18091748989080

Names of 18091748989080

• Cardinal: 18091748989080 can be written as Eighteen trillion, ninety-one billion, seven hundred forty-eight million, nine hundred eighty-nine thousand and eighty.

Scientific notation

• Scientific notation: 1.809174898908 × 10¹³

Factors of 18091748989080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16040755

Divisors of 18091748989080

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 241 260 312 360 390 468 482 520 585 723 780 936 964 1170 1205 1446 1560 1928 2169 2340 2410 2892 3133 3615 4338 4680 4820 5784 6266 7230 8676 9399 9640 10845 12532 14460 15665 17352 18798 21690 25064 28197 28920 31330 37596 43380 46995 56394 62660 75192 86760 93990 112788 125320 140985 187980 225576 281970 375960 563940 1127880 16040491 32080982 48121473 64161964 80202455 96242946 128323928 144364419 160404910 192485892 208526383 240607365 288728838 320809820 384971784 417052766 481214730 577457676 625579149 641619640 721822095 834105532 962429460 1042631915 1154915352 1251158298 1443644190 1668211064 1876737447 1924858920 2085263830 2502316596 2887288380 3127895745 3753474894 3865758331 4170527660 5004633192 5774576760 6255791490 7506949788 7731516662 8341055320 9383687235 11597274993 12511582980 15013899576 15463033324 18767374470 19328791655 23194549986 25023165960 30926066648 34791824979 37534748940 38657583310 46389099972 50254858303 57986374965 69583649958 75069497880 77315166620 92778199944 100509716606 115972749930 139167299916 150764574909 154630333240 173959124895 201019433212 231945499860 251274291515 278334599832 301529149818 347918249790 402038866424 452293724727 463890999720 502548583030 603058299636 695836499580 753822874545 904587449454 1005097166060 1206116599272 1391672999160 1507645749090 1809174898908 2010194332120 2261468623635 3015291498180 3618349797816 4522937247270 6030582996360 9045874494540 18091748989080
• Sum of all divisors σ(n): 63583868668320
• Sum of proper divisors (its aliquot sum) s(n): 45492119679240
• 18091748989080 is an abundant number, because the sum of its proper divisors (45492119679240) is greater than itself. Its abundance is 27400370690160

Bases of 18091748989080

• Binary: 100000111010001010000010001011001100010011000₂
• Hexadecimal: 0x107450459898
• Base-36: 6EV8G8DY0

Squares and roots of 18091748989080

• 18091748989080 squared (18091748989080²) is 327311381483877201959246400
• 18091748989080 cubed (18091748989080³) is 5921635355075313598865055052558629312000
• The square root of 18091748989080 is 4253439.6656212251
• The cube root of 18091748989080 is 26251.8663472797

Scales and comparisons

• 18,091,748,989,080 seconds is equal to 575,261 years, 34 weeks, 22 hours, 18 minutes.
• To count from 1 to 18,091,748,989,080 would take you about one million, four hundred thirty-eight thousand, one hundred fifty-four 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 18091748989080 cubic inches would be around 2187.7 feet tall.

Recreational maths with 18091748989080

• 18091748989080 backwards is 08098984719081
• 18091748989080 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18091748989080's digits is 72
• More coming soon!