388798228

Names of 388798228

• Cardinal: 388798228 can be written as Three hundred eighty-eight million, seven hundred ninety-eight thousand, two hundred twenty-eight.

Scientific notation

• Scientific notation: 3.88798228 × 10⁸

Factors of 388798228

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 879

Divisors of 388798228

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 13 14 17 26 28 34 52 68 83 91 119 166 182 221 238 332 364 442 476 581 757 884 1079 1162 1411 1514 1547 2158 2324 2822 3028 3094 4316 5299 5644 6188 7553 9841 9877 10598 12869 15106 18343 19682 19754 21196 25738 30212 36686 39364 39508 51476 62831 68887 73372 90083 125662 128401 137774 167297 180166 251324 256802 275548 334594 360332 439817 513604 669188 816803 879634 1068127 1171079 1633606 1759268 2136254 2342158 3267212 4272508 4684316 5717621 7476889 11435242 13885651 14953778 22870484 27771302 29907556 55542604 97199557 194399114 388798228
• Sum of all divisors σ(n): 898539264
• Sum of proper divisors (its aliquot sum) s(n): 509741036
• 388798228 is an abundant number, because the sum of its proper divisors (509741036) is greater than itself. Its abundance is 120942808

Bases of 388798228

• Binary: 10111001011001001011100010100₂
• Hexadecimal: 0x172C9714
• Base-36: 6FHAMS

Squares and roots of 388798228

• 388798228 squared (388798228²) is 151164062095939984
• 388798228 cubed (388798228³) is 58772319480183431773548352
• The square root of 388798228 is 19717.9671365991
• The cube root of 388798228 is 729.8631306541

Scales and comparisons

• 388,798,228 seconds is equal to 12 years, 18 weeks, 5 days, 23 hours, 30 minutes, 28 seconds.
• To count from 1 to 388,798,228 would take you about eighteen 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 388798228 cubic inches would be around 60.8 feet tall.

Recreational maths with 388798228

• 388798228 backwards is 822897883
• The number of decimal digits it has is: 9
• The sum of 388798228's digits is 55
• More coming soon!