31993380

Names of 31993380

• Cardinal: 31993380 can be written as Thirty-one million, nine hundred ninety-three thousand, three hundred eighty.

Scientific notation

• Scientific notation: 3.199338 × 10⁷

Factors of 31993380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 266

Divisors of 31993380

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 29 30 36 45 54 58 60 81 87 90 108 116 135 145 162 174 180 227 243 261 270 290 324 348 405 435 454 486 522 540 580 681 783 810 870 908 972 1044 1135 1215 1305 1362 1566 1620 1740 2043 2270 2349 2430 2610 2724 3132 3405 3915 4086 4540 4698 4860 5220 6129 6583 6810 7047 7830 8172 9396 10215 11745 12258 13166 13620 14094 15660 18387 19749 20430 23490 24516 26332 28188 30645 32915 35235 36774 39498 40860 46980 55161 59247 61290 65830 70470 73548 78996 91935 98745 110322 118494 122580 131660 140940 177741 183870 197490 220644 236988 275805 296235 355482 367740 394980 533223 551610 592470 710964 888705 1066446 1103220 1184940 1599669 1777410 2132892 2666115 3199338 3554820 5332230 6398676 7998345 10664460 15996690 31993380
• Sum of all divisors σ(n): 104569920
• Sum of proper divisors (its aliquot sum) s(n): 72576540
• 31993380 is an abundant number, because the sum of its proper divisors (72576540) is greater than itself. Its abundance is 40583160

Bases of 31993380

• Binary: 1111010000010111000100100₂
• Hexadecimal: 0x1E82E24
• Base-36: J1Q90

Squares and roots of 31993380

• 31993380 squared (31993380²) is 1023576363824400
• 31993380 cubed (31993380³) is 32747667566852282472000
• The square root of 31993380 is 5656.2690883655
• The cube root of 31993380 is 317.4583159775

Scales and comparisons

• 31,993,380 seconds is equal to 1 year, 6 days, 7 hours, 3 minutes.
• To count from 1 to 31,993,380 would take you about twenty-seven weeks!

  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 31993380 cubic inches would be around 26.5 feet tall.

Recreational maths with 31993380

• 31993380 backwards is 08339913
• 31993380 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 31993380's digits is 36
• More coming soon!