21055048875

Names of 21055048875

• Cardinal: 21055048875 can be written as Twenty-one billion, fifty-five million, forty-eight thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 2.1055048875 × 10¹⁰

Factors of 21055048875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 83

Divisors of 21055048875

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 31 35 37 45 49 63 75 81 93 105 111 125 135 147 155 175 185 189 217 225 245 259 279 315 333 375 405 441 465 525 555 567 651 675 735 775 777 837 875 925 945 999 1085 1125 1147 1225 1295 1323 1369 1395 1519 1575 1665 1813 1953 2025 2205 2325 2331 2511 2625 2775 2835 2997 3255 3375 3441 3675 3875 3885 3969 4107 4185 4557 4625 4725 4995 5425 5439 5735 5859 6125 6475 6615 6845 6975 6993 7595 7875 8029 8325 9065 9583 9765 10125 10323 11025 11625 11655 12321 12555 13671 13875 14175 14985 16275 16317 17205 17577 18375 19425 19845 20535 20925 20979 22785 23625 24087 24975 27125 27195 28675 28749 29295 30969 32375 33075 34225 34875 34965 36963 37975 40145 41013 41625 42439 45325 47915 48825 48951 51615 55125 56203 58275 61605 62775 67081 68355 70875 72261 74925 81375 81585 86025 86247 87885 92907 97125 99225 102675 104625 104895 110889 113925 120435 123039 124875 127317 135975 143375 143745 146475 146853 154845 165375 168609 171125 174825 184815 189875 200725 201243 205065 212195 216783 226625 239575 244125 244755 258075 258741 281015 291375 297073 308025 313875 335405 341775 361305 374625 381951 407925 430125 431235 439425 464535 496125 505827 513375 524475 554445 569625 602175 603729 615195 636585 650349 679875 718725 732375 734265 774225 776223 843045 874125 891219 924075 1003625 1006215 1025325 1060975 1083915 1145853 1197875 1223775 1290375 1293705 1405075 1485365 1517481 1540125 1677025 1708875 1806525 1811187 1909755 2039625 2079511 2156175 2197125 2322675 2529135 2622375 2673657 2772225 3010875 3018645 3075975 3182925 3251745 3437559 3593625 3671325 3871125 3881115 4215225 4456095 4552443 4620375 5031075 5126625 5304875 5419575 5433561 5729265 6118875 6238533 6468525 7025375 7426825 7587405 8020971 8385125 9032625 9055935 9548775 10397555 10780875 11613375 12645675 13368285 13861125 15093225 15379875 15914625 16258725 17187795 18356625 18715599 19405575 21076125 22280475 22762215 24062913 25155375 27097875 27167805 28646325 31192665 32342625 37134125 37937025 40104855 45279675 47743875 51987775 56146797 63228375 66841425 75466125 81293625 85938975 93577995 97027875 111402375 113811075 120314565 135839025 143231625 155963325 168440391 189685125 200524275 226398375 259938875 280733985 334207125 429694875 467889975 569055375 601572825 679195125 779816625 842201955 1002621375 1403669925 2339449875 3007864125 4211009775 7018349625 21055048875
• Sum of all divisors σ(n): 48442762368
• Sum of proper divisors (its aliquot sum) s(n): 27387713493
• 21055048875 is an abundant number, because the sum of its proper divisors (27387713493) is greater than itself. Its abundance is 6332664618

Bases of 21055048875

• Binary: 10011100110111110101000110010101011₂
• Hexadecimal: 0x4E6FA8CAB
• Base-36: 9O7MROR

Squares and roots of 21055048875

• 21055048875 squared (21055048875²) is 443315083128638765625
• 21055048875 cubed (21055048875³) is 9334020742298177122454044921875
• The square root of 21055048875 is 145103.5798145587
• The cube root of 21055048875 is 2761.3327979263

Scales and comparisons

• 21,055,048,875 seconds is equal to 669 years, 25 weeks, 1 day, 16 hours, 41 minutes, 15 seconds.
• To count from 1 to 21,055,048,875 would take you about one thousand, three hundred thirty-eight 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 21055048875 cubic inches would be around 230.1 feet tall.

Recreational maths with 21055048875

• 21055048875 backwards is 57884055012
• 21055048875 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21055048875's digits is 45
• More coming soon!