18012920951849600

Names of 18012920951849600

• Cardinal: 18012920951849600 can be written as Eighteen quadrillion, twelve trillion, nine hundred twenty billion, nine hundred fifty-one million, eight hundred forty-nine thousand, six hundred.

Scientific notation

• Scientific notation: 1.80129209518496 × 10¹⁶

Factors of 18012920951849600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 887952

Divisors of 18012920951849600

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 98 100 112 128 140 160 175 196 200 224 245 280 320 350 392 400 448 490 560 640 700 784 800 896 980 1120 1225 1400 1568 1600 1960 2240 2450 2800 3136 3200 3920 4480 4900 5600 6272 7840 9800 11200 15680 19600 22400 31360 39200 78400 156800 157211 314422 628844 730727 786055 1100477 1257688 1461454 1572110 2200954 2515376 2922908 3144220 3653635 3930275 4401908 5030752 5115089 5502385 5845816 6288440 7307270 7703339 7860550 8803816 10061504 10230178 11004770 11691632 12576880 14614540 15406678 15721100 17607632 18268175 20123008 20460356 22009540 23383264 25153760 25575445 27511925 29229080 30813356 31442200 35215264 35805623 36536350 38516695 40920712 44019080 46766528 50307520 51150890 55023850 58458160 61626712 62884400 70430528 71611246 73072700 77033390 81841424 88038160 93533056 100615040 102301780 110047700 116916320 123253424 125768800 127877225 140861056 143222492 146145400 154066780 163682848 176076320 179028115 192583475 204603560 220095400 233832640 246506848 251537600 255754450 286444984 292290800 308133560 327365696 352152640 358056230 385166950 409207120 440190800 467665280 493013696 503075200 511508900 572889968 584581600 616267120 654731392 704305280 716112460 770333900 818414240 880381600 895140575 986027392 1023017800 1145779936 1169163200 1232534240 1432224920 1540667800 1636828480 1760763200 1790281150 2046035600 2291559872 2338326400 2465068480 2864449840 3081335600 3273656960 3521526400 3580562300 4092071200 4583119744 4930136960 5728899680 6162671200 7161124600 8184142400 11457799360 12325342400 14322249200 16368284800 22915598720 24650684800 28644498400 57288996800 114577993600 114878322397 229756644794 459513289588 574391611985 804148256779 919026579176 1148783223970 1608296513558 1838053158352 2297566447940 2871958059925 3216593027116 3676106316704 4020741283895 4595132895880 5629037797453 5743916119850 6433186054232 7352212633408 8041482567790 9190265791760 11258075594906 11487832239700 12866372108464 14704425266816 16082965135580 18380531583520 20103706419475 22516151189812 22975664479400 25732744216928 28145188987265 32165930271160 36761063167040 40207412838950 45032302379624 45951328958800 51465488433856 56290377974530 64331860542320 73522126334080 80414825677900 90064604759248 91902657917600 102930976867712 112580755949060 128663721084640 140725944936325 160829651355800 180129209518496 183805315835200 225161511898120 257327442169280 281451889872650 321659302711600 360258419036992 367610631670400 450323023796240 514654884338560 562903779745300 643318605423200 720516838073984 900646047592480 1125807559490600 1286637210846400 1801292095184960 2251615118981200 2573274421692800 3602584190369920 4503230237962400 9006460475924800 18012920951849600
• Sum of all divisors σ(n): 51762848989246560
• Sum of proper divisors (its aliquot sum) s(n): 33749928037396960
• 18012920951849600 is an abundant number, because the sum of its proper divisors (33749928037396960) is greater than itself. Its abundance is 15737007085547360

Bases of 18012920951849600

• Binary: 111111111111101010011111111010101100111100001010000000₂
• Hexadecimal: 0x3FFEA7FAB3C280
• Base-36: 4XD1PNAW77K

Squares and roots of 18012920951849600

• 18012920951849600 squared (18012920951849600²) is 324465321217582299681661020160000
• 18012920951849600 cubed (18012920951849600³) is 5844568182708798772409010342329636574887936000000
• The square root of 18012920951849600 is 134212223.5560144499
• The cube root of 18012920951849600 is 262136.8327062365

Scales and comparisons

• 18,012,920,951,849,600 seconds is equal to 572,755,168 years, 33 weeks, 4 days, 3 hours, 33 minutes, 20 seconds.
• To count from 1 to 18,012,920,951,849,600 would take you about one billion, seven hundred eighteen million, two hundred sixty-five thousand, five hundred five 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 18012920951849600 cubic inches would be around 21844.7 feet tall.

Recreational maths with 18012920951849600

• 18012920951849600 backwards is 00694815902921081
• The number of decimal digits it has is: 17
• The sum of 18012920951849600's digits is 65
• More coming soon!