21281614240000

Names of 21281614240000

• Cardinal: 21281614240000 can be written as Twenty-one trillion, two hundred eighty-one billion, six hundred fourteen million, two hundred forty thousand.

Scientific notation

• Scientific notation: 2.128161424 × 10¹³

Factors of 21281614240000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 633

Divisors of 21281614240000

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 32 38 40 50 64 76 80 95 100 125 128 152 160 190 200 250 256 304 320 361 380 400 475 500 607 608 625 640 722 760 800 950 1000 1214 1216 1250 1280 1444 1520 1600 1805 1900 2000 2375 2428 2432 2500 2888 3035 3040 3200 3610 3800 4000 4750 4856 4864 5000 5776 6070 6080 6400 7220 7600 8000 9025 9500 9712 10000 11533 11552 11875 12140 12160 14440 15175 15200 16000 18050 19000 19424 20000 23066 23104 23750 24280 24320 28880 30350 30400 32000 36100 38000 38848 40000 45125 46132 46208 47500 48560 57665 57760 60700 60800 72200 75875 76000 77696 80000 90250 92264 92416 95000 97120 115330 115520 121400 121600 144400 151750 152000 155392 160000 180500 184528 190000 194240 219127 225625 230660 231040 242800 288325 288800 303500 304000 361000 368449 369056 379375 380000 388480 438254 451250 461320 462080 485600 576650 577600 607000 608000 722000 736898 738112 758750 760000 776960 876508 902500 922640 971200 1095635 1153300 1155200 1214000 1441625 1444000 1473796 1476224 1517500 1520000 1753016 1805000 1842245 1845280 1942400 2191270 2306600 2310400 2428000 2883250 2888000 2947592 2952448 3035000 3040000 3506032 3610000 3684490 3690560 3884800 4382540 4613200 4856000 5478175 5766500 5776000 5895184 6070000 7000531 7012064 7208125 7220000 7368980 7381120 8765080 9211225 9226400 9712000 10956350 11533000 11552000 11790368 12140000 14001062 14024128 14416250 14440000 14737960 14762240 17530160 18422450 18452800 19424000 21912700 23066000 23580736 24280000 27390875 28002124 28048256 28832500 28880000 29475920 35002655 35060320 36844900 36905600 43825400 46056125 46132000 47161472 48560000 54781750 56004248 56096512 57665000 57760000 58951840 70005310 70120640 73689800 73811200 87650800 92112250 92264000 94322944 97120000 109563500 112008496 115330000 117903680 133010089 136954375 140010620 140241280 147379600 175013275 175301600 184224500 184528000 219127000 224016992 230280625 230660000 235807360 266020178 273908750 280021240 280482560 294759200 350026550 350603200 368449000 369056000 438254000 448033984 460561250 461320000 471614720 532040356 547817500 560042480 589518400 665050445 700053100 701206400 736898000 875066375 876508000 896067968 921122500 922640000 1064080712 1095635000 1120084960 1179036800 1330100890 1400106200 1402412800 1473796000 1750132750 1753016000 1792135936 1842245000 1845280000 2128161424 2191270000 2240169920 2358073600 2660201780 2800212400 2947592000 3325252225 3500265500 3506032000 3684490000 4256322848 4375331875 4382540000 4480339840 5320403560 5600424800 5895184000 6650504450 7000531000 7012064000 7368980000 8512645696 8750663750 8765080000 8960679680 10640807120 11200849600 11790368000 13301008900 14001062000 14737960000 16626261125 17025291392 17501327500 17530160000 21281614240 22401699200 26602017800 28002124000 29475920000 33252522250 34050582784 35002655000 35060320000 42563228480 44803398400 53204035600 56004248000 58951840000 66505044500 70005310000 83131305625 85126456960 106408071200 112008496000 133010089000 140010620000 166262611250 170252913920 212816142400 224016992000 266020178000 280021240000 332525222500 425632284800 532040356000 560042480000 665050445000 851264569600 1064080712000 1120084960000 1330100890000 2128161424000 2660201780000 4256322848000 5320403560000 10640807120000 21281614240000
• Sum of all divisors σ(n): 56116471658247
• Sum of proper divisors (its aliquot sum) s(n): 34834857418247
• 21281614240000 is an abundant number, because the sum of its proper divisors (34834857418247) is greater than itself. Its abundance is 13553243178247

Bases of 21281614240000

• Binary: 100110101101100000011000011101001100100000000₂
• Hexadecimal: 0x135B030E9900
• Base-36: 7JKMZN5Z4

Squares and roots of 21281614240000

• 21281614240000 squared (21281614240000²) is 452907104660170777600000000
• 21281614240000 cubed (21281614240000³) is 9638594287933060781404033024000000000000
• 21281614240000 is a perfect square number. Its square root is 4613200
• The cube root of 21281614240000 is 27712.0203275109

Scales and comparisons

• 21,281,614,240,000 seconds is equal to 676,689 years, 26 weeks, 1 day, 15 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,281,614,240,000 would take you about one million, six hundred ninety-one thousand, seven hundred twenty-three 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 21281614240000 cubic inches would be around 2309.3 feet tall.

Recreational maths with 21281614240000

• 21281614240000 backwards is 00004241618212
• The number of decimal digits it has is: 14
• The sum of 21281614240000's digits is 31
• More coming soon!