42130726749

Names of 42130726749

• Cardinal: 42130726749 can be written as Forty-two billion, one hundred thirty million, seven hundred twenty-six thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 4.2130726749 × 10¹⁰

Factors of 42130726749

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 851

Divisors of 42130726749

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 19 27 29 43 57 81 87 129 171 261 387 513 551 757 783 817 841 1161 1247 1539 1653 2271 2349 2451 2523 3483 3741 4959 6813 7353 7569 11223 14383 14877 15979 20439 21953 22059 22707 23693 32551 33669 36163 43149 44631 47937 61317 65859 66177 68121 71079 97653 101007 108489 129447 143811 197577 213237 292959 325467 388341 417107 431433 592731 618469 636637 639711 687097 878877 943979 976401 1165023 1251321 1294299 1778193 1855407 1909911 1919133 2061291 2636631 2831937 2929203 3753963 5566221 5729733 6183873 8495811 11261889 12096103 16698663 17189199 17935601 18551619 25487433 27375391 33785667 36288309 50095989 51567597 53806803 55654857 76462299 82126173 108864927 161420409 246378519 326594781 484261227 520132429 739135557 979784343 1452783681 1560397287 2217406671 4681191861 14043575583 42130726749
• Sum of all divisors σ(n): 70300012640
• Sum of proper divisors (its aliquot sum) s(n): 28169285891
• 42130726749 is a deficient number, because the sum of its proper divisors (28169285891) is less than itself. Its deficiency is 13961440858

Bases of 42130726749

• Binary: 100111001111001011111101111101011101₂
• Hexadecimal: 0x9CF2FDF5D
• Base-36: JCRJOT9

Squares and roots of 42130726749

• 42130726749 squared (42130726749²) is 1774998136398904109001
• 42130726749 cubed (42130726749³) is 74781961464606459879374442367749
• The square root of 42130726749 is 205257.7081354071
• The cube root of 42130726749 is 3479.6293355207

Scales and comparisons

• 42,130,726,749 seconds is equal to 1,339 years, 32 weeks, 4 days, 3 hours, 39 minutes, 9 seconds.
• To count from 1 to 42,130,726,749 would take you about two thousand, six hundred seventy-nine 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 42130726749 cubic inches would be around 290 feet tall.

Recreational maths with 42130726749

• 42130726749 backwards is 94762703124
• The number of decimal digits it has is: 11
• The sum of 42130726749's digits is 45
• More coming soon!