18989915949312

Names of 18989915949312

• Cardinal: 18989915949312 can be written as Eighteen trillion, nine hundred eighty-nine billion, nine hundred fifteen million, nine hundred forty-nine thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.8989915949312 × 10¹³

Factors of 18989915949312

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 552813

Divisors of 18989915949312

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 49 56 64 66 77 83 84 88 96 98 112 128 132 147 154 166 168 176 192 196 224 231 249 256 264 294 308 332 336 352 384 392 448 462 498 528 539 581 588 616 664 672 704 768 784 896 913 924 996 1056 1078 1162 1176 1232 1328 1344 1408 1568 1617 1743 1792 1826 1848 1992 2112 2156 2324 2352 2464 2656 2688 2739 2816 3136 3234 3486 3652 3696 3984 4067 4224 4312 4648 4704 4928 5312 5376 5478 6272 6391 6468 6972 7304 7392 7968 8134 8448 8624 9296 9408 9856 10624 10956 12201 12544 12782 12936 13944 14608 14784 15936 16268 17248 18592 18816 19173 19712 21248 21912 24402 25564 25872 27888 29216 29568 31872 32536 34496 37184 37632 38346 43824 44737 48804 51128 51744 55776 58432 59136 63744 65072 68992 74368 76692 87648 89474 97608 102256 103488 111552 116864 130144 134211 137984 148736 153384 175296 178948 195216 204512 206976 223104 233728 260288 268422 306768 350592 357896 390432 409024 413952 446208 520576 536844 552707 613536 701184 715792 780864 818048 1041152 1073688 1105414 1227072 1431584 1561728 1636096 1658121 2147376 2210828 2454144 2863168 3123456 3316242 3868949 4294752 4421656 4908288 5726336 6079777 6632484 7737898 8589504 8843312 11452672 11606847 12159554 13264968 15475796 17179008 17686624 18239331 23213694 24319108 26529936 27082643 30951592 34358016 35373248 36478662 42558439 45874681 46427388 48638216 53059872 54165286 61903184 70746496 72957324 81247929 85116878 91749362 92854776 97276432 106119744 108330572 123806368 127675317 137624043 141492992 145914648 162495858 170233756 183498724 185709552 194552864 212239488 216661144 247612736 255350634 275248086 291829296 297909073 321122767 324991716 340467512 366997448 371419104 389105728 424478976 433322288 495225472 504621491 510701268 550496172 583658592 595818146 642245534 649983432 680935024 733994896 742838208 778211456 866644576 893727219 963368301 990450944 1009242982 1021402536 1100992344 1167317184 1191636292 1284491068 1299966864 1361870048 1467989792 1485676416 1513864473 1556422912 1733289152 1787454438 1926736602 2018485964 2042805072 2201984688 2247859369 2334634368 2383272584 2568982136 2599933728 2723740096 2935979584 2971352832 3027728946 3466578304 3532350437 3574908876 3853473204 4036971928 4085610144 4403969376 4495718738 4669268736 4766545168 5137964272 5199867456 5447480192 5871959168 6055457892 6743578107 6933156608 7064700874 7149817752 7706946408 8073943856 8171220288 8807938752 8991437476 9533090336 10275928544 10399734912 10597051311 10894960384 11743918336 12110915784 13487156214 14129401748 14299635504 15413892816 16147887712 16342440576 17615877504 17982874952 19066180672 20551857088 20799469824 21194102622 24221831568 24726453059 26974312428 28258803496 28599271008 30827785632 32295775424 32684881152 35231755008 35965749904 38132361344 41103714176 42388205244 48443663136 49452906118 53948624856 56517606992 57198542016 61655571264 64591550848 71931499808 74179359177 76264722688 82207428352 84776410488 96887326272 98905812236 107897249712 113035213984 114397084032 123311142528 129183101696 143862999616 148358718354 169552820976 193774652544 197811624472 215794499424 226070427968 228794168064 246622285056 287725999232 296717436708 339105641952 387549305088 395623248944 431588998848 452140855936 575451998464 593434873416 678211283904 791246497888 863177997696 904281711872 1186869746832 1356422567808 1582492995776 1726355995392 2373739493664 2712845135616 3164985991552 4747478987328 6329971983104 9494957974656 18989915949312
• Sum of all divisors σ(n): 64910062893312
• Sum of proper divisors (its aliquot sum) s(n): 45920146944000
• 18989915949312 is an abundant number, because the sum of its proper divisors (45920146944000) is greater than itself. Its abundance is 26930230994688

Bases of 18989915949312

• Binary: 100010100010101101111001100011100100100000000₂
• Hexadecimal: 0x11456F31C900
• Base-36: 6QBUHNFUO

Squares and roots of 18989915949312

• 18989915949312 squared (18989915949312²) is 360616907761934278153273344
• 18989915949312 cubed (18989915949312³) is 6848084768299930119014371236565984739328
• The square root of 18989915949312 is 4357742.0700761995
• The cube root of 18989915949312 is 26679.2948978655

Scales and comparisons

• 18,989,915,949,312 seconds is equal to 603,820 years, 30 weeks, 3 days, 20 hours, 35 minutes, 12 seconds.
• To count from 1 to 18,989,915,949,312 would take you about one million, five hundred nine thousand, five hundred fifty-one 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 18989915949312 cubic inches would be around 2223.3 feet tall.

Recreational maths with 18989915949312

• 18989915949312 backwards is 21394951998981
• The number of decimal digits it has is: 14
• The sum of 18989915949312's digits is 78
• More coming soon!