221181369920

Names of 221181369920

• Cardinal: 221181369920 can be written as Two hundred twenty-one billion, one hundred eighty-one million, three hundred sixty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.2118136992 × 10¹¹

Factors of 221181369920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2051

Divisors of 221181369920

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 109 112 140 160 218 224 280 320 436 448 545 560 763 811 872 1090 1117 1120 1526 1622 1744 2180 2234 2240 3052 3244 3488 3815 4055 4360 4468 5585 5677 6104 6488 6976 7630 7819 8110 8720 8936 11170 11354 12208 12976 15260 15638 16220 17440 17872 22340 22708 24416 25952 28385 30520 31276 32440 34880 35744 39095 44680 45416 48832 51904 56770 61040 62552 64880 71488 78190 88399 89360 90832 113540 121753 122080 125104 129760 156380 176798 178720 181664 227080 243506 244160 250208 259520 312760 353596 357440 363328 441995 454160 487012 500416 608765 618793 625520 707192 852271 883990 905887 908320 974024 1217530 1237586 1251040 1414384 1704542 1767980 1811774 1816640 1948048 2435060 2475172 2502080 2828768 3093965 3409084 3535960 3623548 3896096 4261355 4529435 4870120 4950344 5657536 6187930 6341209 6818168 7071920 7247096 7792192 8522710 9058870 9740240 9900688 12375860 12682418 13636336 14143840 14494192 17045420 18117740 19480480 19801376 24751720 25364836 27272672 28287680 28988384 31706045 34090840 36235480 38960960 39602752 49503440 50729672 54545344 57976768 63412090 68181680 72470960 98741683 99006880 101459344 126824180 136363360 144941920 197483366 198013760 202918688 253648360 272726720 289883840 394966732 405837376 493708415 507296720 691191781 789933464 987416830 1014593440 1382383562 1579866928 1974833660 2029186880 2764767124 3159733856 3455958905 3949667320 5529534248 6319467712 6911917810 7899334640 11059068496 13823835620 15798669280 22118136992 27647671240 31597338560 44236273984 55295342480 110590684960 221181369920
• Sum of all divisors σ(n): 608745096960
• Sum of proper divisors (its aliquot sum) s(n): 387563727040
• 221181369920 is an abundant number, because the sum of its proper divisors (387563727040) is greater than itself. Its abundance is 166382357120

Bases of 221181369920

• Binary: 11001101111111011011111101111001000000₂
• Hexadecimal: 0x337F6FDE40
• Base-36: 2TLXODA8

Squares and roots of 221181369920

• 221181369920 squared (221181369920²) is 48921198399687880806400
• 221181369920 cubed (221181369920³) is 10820457680171077177181226303488000
• The square root of 221181369920 is 470299.2344454749
• The cube root of 221181369920 is 6047.5970688191

Scales and comparisons

• 221,181,369,920 seconds is equal to 7,032 years, 45 weeks, 6 days, 13 hours, 25 minutes, 20 seconds.
• To count from 1 to 221,181,369,920 would take you about fourteen thousand and sixty-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 221181369920 cubic inches would be around 504 feet tall.

Recreational maths with 221181369920

• 221181369920 backwards is 029963181122
• The number of decimal digits it has is: 12
• The sum of 221181369920's digits is 44
• More coming soon!