126390726990

Names of 126390726990

• Cardinal: 126390726990 can be written as One hundred twenty-six billion, three hundred ninety million, seven hundred twenty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.2639072699 × 10¹¹

Factors of 126390726990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11320

Divisors of 126390726990

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 11299 22598 33897 56495 67794 101691 112990 124289 169485 203382 248578 338970 372867 508455 621445 745734 1016910 1118601 1242890 1864335 2237202 3728670 5593005 11186010 127667401 255334802 383002203 638337005 766004406 1149006609 1276674010 1404341411 1915011015 2298013218 2808682822 3830022030 4213024233 5745033045 7021707055 8426048466 11490066090 12639072699 14043414110 21065121165 25278145398 42130242330 63195363495 126390726990
• Sum of all divisors σ(n): 358521792408
• Sum of proper divisors (its aliquot sum) s(n): 232131065418
• 126390726990 is an abundant number, because the sum of its proper divisors (232131065418) is greater than itself. Its abundance is 105740338428

Bases of 126390726990

• Binary: 1110101101101011110010111000101001110₂
• Hexadecimal: 0x1D6D79714E
• Base-36: 1M29RX3I

Squares and roots of 126390726990

• 126390726990 squared (126390726990²) is 15974615869060714460100
• 126390726990 cubed (126390726990³) is 2019043313076574349060844348099000
• The square root of 126390726990 is 355514.7352642361
• The cube root of 126390726990 is 5018.4746796999

Scales and comparisons

• 126,390,726,990 seconds is equal to 4,018 years, 43 weeks, 2 days, 15 hours, 16 minutes, 30 seconds.
• To count from 1 to 126,390,726,990 would take you about eight thousand and thirty-seven 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 126390726990 cubic inches would be around 418.2 feet tall.

Recreational maths with 126390726990

• 126390726990 backwards is 099627093621
• The number of decimal digits it has is: 12
• The sum of 126390726990's digits is 54
• More coming soon!