420400689709854490812

Names of 420400689709854490812

• Cardinal: 420400689709854490812 can be written as Four hundred twenty quintillion, four hundred quadrillion, six hundred eighty-nine trillion, seven hundred nine billion, eight hundred fifty-four million, four hundred ninety thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 4.20400689709854490812 × 10²⁰

Factors of 420400689709854490812

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 24362736816

Divisors of 420400689709854490812

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 756 972 1134 1701 2268 3402 6804 2536403 5072806 7609209 10145612 15218418 17754821 22827627 30436836 35509642 45655254 53264463 68482881 71019284 91310508 106528926 136965762 159793389 205448643 213057852 273931524 319586778 410897286 479380167 616345929 639173556 821794572 958760334 1232691858 1438140501 1917520668 2465383716 2876281002 4314421503 5752562004 8628843006 17257686012 24360200401 48720400802 73080601203 97440801604 146161202406 170521402807 219241803609 292322404812 341042805614 438483607218 511564208421 657725410827 682085611228 876967214436 1023128416842 1315450821654 1534692625263 1973176232481 2046256833684 2630901643308 3069385250526 3946352464962 4604077875789 5919528697443 6138770501052 7892704929924 9208155751578 11839057394886 13812233627367 18416311503156 23678114789772 27624467254734 41436700882101 55248934509468 82873401764202 165746803528404 61787285377697603 123574570755395206 185361856133092809 247149141510790412 370723712266185618 432510997643883221 556085568399278427 741447424532371236 865021995287766442 1112171136798556854 1297532992931649663 1668256705197835281 1730043990575532884 2224342273597113708 2595065985863299326 3336513410395670562 3892598978794948989 5004770115593505843 5190131971726598652 6673026820791341124 7785197957589897978 10009540231187011686 11677796936384846967 15014310346780517529 15570395915179795956 20019080462374023372 23355593872769693934 30028620693561035058 35033390809154540901 46711187745539387868 60057241387122070116 70066781618309081802 105100172427463622703 140133563236618163604 210200344854927245406 420400689709854490812
• Sum of all divisors σ(n): 1259472521749014972672
• Sum of proper divisors (its aliquot sum) s(n): 839071832039160481860
• 420400689709854490812 is an abundant number, because the sum of its proper divisors (839071832039160481860) is greater than itself. Its abundance is 418671142329305991048

Bases of 420400689709854490812

• Binary: 101101100101000111011010001111110100110101101000110000000000010111100₂
• Hexadecimal: 0x16CA3B47E9AD1800BC
• Base-36: 2GQ09IZYLN33R0

Squares and roots of 420400689709854490812

• 420400689709854490812 squared (420400689709854490812²) is 176736739908521355558111337061963792419344
• 420400689709854490812 cubed (420400689709854490812³) is 74300247354613543363380291949091943272670006488629900699067328
• The square root of 420400689709854490812 is 20503675029.3661865483
• The cube root of 420400689709854490812 is 7491253.1494083533

Scales and comparisons

• 420,400,689,709,854,490,812 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 420,400,689,709,854,490,812 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 420400689709854490812 cubic inches would be around 624271.1 feet tall.

Recreational maths with 420400689709854490812

• 420400689709854490812 backwards is 218094458907986004024
• The number of decimal digits it has is: 21
• The sum of 420400689709854490812's digits is 90
• More coming soon!