181400273940

Names of 181400273940

• Cardinal: 181400273940 can be written as One hundred eighty-one billion, four hundred million, two hundred seventy-three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.8140027394 × 10¹¹

Factors of 181400273940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3968

Divisors of 181400273940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 29 30 31 58 60 62 87 93 116 124 145 155 174 186 290 310 348 372 435 465 580 620 870 899 930 1289 1740 1798 1860 2578 2609 2697 3596 3867 4495 5156 5218 5394 6445 7734 7827 8990 10436 10788 12890 13045 13485 15468 15654 17980 19335 25780 26090 26970 31308 37381 38670 39135 39959 52180 53940 74762 75661 77340 78270 79918 80879 112143 119877 149524 151322 156540 159836 161758 186905 199795 224286 226983 239754 242637 302644 323516 373810 378305 399590 404395 448572 453966 479508 485274 560715 599385 747620 756610 799180 808790 907932 970548 1121430 1134915 1158811 1198770 1213185 1513220 1617580 2242860 2269830 2317622 2345491 2397540 2426370 3363001 3476433 4539660 4635244 4690982 4852740 5794055 6726002 6952866 7036473 9381964 10089003 11588110 11727455 13452004 13905732 14072946 16815005 17382165 20178006 23176220 23454910 28145892 33630010 34764330 35182365 40356012 46909820 50445015 67260020 69528660 70364730 97527029 100890030 104253031 140729460 195054058 201780060 208506062 292581087 312759093 390108116 417012124 487635145 521265155 585162174 625518186 975270290 1042530310 1170324348 1251036372 1462905435 1563795465 1950540580 2085060620 2925810870 3023337899 3127590930 5851621740 6046675798 6255181860 9070013697 12093351596 15116689495 18140027394 30233378990 36280054788 45350068485 60466757980 90700136970 181400273940
• Sum of all divisors σ(n): 543013632000
• Sum of proper divisors (its aliquot sum) s(n): 361613358060
• 181400273940 is an abundant number, because the sum of its proper divisors (361613358060) is greater than itself. Its abundance is 180213084120

Bases of 181400273940

• Binary: 10101000111100010011001000010000010100₂
• Hexadecimal: 0x2A3C4C8414
• Base-36: 2BC11F6C

Squares and roots of 181400273940

• 181400273940 squared (181400273940²) is 32906059385507043123600
• 181400273940 cubed (181400273940³) is 5969168186816885688420433278984000
• The square root of 181400273940 is 425911.1103739841
• The cube root of 181400273940 is 5660.8195729541

Scales and comparisons

• 181,400,273,940 seconds is equal to 5,767 years, 50 weeks, 2 days, 4 hours, 59 minutes.
• To count from 1 to 181,400,273,940 would take you about eleven thousand, five hundred thirty-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 181400273940 cubic inches would be around 471.7 feet tall.

Recreational maths with 181400273940

• 181400273940 backwards is 049372004181
• The number of decimal digits it has is: 12
• The sum of 181400273940's digits is 39
• More coming soon!