20138519375872

Names of 20138519375872

• Cardinal: 20138519375872 can be written as Twenty trillion, one hundred thirty-eight billion, five hundred nineteen million, three hundred seventy-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.0138519375872 × 10¹³

Factors of 20138519375872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 99

Divisors of 20138519375872

• Number of divisors d(n): 390
• Complete list of divisors:
  1 2 4 8 16 17 32 34 37 43 64 68 74 86 128 136 148 172 256 272 289 296 344 512 544 578 592 629 688 731 1024 1088 1156 1184 1258 1369 1376 1462 1591 2048 2176 2312 2368 2516 2738 2752 2924 3182 4096 4352 4624 4736 4913 5032 5476 5504 5848 6364 8704 9248 9472 9826 10064 10693 10952 11008 11696 12427 12728 17408 18496 18944 19652 20128 21386 21904 22016 23273 23392 24854 25456 27047 34816 36992 37888 39304 40256 42772 43808 44032 46546 46784 49708 50912 54094 58867 69632 73984 75776 78608 80512 83521 85544 87616 88064 93092 93568 99416 101824 108188 117734 147968 151552 157216 161024 167042 171088 175232 176128 181781 186184 187136 198832 203648 211259 216376 235468 295936 314432 322048 334084 342176 350464 363562 372368 374272 395641 397664 407296 422518 432752 459799 470936 591872 628864 644096 668168 684352 700928 727124 744736 748544 791282 795328 814592 845036 865504 919598 941872 1000739 1183744 1257728 1288192 1336336 1368704 1401856 1454248 1489472 1497088 1582564 1590656 1629184 1690072 1731008 1839196 1883744 2001478 2515456 2576384 2672672 2737408 2803712 2908496 2978944 2994176 3090277 3165128 3181312 3258368 3380144 3462016 3591403 3678392 3767488 4002956 5030912 5345344 5474816 5607424 5816992 5957888 6180554 6330256 6362624 6516736 6725897 6760288 6924032 7182806 7356784 7534976 7816583 8005912 10061824 10690688 10949632 11633984 11915776 12361108 12660512 12725248 13451794 13520576 13848064 14365612 14713568 15069952 15633166 16011824 17012563 20123648 21381376 21899264 23267968 23831552 24722216 25321024 25450496 26903588 27041152 27696128 28731224 29427136 30139904 31266332 32023648 34025126 42762752 43798528 46535936 47663104 49444432 50642048 50900992 53807176 54082304 55392256 57462448 58854272 60279808 62532664 64047296 68050252 85525504 93071872 95326208 98888864 101284096 107614352 108164608 110784512 114340249 114924896 117708544 120559616 125065328 128094592 132881911 136100504 171051008 186143744 197777728 202568192 215228704 216329216 228680498 229849792 235417088 241119232 250130656 256189184 265763822 272201008 289213571 342102016 372287488 395555456 405136384 430457408 432658432 457360996 459699584 470834176 500261312 512378368 531527644 544402016 578427142 744574976 791110912 810272768 860914816 865316864 914721992 919399168 941668352 1000522624 1024756736 1063055288 1088804032 1156854284 1582221824 1620545536 1721829632 1829443984 1838798336 1883336704 2001045248 2049513472 2126110576 2177608064 2313708568 3164443648 3443659264 3658887968 3677596672 4002090496 4099026944 4252221152 4355216128 4627417136 4916630707 6328887296 6887318528 7317775936 7355193344 8004180992 8504442304 8710432256 9254834272 9833261414 12657774592 13774637056 14635551872 14710386688 16008361984 17008884608 17420864512 18509668544 19666522828 27549274112 29271103744 32016723968 34017769216 34841729024 37019337088 39333045656 58542207488 68035538432 69683458048 74038674176 78666091312 117084414976 136071076864 148077348352 157332182624 234168829952 272142153728 296154696704 314664365248 468337659904 544284307456 592309393408 629328730496 1184618786816 1258657460992 2517314921984 5034629843968 10069259687936 20138519375872
• Sum of all divisors σ(n): 44999534189148
• Sum of proper divisors (its aliquot sum) s(n): 24861014813276
• 20138519375872 is an abundant number, because the sum of its proper divisors (24861014813276) is greater than itself. Its abundance is 4722495437404

Bases of 20138519375872

• Binary: 100100101000011011101010010110011000000000000₂
• Hexadecimal: 0x1250DD4B3000
• Base-36: 74ZIAH3WG

Squares and roots of 20138519375872

• 20138519375872 squared (20138519375872²) is 405559962652371968415760384
• 20138519375872 cubed (20138519375872³) is 8167377165952717563080546904999983054848
• The square root of 20138519375872 is 4487596.1689831227
• The cube root of 20138519375872 is 27206.6986168449

Scales and comparisons

• 20,138,519,375,872 seconds is equal to 640,342 years, 32 weeks, 2 days, 23 hours, 57 minutes, 52 seconds.
• To count from 1 to 20,138,519,375,872 would take you about one million, six hundred thousand, eight hundred fifty-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 20138519375872 cubic inches would be around 2267.2 feet tall.

Recreational maths with 20138519375872

• 20138519375872 backwards is 27857391583102
• The number of decimal digits it has is: 14
• The sum of 20138519375872's digits is 61
• More coming soon!