1381835730

Names of 1381835730

• Cardinal: 1381835730 can be written as One billion, three hundred eighty-one million, eight hundred thirty-five thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.38183573 × 10⁹

Factors of 1381835730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2693

Divisors of 1381835730

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 151 165 242 302 330 363 453 605 726 755 906 1210 1510 1661 1815 2265 2521 3322 3630 4530 4983 5042 7563 8305 9966 12605 15126 16610 18271 24915 25210 27731 36542 37815 49830 54813 55462 75630 83193 91355 109626 138655 166386 182710 274065 277310 305041 380671 415965 548130 610082 761342 831930 915123 1142013 1525205 1830246 1903355 2284026 3050410 3806710 4187381 4575615 5710065 8374762 9151230 11420130 12562143 20936905 25124286 41873810 46061191 62810715 92122382 125621430 138183573 230305955 276367146 460611910 690917865 1381835730
• Sum of all divisors σ(n): 3670902144
• Sum of proper divisors (its aliquot sum) s(n): 2289066414
• 1381835730 is an abundant number, because the sum of its proper divisors (2289066414) is greater than itself. Its abundance is 907230684

Bases of 1381835730

• Binary: 1010010010111010010001111010010₂
• Hexadecimal: 0x525D23D2
• Base-36: MUPJ9U

Squares and roots of 1381835730

• 1381835730 squared (1381835730²) is 1909469984704632900
• 1381835730 cubed (1381835730³) is 2638573850227415237753517000
• The square root of 1381835730 is 37173.0511257819
• The cube root of 1381835730 is 1113.8297306129

Scales and comparisons

• 1,381,835,730 seconds is equal to 43 years, 48 weeks, 5 days, 11 hours, 15 minutes, 30 seconds.
• To count from 1 to 1,381,835,730 would take you about eighty-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 1381835730 cubic inches would be around 92.8 feet tall.

Recreational maths with 1381835730

• 1381835730 backwards is 0375381831
• The number of decimal digits it has is: 10
• The sum of 1381835730's digits is 39
• More coming soon!