642817799407355

Names of 642817799407355

• Cardinal: 642817799407355 can be written as Six hundred forty-two trillion, eight hundred seventeen billion, seven hundred ninety-nine million, four hundred seven thousand, three hundred fifty-five.

Scientific notation

• Scientific notation: 6.42817799407355 × 10¹⁴

Factors of 642817799407355

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2509

Divisors of 642817799407355

• Number of divisors d(n): 144
• Complete list of divisors:
  1 5 11 13 55 65 121 139 143 169 605 695 715 845 1529 1573 1807 1859 2341 7645 7865 9035 9295 11705 16819 19321 19877 20449 23491 25751 30433 84095 96605 99385 102245 117455 128755 152165 212531 218647 251173 258401 283261 325399 334763 395629 1062655 1093235 1255865 1292005 1416305 1626995 1673815 1978145 2337841 2685619 2762903 2842411 3265249 3579389 3682393 4230187 4351919 11689205 13428095 13814515 14212055 16326245 17896945 18411965 21150935 21759595 29541809 30391933 34913047 35917739 39373279 45230461 46532057 47871109 54992431 147709045 151959665 174565235 179588695 196866395 226152305 232660285 239355545 274962155 324959899 384043517 395095129 453869611 497535071 511852627 587995993 604916741 1624799495 1920217585 1975475645 2269348055 2487675355 2559263135 2939979965 3024583705 4224478687 4992565721 5472885781 6287034079 6467955923 6654084151 7643947909 21122393435 24962828605 27364428905 31435170395 32339779615 33270420755 38219739545 54918222931 69157374869 71147515153 81731443027 84083426999 274591114655 345786874345 355737575765 408657215135 420417134995 760731123559 899045873297 924917696989 1062508759351 3803655617795 4495229366485 4624588484945 5312543796755 9889504606267 11687596352861 49447523031335 58437981764305 128563559881471 642817799407355
• Sum of all divisors σ(n): 925168814670240
• Sum of proper divisors (its aliquot sum) s(n): 282351015262885
• 642817799407355 is a deficient number, because the sum of its proper divisors (282351015262885) is less than itself. Its deficiency is 360466784144470

Bases of 642817799407355

• Binary: 10010010001010001110101110100101101100011011111011₂
• Hexadecimal: 0x248A3AE96C6FB
• Base-36: 6BUYF4PBLN

Squares and roots of 642817799407355

• 642817799407355 squared (642817799407355²) is 413214723234914490189228096025
• 642817799407355 cubed (642817799407355³) is 265621779072586976120005290346784160031263875
• The square root of 642817799407355 is 25353851.7666912891
• The cube root of 642817799407355 is 86303.6767063547

Scales and comparisons

• 642,817,799,407,355 seconds is equal to 20,439,617 years, 34 weeks, 11 hours, 22 minutes, 35 seconds.
• To count from 1 to 642,817,799,407,355 would take you about fifty-one million, ninety-nine thousand and forty-four 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 642817799407355 cubic inches would be around 7192 feet tall.

Recreational maths with 642817799407355

• 642817799407355 backwards is 553704997718246
• The number of decimal digits it has is: 15
• The sum of 642817799407355's digits is 77
• More coming soon!