21173509948641120

Names of 21173509948641120

• Cardinal: 21173509948641120 can be written as Twenty-one quadrillion, one hundred seventy-three trillion, five hundred nine billion, nine hundred forty-eight million, six hundred forty-one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.117350994864112 × 10¹⁶

Factors of 21173509948641120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2100546621906

Divisors of 21173509948641120

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 210 224 240 252 280 288 315 336 360 420 480 504 560 630 672 720 840 1008 1120 1260 1440 1680 2016 2520 3360 5040 10080 2100546621889 4201093243778 6301639865667 8402186487556 10502733109445 12603279731334 14703826353223 16804372975112 18904919597001 21005466218890 25206559462668 29407652706446 31508199328335 33608745950224 37809839194002 42010932437780 44111479059669 50413118925336 58815305412892 63016398656670 67217491900448 73519131766115 75619678388004 84021864875560 88222958119338 94524597985005 100826237850672 117630610825784 126032797313340 132334437179007 147038263532230 151239356776008 168043729751120 176445916238676 189049195970010 201652475701344 220557395298345 235261221651568 252065594626680 264668874358014 294076527064460 302478713552016 336087459502240 352891832477352 378098391940020 441114790596690 470522443303136 504131189253360 529337748716028 588153054128920 604957427104032 661672185895035 705783664954704 756196783880040 882229581193380 1008262378506720 1058675497432056 1176306108257840 1323344371790070 1411567329909408 1512393567760080 1764459162386760 2117350994864112 2352612216515680 2646688743580140 3024787135520160 3528918324773520 4234701989728224 5293377487160280 7057836649547040 10586754974320560 21173509948641120
• Sum of all divisors σ(n): 82576688799739680
• Sum of proper divisors (its aliquot sum) s(n): 61403178851098560
• 21173509948641120 is an abundant number, because the sum of its proper divisors (61403178851098560) is greater than itself. Its abundance is 40229668902457440

Bases of 21173509948641120

• Binary: 1001011001110010011000111110011001000110000111101100000₂
• Hexadecimal: 0x4B3931F3230F60
• Base-36: 5SHDS6RLEG0

Squares and roots of 21173509948641120

• 21173509948641120 squared (21173509948641120²) is 448317523545204484100134554854400
• 21173509948641120 cubed (21173509948641120³) is 9492455544934536702483708324194468357379452928000
• The square root of 21173509948641120 is 145511202.1414197513
• The cube root of 21173509948641120 is 276650.1770164933

Scales and comparisons

• 21,173,509,948,641,120 seconds is equal to 673,252,122 years, 20 weeks, 5 days, 17 hours, 12 minutes.
• To count from 1 to 21,173,509,948,641,120 would take you about two billion, nineteen million, seven hundred fifty-six thousand, three hundred sixty-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 21173509948641120 cubic inches would be around 23054.2 feet tall.

Recreational maths with 21173509948641120

• 21173509948641120 backwards is 02114684990537112
• 21173509948641120 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21173509948641120's digits is 63
• More coming soon!