n): 17646940955007
• 18988370206533 is a deficient number, because the sum of its proper divisors (17646940955007) is less than itself. Its deficiency is 1341429251526

Bases of 18988370206533

• Binary: 100010100010100010011000011111001111101000101₂
• Hexadecimal: 0x1145130F9F45
• Base-36: 6QB4XCT39

Squares and roots of 18988370206533

• 18988370206533 squared (18988370206533²) is 360558203100350085075880089
• 18988370206533 cubed (18988370206533³) is 6846412641471761905876893326541672421437
• The square root of 18988370206533 is 4357564.7105387891
• The cube root of 18988370206533 is 26678.5709970587

Scales and comparisons

• 18,988,370,206,533 seconds is equal to 603,771 years, 22 weeks, 5 days, 7 hours, 35 minutes, 33 seconds.
• To count from 1 to 18,988,370,206,533 would take you about one million, five hundred nine thousand, four hundred twenty-eight 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 18988370206533 cubic inches would be around 2223.2 feet tall.

Recreational maths with 18988370206533

• 18988370206533 backwards is 33560207388981
• 18988370206533 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18988370206533's digits is 63
• More coming soon!