18401286982940

Names of 18401286982940

• Cardinal: 18401286982940 can be written as Eighteen trillion, four hundred one billion, two hundred eighty-six million, nine hundred eighty-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.840128698294 × 10¹³

Factors of 18401286982940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10490

Divisors of 18401286982940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 20 23 37 43 46 74 86 92 115 148 172 185 215 230 370 430 460 740 851 860 989 1591 1702 1978 3182 3404 3851 3956 4255 4945 6364 6529 7702 7955 8510 9890 13058 15404 15910 17020 19255 19780 26116 31820 32645 36593 38510 65290 73186 77020 88573 130580 142487 146372 150167 165593 177146 182965 241573 280747 284974 300334 331186 354292 365930 442865 483146 561494 569948 600668 662372 712435 731860 750835 827965 885730 966292 1122988 1207865 1403735 1424870 1501670 1655930 1771460 2415730 2807470 2849740 3003340 3277201 3311860 3808639 4831460 5556179 5614940 6126941 6457181 6554402 7617278 10387639 11112358 12253882 12914362 13108804 15234556 16386005 19043195 20775278 22224716 24507764 25143179 25828724 27780895 30634705 32285905 32772010 38086390 41550556 50286358 51938195 55561790 61269410 64571810 65544020 76172780 100572716 103876390 111123580 122538820 125715895 129143620 140919643 207752780 238915697 251431790 281839286 477831394 502863580 563678572 578293117 704598215 930297623 955662788 1081156697 1156586234 1194578485 1409196430 1860595246 2162313394 2313172468 2389156970 2818392860 2891465585 3721190492 4324626788 4651488115 4778313940 5405783485 5782931170 9302976230 10811566970 11565862340 18605952460 21396845329 21623133940 24866604031 40002797789 42793690658 49733208062 80005595578 85587381316 99466416124 106984226645 124333020155 160011191156 200013988945 213968453290 248666040310 400027977890 427936906580 497332080620 800055955780 920064349147 1840128698294 3680257396588 4600321745735 9200643491470 18401286982940
• Sum of all divisors σ(n): 42393206338560
• Sum of proper divisors (its aliquot sum) s(n): 23991919355620
• 18401286982940 is an abundant number, because the sum of its proper divisors (23991919355620) is greater than itself. Its abundance is 5590632372680

Bases of 18401286982940

• Binary: 100001011110001100010001011001000110100011100₂
• Hexadecimal: 0x10BC622C8D1C
• Base-36: 6ITFN5UL8

Squares and roots of 18401286982940

• 18401286982940 squared (18401286982940²) is 338607362628517087851043600
• 18401286982940 cubed (18401286982940³) is 6230811254263775711508765014374396184000
• The square root of 18401286982940 is 4289672.1300048095
• The cube root of 18401286982940 is 26400.7379380027

Scales and comparisons

• 18,401,286,982,940 seconds is equal to 585,104 years, 2 days, 14 hours, 22 minutes, 20 seconds.
• To count from 1 to 18,401,286,982,940 would take you about one million, four hundred sixty-two thousand, seven hundred sixty 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 18401286982940 cubic inches would be around 2200.1 feet tall.

Recreational maths with 18401286982940

• 18401286982940 backwards is 04928968210481
• The number of decimal digits it has is: 14
• The sum of 18401286982940's digits is 62
• More coming soon!