21378740609336983

Names of 21378740609336983

• Cardinal: 21378740609336983 can be written as Twenty-one quadrillion, three hundred seventy-eight trillion, seven hundred forty billion, six hundred nine million, three hundred thirty-six thousand, nine hundred eighty-three.

Scientific notation

• Scientific notation: 2.1378740609336983 × 10¹⁶

Factors of 21378740609336983

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 329

Divisors of 21378740609336983

• Number of divisors d(n): 60
• Complete list of divisors:
  1 23 83 223 529 1909 5129 6889 12167 18509 43907 49729 117967 158447 279841 425707 1009861 1143767 1536247 2713241 3644281 4127507 9791261 11089567 23226803 26306641 35333681 62404543 83818463 94932661 225199003 255060041 342583081 605052743 812674663 920434061 1927824649 2183451203 5179577069 5866380943 7879410863 13916213089 18691517249 21169983403 50219377669 76396027063 134926761689 181226449849 429904896727 486909618269 1155045686387 1757108622449 3103315518847 4168208346527 11198921220187 40413498316327 95868791970121 257575188064301 929510461275521 21378740609336983
• Sum of all divisors σ(n): 22724931069050560
• Sum of proper divisors (its aliquot sum) s(n): 1346190459713577
• 21378740609336983 is a deficient number, because the sum of its proper divisors (1346190459713577) is less than itself. Its deficiency is 20032550149623406

Bases of 21378740609336983

• Binary: 1001011111100111101100111101111110000111100011010010111₂
• Hexadecimal: 0x4BF3D9EFC3C697
• Base-36: 5UI4PUO2O47

Squares and roots of 21378740609336983

• 21378740609336983 squared (21378740609336983²) is 457050550041314235174398851542289
• 21378740609336983 cubed (21378740609336983³) is 9771165154688049532757269119541870573303276174087
• The square root of 21378740609336983 is 146214707.2265200789
• The cube root of 21378740609336983 is 277541.1430892505

Scales and comparisons

• 21,378,740,609,336,983 seconds is equal to 679,777,822 years, 30 weeks, 4 days, 21 hours, 9 minutes, 43 seconds.
• To count from 1 to 21,378,740,609,336,983 would take you about two billion, thirty-nine million, three hundred thirty-three thousand, four 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 21378740609336983 cubic inches would be around 23128.4 feet tall.

Recreational maths with 21378740609336983

• 21378740609336983 backwards is 38963390604787312
• The number of decimal digits it has is: 17
• The sum of 21378740609336983's digits is 79
• More coming soon!