6642509841

Names of 6642509841

• Cardinal: 6642509841 can be written as Six billion, six hundred forty-two million, five hundred nine thousand, eight hundred forty-one.

Scientific notation

• Scientific notation: 6.642509841 × 10⁹

Factors of 6642509841

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 99

Divisors of 6642509841

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 17 27 31 33 37 51 93 99 111 153 187 279 297 333 341 407 459 527 561 629 837 961 999 1023 1147 1221 1369 1581 1683 1887 2883 3069 3441 3663 4107 4743 5049 5661 5797 6919 8649 9207 10323 10571 10989 12321 12617 14229 15059 16337 16983 17391 19499 20757 23273 25947 30969 31713 35557 36963 37851 42439 45177 49011 52173 58497 62271 69819 95139 106671 113553 127317 135531 147033 156519 175491 179707 186813 209457 214489 256003 285417 320013 340659 381951 391127 406593 441099 466829 526473 539121 604469 628371 643467 721463 768009 960039 1145853 1173381 1315609 1400487 1617363 1813407 1930401 2164389 2304027 3520143 3946827 4201461 4852089 5440221 5791203 6493167 6649159 6912081 7936093 10560429 11840481 12604383 14471699 16320663 19479501 19947477 22365353 23808279 35521443 43415097 59842431 67096059 71424837 130245291 179527293 201288177 214274511 246018883 390735873 603864531 738056649 2214169947 6642509841
• Sum of all divisors σ(n): 12071384640
• Sum of proper divisors (its aliquot sum) s(n): 5428874799
• 6642509841 is a deficient number, because the sum of its proper divisors (5428874799) is less than itself. Its deficiency is 1213635042

Bases of 6642509841

• Binary: 110001011111011001010100000010001₂
• Hexadecimal: 0x18BECA811
• Base-36: 31US1E9

Squares and roots of 6642509841

• 6642509841 squared (6642509841²) is 44122936987781845281
• 6642509841 cubed (6642509841³) is 293087043155163804040181910321
• The square root of 6642509841 is 81501.5941009743
• The cube root of 6642509841 is 1879.7960621735

Scales and comparisons

• 6,642,509,841 seconds is equal to 211 years, 10 weeks, 6 days, 21 hours, 37 minutes, 21 seconds.
• To count from 1 to 6,642,509,841 would take you about four hundred twenty-two 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 6642509841 cubic inches would be around 156.6 feet tall.

Recreational maths with 6642509841

• 6642509841 backwards is 1489052466
• The number of decimal digits it has is: 10
• The sum of 6642509841's digits is 45
• More coming soon!