11991188040

Names of 11991188040

• Cardinal: 11991188040 can be written as Eleven billion, nine hundred ninety-one million, one hundred eighty-eight thousand and forty.

Scientific notation

• Scientific notation: 1.199118804 × 10¹⁰

Factors of 11991188040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3132

Divisors of 11991188040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 19 20 24 26 30 38 39 40 52 57 60 65 76 78 95 104 114 120 130 137 152 156 190 195 228 247 260 274 285 312 380 390 411 456 494 520 548 570 685 741 760 780 822 988 1096 1140 1235 1370 1482 1560 1644 1781 1976 2055 2280 2470 2603 2740 2953 2964 3288 3562 3705 4110 4940 5206 5343 5480 5906 5928 7124 7410 7809 8220 8859 8905 9880 10412 10686 11812 13015 14248 14765 14820 15618 16440 17718 17810 20824 21372 23624 26030 26715 29530 29640 31236 33839 35436 35620 38389 39045 42744 44295 52060 53430 56107 59060 62472 67678 70872 71240 76778 78090 88590 101517 104120 106860 112214 115167 118120 135356 153556 156180 168321 169195 177180 191945 203034 213720 224428 230334 270712 280535 307112 312360 336642 338390 354360 383890 404561 406068 448856 460668 507585 561070 575835 673284 676780 729391 767780 809122 812136 841605 921336 1015170 1122140 1151670 1213683 1346568 1353560 1458782 1535560 1618244 1683210 2022805 2030340 2188173 2244280 2303340 2427366 2917564 3236488 3366420 3646955 4045610 4060680 4376346 4606680 4854732 5259293 5835128 6068415 6732840 7293910 7686659 8091220 8752692 9709464 10518586 10940865 12136830 14587820 15373318 15777879 16182440 17505384 21037172 21881730 23059977 24273660 26296465 29175640 30746636 31555758 38433295 42074344 43763460 46119954 48547320 52592930 61493272 63111516 76866590 78889395 87526920 92239908 99926567 105185860 115299885 126223032 153733180 157778790 184479816 199853134 210371720 230599770 299779701 307466360 315557580 399706268 461199540 499632835 599559402 631115160 799412536 922399080 999265670 1199118804 1498898505 1998531340 2398237608 2997797010 3997062680 5995594020 11991188040
• Sum of all divisors σ(n): 41091321600
• Sum of proper divisors (its aliquot sum) s(n): 29100133560
• 11991188040 is an abundant number, because the sum of its proper divisors (29100133560) is greater than itself. Its abundance is 17108945520

Bases of 11991188040

• Binary: 1011001010101110110000001001001000₂
• Hexadecimal: 0x2CABB0248
• Base-36: 5IB8RWO

Squares and roots of 11991188040

• 11991188040 squared (11991188040²) is 143788590610639041600
• 11991188040 cubed (11991188040³) is 1724196028018751172390982464000
• The square root of 11991188040 is 109504.2832039001
• The cube root of 11991188040 is 2288.8679492049

Scales and comparisons

• 11,991,188,040 seconds is equal to 381 years, 14 weeks, 4 days, 21 hours, 34 minutes.
• To count from 1 to 11,991,188,040 would take you about seven hundred sixty-two 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 11991188040 cubic inches would be around 190.7 feet tall.

Recreational maths with 11991188040

• 11991188040 backwards is 04088119911
• The number of decimal digits it has is: 11
• The sum of 11991188040's digits is 42
• More coming soon!