18161061302272

Names of 18161061302272

• Cardinal: 18161061302272 can be written as Eighteen trillion, one hundred sixty-one billion, sixty-one million, three hundred two thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.8161061302272 × 10¹³

Factors of 18161061302272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 624

Divisors of 18161061302272

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 37 49 56 64 74 98 112 128 148 157 196 224 256 259 296 314 392 421 448 512 518 592 628 784 842 896 1024 1036 1099 1184 1256 1369 1568 1684 1792 1813 2048 2072 2198 2368 2512 2738 2947 3136 3368 3584 3626 4096 4144 4396 4736 5024 5476 5809 5894 6272 6736 7168 7252 7693 8288 8792 9472 9583 10048 10952 11618 11788 12544 13472 14336 14504 15386 15577 16576 17584 18944 19166 20096 20629 21904 23236 23576 25088 26944 28672 29008 30772 31154 33152 35168 37888 38332 40192 40663 41258 43808 46472 47152 50176 53888 58016 61544 62308 66097 66304 67081 70336 75776 76664 80384 81326 82516 87616 92944 94304 100352 107776 109039 116032 123088 124616 132194 132608 134162 140672 151552 153328 160768 162652 165032 175232 185888 188608 200704 214933 215552 218078 232064 246176 249232 264388 265216 268324 281344 284641 306656 321536 325304 330064 350464 371776 377216 429866 431104 436156 462679 464128 492352 498464 528776 530432 536648 562688 569282 576349 613312 643072 650608 660128 700928 743552 754432 763273 859732 862208 872312 925358 928256 984704 996928 1057552 1060864 1073296 1125376 1138564 1152698 1226624 1301216 1320256 1401856 1487104 1504531 1508864 1526546 1719464 1724416 1744624 1850716 1856512 1969408 1993856 2115104 2146592 2250752 2277128 2305396 2445589 2453248 2602432 2640512 2803712 2974208 3009062 3017728 3053092 3238753 3438928 3489248 3701432 3713024 3938816 3987712 4034443 4230208 4293184 4501504 4554256 4610792 4891178 4906496 5204864 5281024 5607424 5948416 6018124 6035456 6106184 6477506 6877856 6978496 7402864 7426048 7877632 7975424 8068886 8460416 8586368 9108512 9221584 9782356 9812992 10409728 10531717 10562048 11896832 12036248 12070912 12212368 12955012 13755712 13956992 14805728 15755264 15950848 16137772 16920832 17119123 17172736 18217024 18443168 19564712 19625984 20819456 21063434 21124096 23793664 24072496 24424736 25910024 27511424 27913984 28241101 29611456 31510528 31901696 32275544 33841664 34238246 34345472 36434048 36886336 39129424 39251968 41638912 42126868 42248192 48144992 48849472 51820048 55022848 55827968 56482202 59222912 63803392 64551088 67683328 68476492 68690944 72868096 73772672 78258848 83277824 84253736 84496384 90486793 96289984 97698944 103640096 110045696 111655936 112964404 118445824 119833861 129102176 135366656 136952984 137381888 145736192 147545344 156517696 166555648 168507472 180973586 192579968 195397888 207280192 220091392 223311872 225928808 236891648 239667722 258204352 270733312 273905968 274763776 291472384 295090688 313035392 337014944 361947172 385159936 390795776 414560384 440182784 446623744 451857616 473783296 479335444 516408704 547811936 582944768 590181376 626070784 633407551 674029888 723894344 770319872 781591552 829120768 880365568 903715232 947566592 958670888 1032817408 1095623872 1165889536 1180362752 1252141568 1266815102 1348059776 1447788688 1540639744 1563183104 1658241536 1807430464 1895133184 1917341776 2065634816 2191247744 2360725504 2504283136 2533630204 2696119552 2895577376 3081279488 3126366208 3316483072 3614860928 3834683552 4131269632 4382495488 4433852857 5008566272 5067260408 5392239104 5791154752 6162558976 6632966144 7229721856 7669367104 8262539264 8764990976 8867705714 10017132544 10134520816 10784478208 11582309504 13265932288 14459443712 15338734208 16525078528 17529981952 17735411428 20269041632 21568956416 23164619008 28918887424 30677468416 35059963904 35470822856 40538083264 43137912832 46329238016 57837774848 61354936832 70119927808 70941645712 81076166528 92658476032 115675549696 122709873664 141883291424 162152333056 185316952064 245419747328 283766582848 324304666112 370633904128 490839494656 567533165696 648609332224 1135066331392 1297218664448 2270132662784 2594437328896 4540265325568 9080530651136 18161061302272
• Sum of all divisors σ(n): 43800131760084
• Sum of proper divisors (its aliquot sum) s(n): 25639070457812
• 18161061302272 is an abundant number, because the sum of its proper divisors (25639070457812) is greater than itself. Its abundance is 7478009155540

Bases of 18161061302272

• Binary: 100001000010001110011100110111001000000000000₂
• Hexadecimal: 0x1084739B9000
• Base-36: 6FR2QZT34

Squares and roots of 18161061302272

• 18161061302272 squared (18161061302272²) is 329824147624881552552361984
• 18161061302272 cubed (18161061302272³) is 5989956563985083744546348338612585627648
• The square root of 18161061302272 is 4261579.6721722803
• The cube root of 18161061302272 is 26285.3486236707

Scales and comparisons

• 18,161,061,302,272 seconds is equal to 577,465 years, 29 weeks, 5 days, 18 hours, 37 minutes, 52 seconds.
• To count from 1 to 18,161,061,302,272 would take you about one million, four hundred forty-three thousand, six hundred sixty-three 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 18161061302272 cubic inches would be around 2190.4 feet tall.

Recreational maths with 18161061302272

• 18161061302272 backwards is 27220316016181
• The number of decimal digits it has is: 14
• The sum of 18161061302272's digits is 40
• More coming soon!