28740712

Names of 28740712

• Cardinal: 28740712 can be written as Twenty-eight million, seven hundred forty thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.8740712 × 10⁷

Factors of 28740712

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 167

Divisors of 28740712

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 11 13 14 22 26 28 37 44 52 56 74 77 88 91 97 104 143 148 154 182 194 259 286 296 308 364 388 407 481 518 572 616 679 728 776 814 962 1001 1036 1067 1144 1261 1358 1628 1924 2002 2072 2134 2522 2716 2849 3256 3367 3589 3848 4004 4268 5044 5291 5432 5698 6734 7178 7469 8008 8536 8827 10088 10582 11396 13468 13871 14356 14938 17654 21164 22792 25123 26936 27742 28712 29876 35308 37037 39479 42328 46657 50246 55484 59752 70616 74074 78958 93314 97097 100492 110968 148148 157916 186628 194194 200984 276353 296296 315832 326599 373256 388388 513227 552706 653198 776776 1026454 1105412 1306396 2052908 2210824 2612792 3592589 4105816 7185178 14370356 28740712
• Sum of all divisors σ(n): 75075840
• Sum of proper divisors (its aliquot sum) s(n): 46335128
• 28740712 is an abundant number, because the sum of its proper divisors (46335128) is greater than itself. Its abundance is 17594416

Bases of 28740712

• Binary: 1101101101000110001101000₂
• Hexadecimal: 0x1B68C68
• Base-36: H40H4

Squares and roots of 28740712

• 28740712 squared (28740712²) is 826028526266944
• 28740712 cubed (28740712³) is 23740647977222672624128
• The square root of 28740712 is 5361.0364669531
• The cube root of 28740712 is 306.3132907093

Scales and comparisons

• 28,740,712 seconds is equal to 47 weeks, 3 days, 15 hours, 31 minutes, 52 seconds.
• To count from 1 to 28,740,712 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 28740712 cubic inches would be around 25.5 feet tall.

Recreational maths with 28740712

• 28740712 backwards is 21704782
• The number of decimal digits it has is: 8
• The sum of 28740712's digits is 31
• More coming soon!