123890040729

Names of 123890040729

• Cardinal: 123890040729 can be written as One hundred twenty-three billion, eight hundred ninety million, forty thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.23890040729 × 10¹¹

Factors of 123890040729

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1206

Divisors of 123890040729

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 9 13 21 27 39 63 91 117 189 233 273 351 379 571 699 819 1137 1631 1713 2097 2457 2653 3029 3411 3997 4893 4927 5139 6291 7423 7959 9087 10233 11991 14679 14781 15417 21203 22269 23877 27261 34489 35973 44037 44343 51961 63609 66807 71631 81783 88307 103467 107919 133029 133043 155883 190827 200421 216409 264921 310401 399129 467649 572481 618149 649227 794763 931203 931301 1147991 1197387 1402947 1514863 1729559 1854447 1947681 2384289 2793903 2813317 3443973 3592161 4544589 5188677 5563341 5843043 8035937 8381709 8439951 10331919 12106913 13633767 15566031 16690023 19693219 24107811 25145127 25319853 30995757 36320739 40901301 46698093 50423297 59079657 72323433 75959559 108962217 151269891 177238971 216970299 326886651 352963079 453809673 531716913 655502861 1058889237 1361429019 1966508583 3176667711 4588520027 5899525749 9530003133 13765560081 17698577247 41296680243 123890040729
• Sum of all divisors σ(n): 227862835200
• Sum of proper divisors (its aliquot sum) s(n): 103972794471
• 123890040729 is a deficient number, because the sum of its proper divisors (103972794471) is less than itself. Its deficiency is 19917246258

Bases of 123890040729

• Binary: 1110011011000011010111111111110011001₂
• Hexadecimal: 0x1CD86BFF99
• Base-36: 1KWWXJ89

Squares and roots of 123890040729

• 123890040729 squared (123890040729²) is 15348742191833278851441
• 123890040729 cubed (123890040729³) is 1901556295285145648082639830340489
• The square root of 123890040729 is 351980.1709315455
• The cube root of 123890040729 is 4985.1565208849

Scales and comparisons

• 123,890,040,729 seconds is equal to 3,939 years, 16 weeks, 4 days, 12 hours, 12 minutes, 9 seconds.
• To count from 1 to 123,890,040,729 would take you about seven thousand, eight hundred seventy-eight 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 123890040729 cubic inches would be around 415.4 feet tall.

Recreational maths with 123890040729

• 123890040729 backwards is 927040098321
• The number of decimal digits it has is: 12
• The sum of 123890040729's digits is 45
• More coming soon!