18994761991744

Names of 18994761991744

• Cardinal: 18994761991744 can be written as Eighteen trillion, nine hundred ninety-four billion, seven hundred sixty-one million, nine hundred ninety-one thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 1.8994761991744 × 10¹³

Factors of 18994761991744

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 337

Divisors of 18994761991744

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 121 154 176 224 242 308 317 352 448 484 616 634 704 847 968 1232 1268 1331 1694 1936 2219 2464 2536 2662 3388 3487 3872 4438 4928 5072 5324 6776 6974 7744 8876 9317 10144 10648 13552 13948 17752 18634 20288 21296 24409 27104 27896 35504 37268 38357 42592 48818 54208 55792 71008 74536 76714 85184 97636 100489 111584 142016 149072 153428 195272 200978 223168 268499 298144 306856 390544 401956 421927 536998 596288 613712 703423 781088 803912 843854 1073996 1105379 1227424 1406846 1562176 1607824 1687708 2147992 2210758 2454848 2813692 2953489 3215648 3375416 4295984 4421516 5627384 5906978 6431296 6750832 7737653 8591968 8843032 11254768 11813956 12159169 13501664 15475306 17183936 17686064 22509536 23627912 24318338 27003328 30950612 31855013 35372128 45019072 47255824 48636676 61901224 63710026 70744256 85114183 94511648 97273352 123802448 127420052 133750859 170228366 189023296 194546704 222985091 247604896 254840104 267501718 340456732 350405143 389093408 445970182 495209792 509680208 535003436 680913464 700810286 778186816 891940364 936256013 1019360416 1070006872 1361826928 1401620572 1783880728 1872512026 2038720832 2140013744 2452836001 2723653856 2803241144 3567761456 3745024052 3854456573 4280027488 4905672002 5447307712 5606482288 7135522912 7490048104 7708913146 8560054976 9811344004 11212964576 14271045824 14980096208 15417826292 19622688008 22425929152 26981196011 29960192416 30835652584 39245376016 42399022303 53962392022 59920384832 61671305168 78490752032 84798044606 107924784044 123342610336 156981504064 169596089212 215849568088 246685220672 296793156121 339192178424 431699136176 593586312242 678384356848 863398272352 1187172624484 1356768713696 1726796544704 2374345248968 2713537427392 4748690497936 9497380995872 18994761991744
• Sum of all divisors σ(n): 47531853607680
• Sum of proper divisors (its aliquot sum) s(n): 28537091615936
• 18994761991744 is an abundant number, because the sum of its proper divisors (28537091615936) is greater than itself. Its abundance is 9542329624192

Bases of 18994761991744

• Binary: 100010100011010010000000010101000011001000000₂
• Hexadecimal: 0x1146900A8640
• Base-36: 6QE2MUY4G

Squares and roots of 18994761991744

• 18994761991744 squared (18994761991744²) is 360800983123002489924161536
• 18994761991744 cubed (18994761991744³) is 6853328800808676104853337869060554358784
• The square root of 18994761991744 is 4358298.0613702867
• The cube root of 18994761991744 is 26681.5641373093

Scales and comparisons

• 18,994,761,991,744 seconds is equal to 603,974 years, 35 weeks, 1 day, 7 hours, 29 minutes, 4 seconds.
• To count from 1 to 18,994,761,991,744 would take you about one million, five hundred nine thousand, nine hundred thirty-six 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 18994761991744 cubic inches would be around 2223.5 feet tall.

Recreational maths with 18994761991744

• 18994761991744 backwards is 44719916749981
• The number of decimal digits it has is: 14
• The sum of 18994761991744's digits is 79
• More coming soon!