28927272

Names of 28927272

• Cardinal: 28927272 can be written as Twenty-eight million, nine hundred twenty-seven thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.8927272 × 10⁷

Factors of 28927272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 187

Divisors of 28927272

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 19 22 24 33 38 44 57 66 73 76 79 88 114 132 146 152 158 209 219 228 237 264 292 316 418 438 456 474 584 627 632 803 836 869 876 948 1254 1387 1501 1606 1672 1738 1752 1896 2409 2508 2607 2774 3002 3212 3476 4161 4503 4818 5016 5214 5548 5767 6004 6424 6952 8322 9006 9636 10428 11096 11534 12008 15257 16511 16644 17301 18012 19272 20856 23068 30514 33022 33288 34602 36024 45771 46136 49533 61028 63437 66044 69204 91542 99066 109573 122056 126874 132088 138408 183084 190311 198132 219146 253748 328719 366168 380622 396264 438292 507496 657438 761244 876584 1205303 1314876 1522488 2410606 2629752 3615909 4821212 7231818 9642424 14463636 28927272
• Sum of all divisors σ(n): 85248000
• Sum of proper divisors (its aliquot sum) s(n): 56320728
• 28927272 is an abundant number, because the sum of its proper divisors (56320728) is greater than itself. Its abundance is 27393456

Bases of 28927272

• Binary: 1101110010110010100101000₂
• Hexadecimal: 0x1B96528
• Base-36: H80FC

Squares and roots of 28927272

• 28927272 squared (28927272²) is 836787065361984
• 28927272 cubed (28927272³) is 24205967045807889627648
• The square root of 28927272 is 5378.4079428767
• The cube root of 28927272 is 306.9746360085

Scales and comparisons

• 28,927,272 seconds is equal to 47 weeks, 5 days, 19 hours, 21 minutes, 12 seconds.
• To count from 1 to 28,927,272 would take you about nineteen 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 28927272 cubic inches would be around 25.6 feet tall.

Recreational maths with 28927272

• 28927272 backwards is 27272982
• The number of decimal digits it has is: 8
• The sum of 28927272's digits is 39
• More coming soon!