221665213440

Names of 221665213440

• Cardinal: 221665213440 can be written as Two hundred twenty-one billion, six hundred sixty-five million, two hundred thirteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.2166521344 × 10¹¹

Factors of 221665213440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 145792

Divisors of 221665213440

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 128 132 135 144 160 165 176 180 192 198 216 220 240 256 264 270 288 297 320 330 352 360 384 396 432 440 480 495 512 528 540 576 594 640 660 704 720 768 792 864 880 960 990 1024 1056 1080 1152 1188 1280 1320 1408 1440 1485 1536 1584 1728 1760 1920 1980 2112 2160 2304 2376 2560 2640 2816 2880 2970 3072 3168 3456 3520 3840 3960 4224 4320 4608 4752 5120 5280 5632 5760 5940 6336 6912 7040 7680 7920 8448 8640 9216 9504 10560 11264 11520 11880 12672 13824 14080 15360 15840 16896 17280 19008 21120 23040 23760 25344 27648 28160 31680 33792 34560 38016 42240 46080 47520 50688 56320 63360 69120 76032 84480 95040 101376 126720 138240 145771 152064 168960 190080 253440 291542 304128 380160 437313 506880 583084 728855 760320 874626 1166168 1311939 1457710 1520640 1603481 1749252 2186565 2332336 2623878 2915420 3206962 3498504 3935817 4373130 4664672 4810443 5247756 5830840 6413924 6559695 6997008 7871634 8017405 8746260 9329344 9620886 10495512 11661680 12827848 13119390 13994016 14431329 15743268 16034810 17492520 18658688 19241772 19679085 20991024 23323360 24052215 25655696 26238780 27988032 28862658 31486536 32069620 34985040 37317376 38483544 39358170 41982048 43293987 46646720 48104430 51311392 52477560 55976064 57725316 62973072 64139240 69970080 72156645 74634752 76967088 78716340 83964096 86587974 93293440 96208860 102622784 104955120 111952128 115450632 125946144 128278480 139940160 144313290 149269504 153934176 157432680 167928192 173175948 186586880 192417720 205245568 209910240 216469935 223904256 230901264 251892288 256556960 279880320 288626580 307868352 314865360 335856384 346351896 373173760 384835440 410491136 419820480 432939870 447808512 461802528 503784576 513113920 559760640 577253160 615736704 629730720 671712768 692703792 746347520 769670880 820982272 839640960 865879740 923605056 1007569152 1026227840 1119521280 1154506320 1231473408 1259461440 1343425536 1385407584 1539341760 1641964544 1679281920 1731759480 1847210112 2015138304 2052455680 2239042560 2309012640 2462946816 2518922880 2770815168 3078683520 3358563840 3463518960 3694420224 4030276608 4104911360 4618025280 4925893632 5037845760 5541630336 6157367040 6717127680 6927037920 7388840448 8209822720 9236050560 10075691520 11083260672 12314734080 13854075840 14777680896 18472101120 20151383040 22166521344 24629468160 27708151680 36944202240 44333042688 55416303360 73888404480 110832606720 221665213440
• Sum of all divisors σ(n): 859378417920
• Sum of proper divisors (its aliquot sum) s(n): 637713204480
• 221665213440 is an abundant number, because the sum of its proper divisors (637713204480) is greater than itself. Its abundance is 416047991040

Bases of 221665213440

• Binary: 11001110011100010001101011110000000000₂
• Hexadecimal: 0x339C46BC00
• Base-36: 2TTXQTC0

Squares and roots of 221665213440

• 221665213440 squared (221665213440²) is 49135466849400756633600
• 221665213440 cubed (221665213440³) is 10891623746646463055284439875584000
• The square root of 221665213440 is 470813.3530816645
• The cube root of 221665213440 is 6052.0036479007

Scales and comparisons

• 221,665,213,440 seconds is equal to 7,048 years, 13 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 221,665,213,440 would take you about fourteen thousand and ninety-six 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 221665213440 cubic inches would be around 504.3 feet tall.

Recreational maths with 221665213440

• 221665213440 backwards is 044312566122
• 221665213440 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221665213440's digits is 36
• More coming soon!