309042368145

Names of 309042368145

• Cardinal: 309042368145 can be written as Three hundred nine billion, forty-two million, three hundred sixty-eight thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 3.09042368145 × 10¹¹

Factors of 309042368145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1059

Divisors of 309042368145

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 47 49 63 105 135 141 147 189 235 245 315 329 423 441 705 735 945 987 997 1269 1323 1645 2115 2205 2303 2961 2991 4935 4985 6345 6615 6909 6979 8883 8973 11515 14805 14955 20727 20937 26919 34545 34895 44415 44865 46859 48853 62181 62811 103635 104685 134595 140577 146559 188433 234295 244265 310905 314055 328013 421731 439677 702885 732795 942165 984039 994009 1265193 1319031 1640065 2108655 2198385 2296091 2952117 2982027 4920195 4970045 6325965 6595155 6888273 6958063 8856351 8946081 11480455 14760585 14910135 20664819 20874189 26838243 34441365 34790315 44281755 44730405 46718423 48706441 61994457 62622567 103324095 104370945 134191215 140155269 146119323 187867701 233592115 243532205 309972285 313112835 327028961 420465807 438357969 700776345 730596615 939338505 981086883 1261397421 1315073907 1635144805 2102329035 2191789845 2289202727 2943260649 4905434415 6306987105 6575369535 6867608181 8829781947 11446013635 14716303245 20602824543 34338040905 44148909735 61808473629 103014122715 309042368145
• Sum of all divisors σ(n): 653361396480
• Sum of proper divisors (its aliquot sum) s(n): 344319028335
• 309042368145 is an abundant number, because the sum of its proper divisors (344319028335) is greater than itself. Its abundance is 35276660190

Bases of 309042368145

• Binary: 100011111110100010111000100111010010001₂
• Hexadecimal: 0x47F45C4E91
• Base-36: 3XYZUHE9

Squares and roots of 309042368145

• 309042368145 squared (309042368145²) is 95507185308669710741025
• 309042368145 cubed (309042368145³) is 29515766722654640207038508804648625
• The square root of 309042368145 is 555915.7923148073
• The cube root of 309042368145 is 6760.9232786599

Scales and comparisons

• 309,042,368,145 seconds is equal to 9,826 years, 30 weeks, 5 days, 6 hours, 15 minutes, 45 seconds.
• To count from 1 to 309,042,368,145 would take you about nineteen thousand, six hundred fifty-three 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 309042368145 cubic inches would be around 563.4 feet tall.

Recreational maths with 309042368145

• 309042368145 backwards is 541863240903
• 309042368145 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 309042368145's digits is 45
• More coming soon!