1321228755

Names of 1321228755

• Cardinal: 1321228755 can be written as One billion, three hundred twenty-one million, two hundred twenty-eight thousand, seven hundred fifty-five.

Scientific notation

• Scientific notation: 1.321228755 × 10⁹

Factors of 1321228755

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4054

Divisors of 1321228755

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 11 15 21 33 35 45 55 63 77 97 99 105 165 231 291 315 385 485 495 679 693 873 1067 1155 1455 2037 3201 3395 3465 3931 4365 5335 6111 7469 9603 10185 11793 16005 19655 22407 27517 30555 35379 37345 43241 48015 58965 67221 82551 112035 129723 137585 176895 216205 247653 302687 336105 381307 389169 412755 648615 908061 1143921 1238265 1513435 1906535 1945845 2669149 2724183 3431763 4194377 4540305 5719605 8007447 12583131 13345745 13620915 17158815 20971885 24022341 29360639 37749393 40037235 62915655 88081917 120111705 146803195 188746965 264245751 440409585 1321228755
• Sum of all divisors σ(n): 2885395968
• Sum of proper divisors (its aliquot sum) s(n): 1564167213
• 1321228755 is an abundant number, because the sum of its proper divisors (1564167213) is greater than itself. Its abundance is 242938458

Bases of 1321228755

• Binary: 1001110110000000101100111010011₂
• Hexadecimal: 0x4EC059D3
• Base-36: LUMIMR

Squares and roots of 1321228755

• 1321228755 squared (1321228755²) is 1745645423038850025
• 1321228755 cubed (1321228755³) is 2306396928953068135162468875
• The square root of 1321228755 is 36348.7104998237
• The cube root of 1321228755 is 1097.3015828779

Scales and comparisons

• 1,321,228,755 seconds is equal to 42 years, 3 days, 23 hours, 59 minutes, 15 seconds.
• To count from 1 to 1,321,228,755 would take you about eighty-four 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 1321228755 cubic inches would be around 91.4 feet tall.

Recreational maths with 1321228755

• 1321228755 backwards is 5578221231
• The number of decimal digits it has is: 10
• The sum of 1321228755's digits is 36
• More coming soon!