243138319920

Names of 243138319920

• Cardinal: 243138319920 can be written as Two hundred forty-three billion, one hundred thirty-eight million, three hundred nineteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.4313831992 × 10¹¹

Factors of 243138319920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 46805

Divisors of 243138319920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 36 38 40 45 48 54 57 60 72 76 80 90 95 108 114 120 127 135 144 152 171 180 190 216 228 240 254 270 285 304 342 360 380 381 432 456 508 513 540 570 635 684 720 760 762 855 912 1016 1026 1080 1140 1143 1270 1368 1520 1524 1710 1905 2032 2052 2160 2280 2286 2413 2540 2565 2736 3048 3420 3429 3810 4104 4560 4572 4826 5080 5130 5715 6096 6840 6858 7239 7620 8208 9144 9652 10160 10260 11430 12065 13680 13716 14478 15240 17145 18288 19304 20520 21717 22860 24130 27432 28956 30480 34290 36195 38608 41040 43434 45720 46649 48260 54864 57912 65151 68580 72390 86868 91440 93298 96520 108585 115824 130302 137160 139947 144780 173736 186596 193040 217170 233245 260604 274320 279894 289560 325755 347472 373192 419841 434340 466490 521208 559788 579120 651510 699735 746384 839682 868680 886331 932980 1042416 1119576 1259523 1303020 1399470 1679364 1737360 1772662 1865960 2099205 2239152 2519046 2606040 2658993 2798940 3358728 3545324 3731920 4198410 4431655 5038092 5212080 5317986 5597880 5924423 6297615 6717456 7090648 7976979 8396820 8863310 10076184 10635972 11195760 11848846 12595230 13294965 14181296 15953958 16793640 17726620 17773269 20152368 21271944 23697692 23930937 25190460 26589930 29622115 31907916 33587280 35453240 35546538 39884895 42543888 47395384 47861874 50380920 53179860 53319807 59244230 63815832 70906480 71093076 79769790 88866345 94790768 95723748 100761840 106359720 106639614 112564037 118488460 119654685 127631664 142186152 159539580 159959421 177732690 191447496 212719440 213279228 225128074 236976920 239309370 266599035 284372304 319079160 319918842 337692111 355465380 382894992 426558456 450256148 473953840 478618740 533198070 562820185 638158320 639837684 675384222 710930760 799797105 853116912 900512296 957237480 1013076333 1066396140 1125640370 1279675368 1350768444 1421861520 1599594210 1688460555 1801024592 1914474960 2026152666 2132792280 2251280740 2559350736 2701536888 3039228999 3199188420 3376921110 4052305332 4265584560 4502561480 5065381665 5403073776 6078457998 6398376840 6753842220 8104610664 9005122960 10130763330 12156915996 12796753680 13507684440 15196144995 16209221328 20261526660 24313831992 27015368880 30392289990 40523053320 48627663984 60784579980 81046106640 121569159960 243138319920
• Sum of all divisors σ(n): 888514560000
• Sum of proper divisors (its aliquot sum) s(n): 645376240080
• 243138319920 is an abundant number, because the sum of its proper divisors (645376240080) is greater than itself. Its abundance is 402237920160

Bases of 243138319920

• Binary: 11100010011100001011000101011000110000₂
• Hexadecimal: 0x389C2C5630
• Base-36: 33P2A0C0

Squares and roots of 243138319920

• 243138319920 squared (243138319920²) is 59116242613520268806400
• 243138319920 cubed (243138319920³) is 14373423909034428034454879743488000
• The square root of 243138319920 is 493090.5798329553
• The cube root of 243138319920 is 6241.4352652629

Scales and comparisons

• 243,138,319,920 seconds is equal to 7,731 years, 2 weeks, 2 days, 22 hours, 12 minutes.
• To count from 1 to 243,138,319,920 would take you about fifteen thousand, four 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 243138319920 cubic inches would be around 520.1 feet tall.

Recreational maths with 243138319920

• 243138319920 backwards is 029913831342
• 243138319920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 243138319920's digits is 45
• More coming soon!