42879951261

Names of 42879951261

• Cardinal: 42879951261 can be written as Forty-two billion, eight hundred seventy-nine million, nine hundred fifty-one thousand, two hundred sixty-one.

Scientific notation

• Scientific notation: 4.2879951261 × 10¹⁰

Factors of 42879951261

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 705

Divisors of 42879951261

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 9 21 23 27 29 63 69 87 161 189 203 207 261 483 529 609 621 643 667 783 1449 1587 1827 1929 2001 3703 4347 4501 4669 4761 5481 5787 6003 11109 12167 13503 14007 14283 14789 15341 17361 18009 18647 33327 36501 40509 42021 44367 46023 55941 85169 99981 103523 107387 109503 121527 126063 130529 133101 138069 167823 255507 310569 322161 328509 340147 352843 391587 399303 414207 428881 503469 766521 931707 966483 1020441 1058529 1174761 1286643 2299563 2381029 2469901 2795121 2899449 3002167 3061323 3175587 3524283 3859929 7143087 7409703 7823381 9006501 9183969 9526761 9864263 11579787 21429261 22229109 23470143 27019503 29592789 54763667 64287783 66687327 69049841 70410429 81058509 88778367 164291001 207149523 211231287 226878049 266335101 492873003 621448569 680634147 1478619009 1588146343 1864345707 2041902441 4764439029 6125707323 14293317087 42879951261
• Sum of all divisors σ(n): 78640128000
• Sum of proper divisors (its aliquot sum) s(n): 35760176739
• 42879951261 is a deficient number, because the sum of its proper divisors (35760176739) is less than itself. Its deficiency is 7119774522

Bases of 42879951261

• Binary: 100111111011110110000010000110011101₂
• Hexadecimal: 0x9FBD8219D
• Base-36: JP5M659

Squares and roots of 42879951261

• 42879951261 squared (42879951261²) is 1838690220145735490121
• 42879951261 cubed (42879951261³) is 78842947023926498133386426992581
• The square root of 42879951261 is 207074.7480041929
• The cube root of 42879951261 is 3500.1347230047

Scales and comparisons

• 42,879,951,261 seconds is equal to 1,363 years, 23 weeks, 2 days, 17 hours, 34 minutes, 21 seconds.
• To count from 1 to 42,879,951,261 would take you about two thousand, seven hundred twenty-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 42879951261 cubic inches would be around 291.7 feet tall.

Recreational maths with 42879951261

• 42879951261 backwards is 16215997824
• The number of decimal digits it has is: 11
• The sum of 42879951261's digits is 54
• More coming soon!