6399818028

Names of 6399818028

• Cardinal: 6399818028 can be written as Six billion, three hundred ninety-nine million, eight hundred eighteen thousand and twenty-eight.

Scientific notation

• Scientific notation: 6.399818028 × 10⁹

Factors of 6399818028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 502

Divisors of 6399818028

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 34 36 51 59 68 102 118 153 177 204 236 306 354 421 531 612 708 842 1003 1062 1263 1684 2006 2124 2526 3009 3789 4012 5052 6018 7157 7578 9027 12036 14314 15156 18054 21471 24839 28628 36108 42942 49678 64413 74517 85884 99356 128826 149034 177241 223551 257652 298068 354482 422263 447102 531723 708964 844526 894204 1063446 1266789 1595169 1689052 2126892 2533578 3013097 3190338 3800367 5067156 6026194 6380676 7600734 9039291 10457219 12052388 15201468 18078582 20914438 27117873 31371657 36157164 41828876 54235746 62743314 94114971 108471492 125486628 177772723 188229942 355545446 376459884 533318169 711090892 1066636338 1599954507 2133272676 3199909014 6399818028
• Sum of all divisors σ(n): 17460719640
• Sum of proper divisors (its aliquot sum) s(n): 11060901612
• 6399818028 is an abundant number, because the sum of its proper divisors (11060901612) is greater than itself. Its abundance is 4661083584

Bases of 6399818028

• Binary: 101111101011101010111100100101100₂
• Hexadecimal: 0x17D75792C
• Base-36: 2XUAB70

Squares and roots of 6399818028

• 6399818028 squared (6399818028²) is 40957670791513808784
• 6399818028 cubed (6399818028³) is 262121639916419102866787957952
• The square root of 6399818028 is 79998.8626669155
• The cube root of 6399818028 is 1856.6179366281

Scales and comparisons

• 6,399,818,028 seconds is equal to 203 years, 25 weeks, 4 days, 23 hours, 13 minutes, 48 seconds.
• To count from 1 to 6,399,818,028 would take you about four hundred six 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 6399818028 cubic inches would be around 154.7 feet tall.

Recreational maths with 6399818028

• 6399818028 backwards is 8208189936
• The number of decimal digits it has is: 10
• The sum of 6399818028's digits is 54
• More coming soon!