21381671936000

Names of 21381671936000

• Cardinal: 21381671936000 can be written as Twenty-one trillion, three hundred eighty-one billion, six hundred seventy-one million, nine hundred thirty-six thousand.

Scientific notation

• Scientific notation: 2.1381671936 × 10¹³

Factors of 21381671936000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 72275

Divisors of 21381671936000

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 125 128 136 160 170 200 250 256 272 289 320 340 400 425 500 512 544 578 640 680 800 850 1000 1024 1088 1156 1280 1360 1445 1600 1700 2000 2048 2125 2176 2312 2560 2720 2890 3200 3400 4000 4096 4250 4352 4624 5120 5440 5780 6400 6800 7225 8000 8192 8500 8704 9248 10240 10880 11560 12800 13600 14450 16000 17000 17408 18496 20480 21760 23120 25600 27200 28900 32000 34000 34816 36125 36992 40960 43520 46240 51200 54400 57800 64000 68000 69632 72250 72251 73984 87040 92480 102400 108800 115600 128000 136000 139264 144500 144502 147968 174080 184960 204800 217600 231200 256000 272000 289000 289004 295936 348160 361255 369920 435200 462400 512000 544000 578000 578008 591872 696320 722510 739840 870400 924800 1024000 1088000 1156000 1156016 1183744 1228267 1445020 1479680 1740800 1806275 1849600 2176000 2312000 2312032 2367488 2456534 2890040 2959360 3481600 3612550 3699200 4352000 4624000 4624064 4913068 5780080 5918720 6141335 7225100 7398400 8704000 9031375 9248000 9248128 9826136 11560160 11837440 12282670 14450200 14796800 17408000 18062750 18496000 18496256 19652272 20880539 23120320 24565340 28900400 29593600 30706675 36125500 36992000 36992512 39304544 41761078 46240640 49130680 57800800 59187200 61413350 72251000 73984000 73985024 78609088 83522156 92481280 98261360 104402695 115601600 122826700 144502000 147968000 147970048 153533375 157218176 167044312 184962560 196522720 208805390 231203200 245653400 289004000 295936000 295940096 307066750 314436352 334088624 369925120 393045440 417610780 462406400 491306800 522013475 578008000 591880192 614133500 628872704 668177248 739850240 786090880 835221560 924812800 982613600 1044026950 1156016000 1228267000 1257745408 1336354496 1479700480 1572181760 1670443120 1849625600 1965227200 2088053900 2312032000 2456534000 2515490816 2610067375 2672708992 2959400960 3144363520 3340886240 3699251200 3930454400 4176107800 4624064000 4913068000 5030981632 5220134750 5345417984 6288727040 6681772480 7398502400 7860908800 8352215600 9248128000 9826136000 10061963264 10440269500 10690835968 12577454080 13363544960 14797004800 15721817600 16704431200 18496256000 19652272000 20880539000 21381671936 25154908160 26727089920 31443635200 33408862400 36992512000 39304544000 41761078000 42763343872 50309816320 53454179840 62887270400 66817724800 73985024000 78609088000 83522156000 85526687744 106908359680 125774540800 133635449600 157218176000 167044312000 171053375488 213816719360 251549081600 267270899200 314436352000 334088624000 427633438720 534541798400 628872704000 668177248000 855266877440 1069083596800 1257745408000 1336354496000 2138167193600 2672708992000 4276334387200 5345417984000 10690835968000 21381671936000
• Sum of all divisors σ(n): 56689976680272
• Sum of proper divisors (its aliquot sum) s(n): 35308304744272
• 21381671936000 is an abundant number, because the sum of its proper divisors (35308304744272) is greater than itself. Its abundance is 13926632808272

Bases of 21381671936000

• Binary: 100110111001001001110111101011110000000000000₂
• Hexadecimal: 0x13724EF5E000
• Base-36: 7KULREUBK

Squares and roots of 21381671936000

• 21381671936000 squared (21381671936000²) is 457175894778729988096000000
• 21381671936000 cubed (21381671936000³) is 9775184999206059916193857273856000000000
• The square root of 21381671936000 is 4624031.9998892741
• The cube root of 21381671936000 is 27755.3827443721

Scales and comparisons

• 21,381,671,936,000 seconds is equal to 679,871 years, 1 week, 3 days, 19 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,381,671,936,000 would take you about one million, six hundred ninety-nine thousand, six hundred seventy-seven 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 21381671936000 cubic inches would be around 2312.9 feet tall.

Recreational maths with 21381671936000

• 21381671936000 backwards is 00063917618312
• The number of decimal digits it has is: 14
• The sum of 21381671936000's digits is 47
• More coming soon!