42749192745

Names of 42749192745

• Cardinal: 42749192745 can be written as Forty-two billion, seven hundred forty-nine million, one hundred ninety-two thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 4.2749192745 × 10¹⁰

Factors of 42749192745

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 325

Divisors of 42749192745

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 83 105 135 147 189 227 245 249 315 343 415 441 581 681 735 747 945 1029 1135 1245 1323 1589 1715 1743 2043 2205 2241 2401 2905 3087 3405 3735 4067 4767 5145 5229 6129 6615 7203 7945 8715 9261 10215 11123 11205 12005 12201 14301 15435 15687 16807 18841 20335 21609 23835 26145 28469 30645 33369 36015 36603 42903 46305 50421 55615 56523 61005 64827 71505 77861 78435 84035 85407 94205 100107 108045 109809 131887 142345 151263 166845 169569 183015 199283 214515 233583 252105 256221 282615 300321 324135 389305 395661 427035 453789 500535 508707 545027 549045 597849 659435 700749 756315 768663 847845 923209 996415 1167915 1186983 1281105 1394981 1501605 1635081 1793547 1978305 2102247 2268945 2543535 2725135 2769627 2989245 3503745 3560949 3815189 3843315 4184943 4616045 4905243 5380641 5934915 6462463 6974905 8175405 8308881 8967735 10511235 11445567 12554829 13848135 14715729 17804745 19075945 19387389 20924715 24526215 24926643 26903205 32312315 34336701 37664487 41544405 45237241 57227835 58162167 62774145 73578645 96936945 103010103 124633215 135711723 171683505 174486501 188322435 226186205 290810835 316660687 407135169 515050515 678558615 872432505 949982061 1221405507 1583303435 2035675845 2849946183 4749910305 6107027535 8549838549 14249730915 42749192745
• Sum of all divisors σ(n): 90127779840
• Sum of proper divisors (its aliquot sum) s(n): 47378587095
• 42749192745 is an abundant number, because the sum of its proper divisors (47378587095) is greater than itself. Its abundance is 4629394350

Bases of 42749192745

• Binary: 100111110100000011001110101000101001₂
• Hexadecimal: 0x9F40CEA29
• Base-36: JMZRK89

Squares and roots of 42749192745

• 42749192745 squared (42749192745²) is 1827493480349160635025
• 42749192745 cubed (42749192745³) is 78123871031677137885650322893625
• The square root of 42749192745 is 206758.7791243699
• The cube root of 42749192745 is 3496.5733195313

Scales and comparisons

• 42,749,192,745 seconds is equal to 1,359 years, 15 weeks, 1 day, 7 hours, 45 minutes, 45 seconds.
• To count from 1 to 42,749,192,745 would take you about two thousand, seven hundred eighteen 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 42749192745 cubic inches would be around 291.4 feet tall.

Recreational maths with 42749192745

• 42749192745 backwards is 54729194724
• The number of decimal digits it has is: 11
• The sum of 42749192745's digits is 54
• More coming soon!