21016677800

Names of 21016677800

• Cardinal: 21016677800 can be written as Twenty-one billion, sixteen million, six hundred seventy-seven thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10166778 × 10¹⁰

Factors of 21016677800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4314

Divisors of 21016677800

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 184 200 230 460 575 920 1150 2003 2281 2300 4006 4562 4600 8012 9124 10015 11405 16024 18248 20030 22810 40060 45620 46069 50075 52463 57025 80120 91240 92138 100150 104926 114050 184276 200300 209852 228100 230345 262315 368552 400600 419704 456200 460690 524630 921380 1049260 1151725 1311575 1842760 2098520 2303450 2623150 4568843 4606900 5246300 9137686 9213800 10492600 18275372 22844215 36550744 45688430 91376860 105083389 114221075 182753720 210166778 228442150 420333556 456884300 525416945 840667112 913768600 1050833890 2101667780 2627084725 4203335560 5254169450 10508338900 21016677800
• Sum of all divisors σ(n): 51036108480
• Sum of proper divisors (its aliquot sum) s(n): 30019430680
• 21016677800 is an abundant number, because the sum of its proper divisors (30019430680) is greater than itself. Its abundance is 9002752880

Bases of 21016677800

• Binary: 10011100100101100010000110110101000₂
• Hexadecimal: 0x4E4B10DA8
• Base-36: 9NKSCDK

Squares and roots of 21016677800

• 21016677800 squared (21016677800²) is 441700745749012840000
• 21016677800 cubed (21016677800³) is 9283082257426722526342952000000
• The square root of 21016677800 is 144971.2999182941
• The cube root of 21016677800 is 2759.6543447965

Scales and comparisons

• 21,016,677,800 seconds is equal to 668 years, 13 weeks, 5 days, 14 hours, 3 minutes, 20 seconds.
• To count from 1 to 21,016,677,800 would take you about one thousand, three hundred thirty-six 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 21016677800 cubic inches would be around 230 feet tall.

Recreational maths with 21016677800

• 21016677800 backwards is 00877661012
• The number of decimal digits it has is: 11
• The sum of 21016677800's digits is 38
• More coming soon!