21628827198

Names of 21628827198

• Cardinal: 21628827198 can be written as Twenty-one billion, six hundred twenty-eight million, eight hundred twenty-seven thousand, one hundred ninety-eight.

Scientific notation

• Scientific notation: 2.1628827198 × 10¹⁰

Factors of 21628827198

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 845

Divisors of 21628827198

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 121 162 198 242 297 363 594 726 829 891 1089 1331 1658 1782 2178 2487 2662 3267 3993 4974 6534 7461 7986 9119 9801 11979 14641 14922 18238 19602 22383 23958 27357 29282 35937 43923 44766 54714 67149 71874 82071 87846 100309 107811 131769 134298 161051 164142 200618 215622 246213 263538 300927 322102 395307 483153 492426 601854 738639 790614 902781 966306 1103399 1185921 1449459 1477278 1805562 2206798 2371842 2708343 2898918 3310197 4348377 5416686 6620394 8125029 8696754 9930591 12137389 13045131 16250058 19861182 24274778 26090262 29791773 36412167 59583546 72824334 89375319 109236501 133511279 178750638 218473002 267022558 327709503 400533837 655419006 801067674 983128509 1201601511 1966257018 2403203022 3604804533 7209609066 10814413599 21628827198
• Sum of all divisors σ(n): 53375331240
• Sum of proper divisors (its aliquot sum) s(n): 31746504042
• 21628827198 is an abundant number, because the sum of its proper divisors (31746504042) is greater than itself. Its abundance is 10117676844

Bases of 21628827198

• Binary: 10100001001001011011011011000111110₂
• Hexadecimal: 0x5092DB63E
• Base-36: 9XP8TVI

Squares and roots of 21628827198

• 21628827198 squared (21628827198²) is 467806165960944531204
• 21628827198 cubed (21628827198³) is 10118098725728178882274434886392
• The square root of 21628827198 is 147067.4239864151
• The cube root of 21628827198 is 2786.1916753513

Scales and comparisons

• 21,628,827,198 seconds is equal to 687 years, 37 weeks, 6 days, 15 hours, 33 minutes, 18 seconds.
• To count from 1 to 21,628,827,198 would take you about one thousand, three hundred seventy-five 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 21628827198 cubic inches would be around 232.2 feet tall.

Recreational maths with 21628827198

• 21628827198 backwards is 89172882612
• 21628827198 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21628827198's digits is 54
• More coming soon!