642322912

Names of 642322912

• Cardinal: 642322912 can be written as Six hundred forty-two million, three hundred twenty-two thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 6.42322912 × 10⁸

Factors of 642322912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3664

Divisors of 642322912

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 73 77 88 112 146 154 176 224 292 308 352 511 584 616 803 1022 1168 1232 1606 2044 2336 2464 3212 3571 4088 5621 6424 7142 8176 11242 12848 14284 16352 22484 24997 25696 28568 39281 44968 49994 57136 78562 89936 99988 114272 157124 179872 199976 260683 274967 314248 399952 521366 549934 628496 799904 1042732 1099868 1256992 1824781 2085464 2199736 2867513 3649562 4170928 4399472 5735026 7299124 8341856 8798944 11470052 14598248 20072591 22940104 29196496 40145182 45880208 58392992 80290364 91760416 160580728 321161456 642322912
• Sum of all divisors σ(n): 1598655744
• Sum of proper divisors (its aliquot sum) s(n): 956332832
• 642322912 is an abundant number, because the sum of its proper divisors (956332832) is greater than itself. Its abundance is 314009920

Bases of 642322912

• Binary: 100110010010010001000111100000₂
• Hexadecimal: 0x264911E0
• Base-36: AMF7J4

Squares and roots of 642322912

• 642322912 squared (642322912²) is 412578723280159744
• 642322912 cubed (642322912³) is 265008766966554398591254528
• The square root of 642322912 is 25344.0902776169
• The cube root of 642322912 is 862.8152342637

Scales and comparisons

• 642,322,912 seconds is equal to 20 years, 22 weeks, 7 hours, 1 minute, 52 seconds.
• To count from 1 to 642,322,912 would take you about thirty 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 642322912 cubic inches would be around 71.9 feet tall.

Recreational maths with 642322912

• 642322912 backwards is 219223246
• The number of decimal digits it has is: 9
• The sum of 642322912's digits is 31
• More coming soon!