55438240

Names of 55438240

• Cardinal: 55438240 can be written as Fifty-five million, four hundred thirty-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 5.543824 × 10⁷

Factors of 55438240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2454

Divisors of 55438240

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 65 80 88 104 110 130 143 160 176 208 220 260 286 352 416 440 520 572 715 880 1040 1144 1430 1760 2080 2288 2423 2860 4576 4846 5720 9692 11440 12115 19384 22880 24230 26653 31499 38768 48460 53306 62998 77536 96920 106612 125996 133265 157495 193840 213224 251992 266530 314990 346489 387680 426448 503984 533060 629980 692978 852896 1007968 1066120 1259960 1385956 1732445 2132240 2519920 2771912 3464890 4264480 5039840 5543824 6929780 11087648 13859560 27719120 55438240
• Sum of all divisors σ(n): 153933696
• Sum of proper divisors (its aliquot sum) s(n): 98495456
• 55438240 is an abundant number, because the sum of its proper divisors (98495456) is greater than itself. Its abundance is 43057216

Bases of 55438240

• Binary: 11010011011110101110100000₂
• Hexadecimal: 0x34DEBA0
• Base-36: X08F4

Squares and roots of 55438240

• 55438240 squared (55438240²) is 3073398454297600
• 55438240 cubed (55438240³) is 170383801124979380224000
• The square root of 55438240 is 7445.6859992885
• The cube root of 55438240 is 381.3026393321

Scales and comparisons

• 55,438,240 seconds is equal to 1 year, 39 weeks, 4 days, 15 hours, 30 minutes, 40 seconds.
• To count from 1 to 55,438,240 would take you about two 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 55438240 cubic inches would be around 31.8 feet tall.

Recreational maths with 55438240

• 55438240 backwards is 04283455
• The number of decimal digits it has is: 8
• The sum of 55438240's digits is 31
• More coming soon!