11981224720

Names of 11981224720

• Cardinal: 11981224720 can be written as Eleven billion, nine hundred eighty-one million, two hundred twenty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.198122472 × 10¹⁰

Factors of 11981224720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2859

Divisors of 11981224720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 31 40 58 61 62 80 116 122 124 145 155 232 244 248 290 305 310 464 488 496 580 610 620 899 976 1160 1220 1240 1769 1798 1891 2320 2440 2480 2731 3538 3596 3782 4495 4880 5462 7076 7192 7564 8845 8990 9455 10924 13655 14152 14384 15128 17690 17980 18910 21848 27310 28304 30256 35380 35960 37820 43696 54620 54839 70760 71920 75640 79199 84661 109240 109678 141520 151280 158398 166591 169322 218480 219356 274195 316796 333182 338644 395995 423305 438712 548390 633592 666364 677288 791990 832955 846610 877424 1096780 1267184 1332728 1354576 1583980 1665910 1693220 2193560 2455169 2665456 3167960 3331820 3386440 4387120 4831139 4910338 5164321 6335920 6663640 6772880 9662278 9820676 10328642 12275845 13327280 19324556 19641352 20657284 24155695 24551690 25821605 38649112 39282704 41314568 48311390 49103380 51643210 77298224 82629136 96622780 98206760 103286420 149765309 193245560 196413520 206572840 299530618 386491120 413145680 599061236 748826545 1198122472 1497653090 2396244944 2995306180 5990612360 11981224720
• Sum of all divisors σ(n): 30245207040
• Sum of proper divisors (its aliquot sum) s(n): 18263982320
• 11981224720 is an abundant number, because the sum of its proper divisors (18263982320) is greater than itself. Its abundance is 6282757600

Bases of 11981224720

• Binary: 1011001010001000101111101100010000₂
• Hexadecimal: 0x2CA22FB10
• Base-36: 5I5B85S

Squares and roots of 11981224720

• 11981224720 squared (11981224720²) is 143549745791139078400
• 11981224720 cubed (11981224720³) is 1719901762822511483084098048000
• The square root of 11981224720 is 109458.7809177501
• The cube root of 11981224720 is 2288.2338434847

Scales and comparisons

• 11,981,224,720 seconds is equal to 380 years, 50 weeks, 1 day, 13 hours, 58 minutes, 40 seconds.
• To count from 1 to 11,981,224,720 would take you about seven hundred sixty-one 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 11981224720 cubic inches would be around 190.7 feet tall.

Recreational maths with 11981224720

• 11981224720 backwards is 02742218911
• The number of decimal digits it has is: 11
• The sum of 11981224720's digits is 37
• More coming soon!