55390440

Names of 55390440

• Cardinal: 55390440 can be written as Fifty-five million, three hundred ninety thousand, four hundred forty.

Scientific notation

• Scientific notation: 5.539044 × 10⁷

Factors of 55390440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 148

Divisors of 55390440

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 23 24 28 30 35 40 42 46 47 56 60 61 69 70 84 92 94 105 115 120 122 138 140 141 161 168 183 184 188 210 230 235 244 276 280 282 305 322 329 345 366 376 420 427 460 470 483 488 552 564 610 644 658 690 705 732 805 840 854 915 920 940 966 987 1081 1128 1220 1281 1288 1316 1380 1403 1410 1464 1610 1645 1708 1830 1880 1932 1974 2135 2162 2415 2440 2562 2632 2760 2806 2820 2867 3220 3243 3290 3416 3660 3864 3948 4209 4270 4324 4830 4935 5124 5405 5612 5640 5734 6405 6440 6486 6580 7015 7320 7567 7896 8418 8540 8601 8648 9660 9821 9870 10248 10810 11224 11468 12810 12972 13160 14030 14335 15134 16215 16836 17080 17202 19320 19642 19740 20069 21045 21620 22701 22936 25620 25944 28060 28670 29463 30268 32430 33672 34404 37835 39284 39480 40138 42090 43005 43240 45402 49105 51240 56120 57340 58926 60207 60536 64860 65941 68808 75670 78568 80276 84180 86010 90804 98210 100345 113505 114680 117852 120414 129720 131882 147315 151340 160552 168360 172020 181608 196420 197823 200690 227010 235704 240828 263764 294630 301035 302680 329705 344040 392840 395646 401380 454020 461587 481656 527528 589260 602070 659410 791292 802760 908040 923174 989115 1178520 1204140 1318820 1384761 1582584 1846348 1978230 2307935 2408280 2637640 2769522 3692696 3956460 4615870 5539044 6923805 7912920 9231740 11078088 13847610 18463480 27695220 55390440
• Sum of all divisors σ(n): 205701120
• Sum of proper divisors (its aliquot sum) s(n): 150310680
• 55390440 is an abundant number, because the sum of its proper divisors (150310680) is greater than itself. Its abundance is 94920240

Bases of 55390440

• Binary: 11010011010011000011101000₂
• Hexadecimal: 0x34D30E8
• Base-36: WZ7JC

Squares and roots of 55390440

• 55390440 squared (55390440²) is 3068100843393600
• 55390440 cubed (55390440³) is 169943455679942597184000
• The square root of 55390440 is 7442.4753946519
• The cube root of 55390440 is 381.1930188065

Scales and comparisons

• 55,390,440 seconds is equal to 1 year, 39 weeks, 4 days, 2 hours, 14 minutes.
• To count from 1 to 55,390,440 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 55390440 cubic inches would be around 31.8 feet tall.

Recreational maths with 55390440

• 55390440 backwards is 04409355
• 55390440 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 55390440's digits is 30
• More coming soon!