21418831665315

Names of 21418831665315

• Cardinal: 21418831665315 can be written as Twenty-one trillion, four hundred eighteen billion, eight hundred thirty-one million, six hundred sixty-five thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 2.1418831665315 × 10¹³

Factors of 21418831665315

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 21139785

Divisors of 21418831665315

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 7 9 15 21 35 45 63 105 315 3217 9651 16085 22519 28953 48255 67557 112595 144765 202671 337785 1013355 21136553 63409659 105682765 147955871 190228977 317048295 443867613 739779355 951144885 1331602839 2219338065 6658014195 67996291001 203988873003 339981455005 475974037007 611966619009 1019944365015 1427922111021 2379870185035 3059833095045 4283766333063 7139610555105 21418831665315
• Sum of all divisors σ(n): 42442876801728
• Sum of proper divisors (its aliquot sum) s(n): 21024045136413
• 21418831665315 is a deficient number, because the sum of its proper divisors (21024045136413) is less than itself. Its deficiency is 394786528902

Bases of 21418831665315

• Binary: 100110111101011110101110110100101100010100011₂
• Hexadecimal: 0x137AF5DA58A3
• Base-36: 7LBOBCSYR

Squares and roots of 21418831665315

• 21418831665315 squared (21418831665315²) is 458766349907100536174049225
• 21418831665315 cubed (21418831665315³) is 9826239222371186172763940160593535130875
• The square root of 21418831665315 is 4628048.3646257415
• The cube root of 21418831665315 is 27771.4523576501

Scales and comparisons

• 21,418,831,665,315 seconds is equal to 681,052 years, 30 weeks, 6 days, 6 hours, 35 minutes, 15 seconds.
• To count from 1 to 21,418,831,665,315 would take you about one million, seven hundred two thousand, six hundred thirty-one 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 21418831665315 cubic inches would be around 2314.3 feet tall.

Recreational maths with 21418831665315

• 21418831665315 backwards is 51356613881412
• The number of decimal digits it has is: 14
• The sum of 21418831665315's digits is 54
• More coming soon!