20720081888000

Names of 20720081888000

• Cardinal: 20720081888000 can be written as Twenty trillion, seven hundred twenty billion, eighty-one million, eight hundred eighty-eight thousand.

Scientific notation

• Scientific notation: 2.0720081888 × 10¹³

Factors of 20720081888000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 407

Divisors of 20720081888000

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 125 128 160 176 200 220 250 256 275 320 352 389 400 440 500 550 640 704 778 800 880 1000 1100 1280 1375 1408 1556 1600 1760 1945 2000 2200 2750 2816 3112 3200 3520 3890 4000 4279 4400 5500 6224 6400 7040 7780 8000 8558 8800 9725 11000 12448 14080 15560 16000 17116 17600 19450 21395 22000 24896 31120 32000 34232 35200 38900 42790 44000 48625 49792 62240 68464 70400 77800 85580 88000 97250 99584 106975 124480 136928 151321 155600 171160 176000 194500 213950 248960 273856 302642 311200 342320 352000 389000 427900 497920 534875 547712 605284 622400 684640 756605 778000 855800 1069750 1095424 1210568 1244800 1369280 1513210 1556000 1664531 1711600 2139500 2421136 2489600 2738560 3026420 3112000 3329062 3423200 3783025 4279000 4842272 5477120 6052840 6224000 6658124 6846400 7566050 8322655 8558000 9684544 12105680 12448000 13316248 13692800 15132100 16645310 17116000 18915125 19369088 24211360 26632496 27385600 30264200 33290620 34232000 37830250 38738176 41613275 48422720 53264992 58863869 60528400 66581240 68464000 75660500 83226550 96845440 106529984 117727738 121056800 133162480 136928000 151321000 166453100 193690880 208066375 213059968 235455476 242113600 266324960 294319345 302642000 332906200 416132750 426119936 470910952 484227200 532649920 588638690 605284000 647502559 665812400 832265500 941821904 968454400 1065299840 1177277380 1210568000 1295005118 1331624800 1471596725 1664531000 1883643808 2130599680 2354554760 2421136000 2590010236 2663249600 2943193450 3237512795 3329062000 3767287616 4709109520 4842272000 5180020472 5326499200 5886386900 6475025590 6658124000 7357983625 7534575232 9418219040 10360040944 10652998400 11772773800 12950051180 13316248000 14715967250 15069150464 16187563975 18836438080 20720081888 23545547600 25900102360 26632496000 29431934500 32375127950 37672876160 41440163776 47091095200 51800204720 53264992000 58863869000 64750255900 75345752320 80937819875 82880327552 94182190400 103600409440 117727738000 129500511800 161875639750 165760655104 188364380800 207200818880 235455476000 259001023600 323751279500 376728761600 414401637760 470910952000 518002047200 647502559000 828803275520 941821904000 1036004094400 1295005118000 1883643808000 2072008188800 2590010236000 4144016377600 5180020472000 10360040944000 20720081888000
• Sum of all divisors σ(n): 56453831703360
• Sum of proper divisors (its aliquot sum) s(n): 35733749815360
• 20720081888000 is an abundant number, because the sum of its proper divisors (35733749815360) is greater than itself. Its abundance is 15013667927360

Bases of 20720081888000

• Binary: 100101101100001000101000111101110001100000000₂
• Hexadecimal: 0x12D8451EE300
• Base-36: 7CEO9S268

Squares and roots of 20720081888000

• 20720081888000 squared (20720081888000²) is 429321793445425644544000000
• 20720081888000 cubed (20720081888000³) is 8895582716492241013966860419072000000000
• The square root of 20720081888000 is 4551931.6655679267
• The cube root of 20720081888000 is 27466.1100488367

Scales and comparisons

• 20,720,081,888,000 seconds is equal to 658,834 years, 26 weeks, 4 days, 14 hours, 13 minutes, 20 seconds.
• To count from 1 to 20,720,081,888,000 would take you about one million, six hundred forty-seven thousand and eighty-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 20720081888000 cubic inches would be around 2288.8 feet tall.

Recreational maths with 20720081888000

• 20720081888000 backwards is 00088818002702
• 20720081888000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20720081888000's digits is 44
• More coming soon!