30638300

Names of 30638300

• Cardinal: 30638300 can be written as Thirty million, six hundred thirty-eight thousand, three hundred.

Scientific notation

• Scientific notation: 3.06383 × 10⁷

Factors of 30638300

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 221

Divisors of 30638300

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 23 25 28 35 44 46 50 55 70 77 92 100 110 115 140 154 161 173 175 220 230 253 275 308 322 346 350 385 460 506 550 575 644 692 700 770 805 865 1012 1100 1150 1211 1265 1540 1610 1730 1771 1903 1925 2300 2422 2530 3220 3460 3542 3806 3850 3979 4025 4325 4844 5060 6055 6325 7084 7612 7700 7958 8050 8650 8855 9515 12110 12650 13321 15916 16100 17300 17710 19030 19895 24220 25300 26642 27853 30275 35420 38060 39790 43769 44275 47575 53284 55706 60550 66605 79580 87538 88550 95150 99475 111412 121100 133210 139265 175076 177100 190300 198950 218845 266420 278530 306383 333025 397900 437690 557060 612766 666050 696325 875380 1094225 1225532 1332100 1392650 1531915 2188450 2785300 3063830 4376900 6127660 7659575 15319150 30638300
• Sum of all divisors σ(n): 86994432
• Sum of proper divisors (its aliquot sum) s(n): 56356132
• 30638300 is an abundant number, because the sum of its proper divisors (56356132) is greater than itself. Its abundance is 25717832

Bases of 30638300

• Binary: 1110100111000000011011100₂
• Hexadecimal: 0x1D380DC
• Base-36: I8ONW

Squares and roots of 30638300

• 30638300 squared (30638300²) is 938705426890000
• 30638300 cubed (30638300³) is 28760338480683887000000
• The square root of 30638300 is 5535.1874403673
• The cube root of 30638300 is 312.9115218413

Scales and comparisons

• 30,638,300 seconds is equal to 50 weeks, 4 days, 14 hours, 38 minutes, 20 seconds.
• To count from 1 to 30,638,300 would take you about twenty-three 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 30638300 cubic inches would be around 26.1 feet tall.

Recreational maths with 30638300

• 30638300 backwards is 00383603
• 30638300 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30638300's digits is 23
• More coming soon!