18126453998380

Names of 18126453998380

• Cardinal: 18126453998380 can be written as Eighteen trillion, one hundred twenty-six billion, four hundred fifty-three million, nine hundred ninety-eight thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.812645399838 × 10¹³

Factors of 18126453998380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4570

Divisors of 18126453998380

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 61 65 70 91 98 122 130 140 182 196 244 245 260 305 343 364 427 455 490 610 637 686 793 854 910 941 980 1220 1274 1372 1586 1708 1715 1820 1882 2135 2548 2989 3172 3185 3430 3541 3764 3965 4270 4459 4705 5551 5978 6370 6587 6860 7082 7930 8540 8918 9410 11102 11956 12233 12740 13174 14164 14945 15860 17705 17836 18820 20923 22204 22295 24466 24787 26348 27755 29890 32935 35410 38857 41846 44590 46033 46109 48932 49574 55510 57401 59780 61165 65870 70820 77714 83692 85631 89180 92066 92218 99148 104615 111020 114802 122330 123935 131740 155428 171262 173509 184132 184436 194285 209230 216001 229604 230165 230545 244660 247870 271999 287005 322231 322763 342524 347018 388570 401807 418460 428155 432002 460330 461090 495740 543998 574010 599417 644462 645526 694036 746213 777140 803614 856310 864004 867545 920660 922180 1080005 1087996 1148020 1198834 1214563 1288924 1291052 1359995 1492426 1512007 1607228 1611155 1613815 1712620 1735090 2009035 2160010 2255617 2397668 2429126 2719990 2808013 2812649 2984852 2997085 3024014 3222310 3227630 3332081 3470180 3731065 4018070 4195919 4320020 4511234 4858252 5223491 5439980 5616026 5625298 5994170 6048028 6072815 6444620 6455260 6664162 7462130 7560035 8036140 8391838 9022468 10446982 10584049 11232052 11250596 11278085 11988340 12145630 13328324 14040065 14063245 14924260 15120070 15789319 16660405 16783676 19656091 19688543 20893964 20979595 21168098 22556170 23324567 24291260 26117455 28080130 28126490 30240140 31578638 33320810 36564437 39312182 39377086 41959190 42336196 43317053 45112340 46649134 52234910 52920245 56160260 56252980 63157276 66641620 73128874 74088343 78624364 78754172 78946595 83918380 86634106 93298268 98280455 98442715 104469820 105840490 116622835 137592637 146257748 148176686 157893190 163271969 173268212 182822185 196560910 196885430 203256941 211680980 216585265 233245670 255951059 275185274 296353372 303219371 315786380 326543938 365644370 370441715 393121820 393770860 406513882 433170530 466491340 511902118 550370548 606438742 653087876 687963185 731288740 740883430 813027764 816359845 866341060 963148459 1016284705 1023804236 1142903783 1212877484 1279755295 1375926370 1422798587 1481766860 1516096855 1632719690 1926296918 2032569410 2122535597 2285807566 2559510590 2642340233 2751852740 2845597174 3032193710 3265439380 3852593836 4065138820 4245071194 4571615132 4815742295 5119021180 5284680466 5691194348 5714518915 6064387420 7113992935 8490142388 9631484590 9959590109 10569360932 10612677985 11429037830 13211701165 14227985870 14857749179 18496381631 19262969180 19919180218 21225355970 22858075660 26423402330 28455971740 29715498358 36992763262 39838360436 42450711940 49797950545 52846804660 59430996716 69717130763 73985526524 74288745895 92481908155 99595901090 129474671417 139434261526 148577491790 184963816310 199191802180 258949342834 278868523052 297154983580 348585653815 369927632620 517898685668 647373357085 697171307630 906322699919 1294746714170 1394342615260 1812645399838 2589493428340 3625290799676 4531613499595 9063226999190 18126453998380
• Sum of all divisors σ(n): 48655110873600
• Sum of proper divisors (its aliquot sum) s(n): 30528656875220
• 18126453998380 is an abundant number, because the sum of its proper divisors (30528656875220) is greater than itself. Its abundance is 12402202876840

Bases of 18126453998380

• Binary: 100000111110001100100110110100000001100101100₂
• Hexadecimal: 0x107C64DA032C
• Base-36: 6FB6EP6I4

Squares and roots of 18126453998380

• 18126453998380 squared (18126453998380²) is 328568334555386289042624400
• 18126453998380 cubed (18126453998380³) is 5955778801642539318582109437628548472000
• The square root of 18126453998380 is 4257517.3515066265
• The cube root of 18126453998380 is 26268.6417536373

Scales and comparisons

• 18,126,453,998,380 seconds is equal to 576,365 years, 8 weeks, 5 days, 6 hours, 39 minutes, 40 seconds.
• To count from 1 to 18,126,453,998,380 would take you about one million, four hundred forty thousand, nine hundred twelve 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 18126453998380 cubic inches would be around 2189.1 feet tall.

Recreational maths with 18126453998380

• 18126453998380 backwards is 08389935462181
• The number of decimal digits it has is: 14
• The sum of 18126453998380's digits is 67
• More coming soon!