1538939387380941

Names of 1538939387380941

• Cardinal: 1538939387380941 can be written as One quadrillion, five hundred thirty-eight trillion, nine hundred thirty-nine billion, three hundred eighty-seven million, three hundred eighty thousand, nine hundred forty-one.

Scientific notation

• Scientific notation: 1.538939387380941 × 10¹⁵

Factors of 1538939387380941

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 52

Divisors of 1538939387380941

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 7 9 13 21 27 29 39 63 81 87 91 117 169 189 203 243 261 273 351 377 507 567 609 729 783 819 841 1053 1131 1183 1521 1701 1827 2187 2349 2457 2523 2639 3159 3393 3549 4563 4901 5103 5481 5887 7047 7371 7569 7917 9477 10179 10647 10933 13689 14703 15309 16443 17661 21141 22113 22707 23751 24389 28431 30537 31941 32799 34307 41067 44109 49329 52983 63423 66339 68121 71253 73167 76531 91611 95823 98397 102921 123201 132327 142129 147987 158949 170723 199017 204363 213759 219501 229593 274833 287469 295191 308763 317057 369603 396981 426387 443961 476847 512169 613089 641277 658503 688779 707281 824499 862407 885573 926289 951171 994903 1190943 1279161 1430541 1536507 1839267 1923831 1975509 2066337 2121843 2219399 2587221 2656719 2778867 2853513 2984709 3572829 3837483 4121741 4291623 4609521 4950967 5771493 5926527 6199011 6365529 6658197 7970157 8336601 8560539 8954127 9194653 10718487 11512449 12365223 12874869 13828563 14852901 17779581 18597033 19096587 19974591 20511149 23910471 25009803 25681617 26862381 27583959 28852187 34537347 37095669 41485689 44558703 53338743 55791099 57289761 59923773 61533447 64362571 75029409 77044851 80587143 82751877 86556561 103612041 111287007 119530489 124457067 133676109 143578043 167373297 171869283 179771319 184600341 193087713 231134553 241761429 248255631 259669683 266644937 310836123 333861021 358591467 373371201 401028327 430734129 515607849 539313957 553801023 579263139 594823321 693403659 725284287 744766893 779009049 799934811 836713423 1001583063 1075774401 1203084981 1292202387 1546823547 1617941871 1661403069 1737789417 1784469963 1866514559 2175852861 2234300679 2337027147 2399804433 2510140269 3004749189 3227323203 3466384181 3609254943 3876607161 4163763247 4853825613 4984209207 5213368251 5353409889 5599543677 6702902037 7011081441 7199413299 7530420807 7732703173 9014247567 9681969609 10399152543 10827764829 11629821483 12491289741 14952627621 15640104753 16060229667 16798631031 20108706111 21033244323 21598239897 22591262421 23198109519 24264689267 29045908827 31197457629 34889464449 37473869223 44857882863 46920314259 48180689001 50395893093 54128922211 63099732969 64794719691 67773787263 69594328557 72794067801 87137726481 93592372887 100525141249 104668393347 112421607669 140760942777 144542067003 151187679279 162386766633 194384159073 203321361789 208782985671 218382203403 261413179443 280777118661 301575423747 314005180041 337264823007 433626201009 453563037837 487160299899 583152477219 609964085367 626348957013 655146610209 703675988743 842331355983 904726271241 1011794469021 1300878603027 1360689113511 1461480899697 1829892256101 1879046871039 1965439830627 2111027966229 2526994067949 2714178813723 3035383407063 4082067340533 4384442699091 5637140613117 5896319491881 6333083898687 7580982203847 8142536441169 9106150221189 13153328097273 16911421839351 17688958475643 18999251696061 24427609323507 39459984291819 53066875426929 56997755088183 73282827970521 118379952875457 170993265264549 219848483911563 512979795793647 1538939387380941
• Sum of all divisors σ(n): 2958304501461120
• Sum of proper divisors (its aliquot sum) s(n): 1419365114080179
• 1538939387380941 is a deficient number, because the sum of its proper divisors (1419365114080179) is less than itself. Its deficiency is 119574273300762

Bases of 1538939387380941

• Binary: 101011101111010100000111111100001000000010011001101₂
• Hexadecimal: 0x577A83F8404CD
• Base-36: F5IAZT0BT9

Squares and roots of 1538939387380941

• 1538939387380941 squared (1538939387380941²) is 2368334438032425987191450045481
• 1538939387380941 cubed (1538939387380941³) is 3644723149178806824009790372620350431922577621
• The square root of 1538939387380941 is 39229317.9571215717
• The cube root of 1538939387380941 is 115453.5182086391
• Being both a perfect square and a perfect cube, 1538939387380941 is also a perfect sixth number.

Scales and comparisons

• 1,538,939,387,380,941 seconds is equal to 48,933,512 years, 13 weeks, 6 days, 1 hour, 22 minutes, 21 seconds.
• To count from 1 to 1,538,939,387,380,941 would take you about one hundred forty-six million, eight hundred thousand, five hundred thirty-six 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 1538939387380941 cubic inches would be around 9621.1 feet tall.

Recreational maths with 1538939387380941

• 1538939387380941 backwards is 1490837839398351
• 1538939387380941 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1538939387380941's digits is 81
• More coming soon!