1420837138

Names of 1420837138

• Cardinal: 1420837138 can be written as One billion, four hundred twenty million, eight hundred thirty-seven thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.420837138 × 10⁹

Factors of 1420837138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 599

Divisors of 1420837138

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 19 38 127 133 137 254 266 274 307 614 889 959 1778 1918 2149 2413 2603 4298 4826 5206 5833 11666 16891 17399 18221 33782 34798 36442 38989 40831 42059 77978 81662 84118 121793 243586 272923 294413 330581 545846 588826 661162 740791 799121 1481582 1598242 2314067 4628134 5185537 5341493 5593847 10371074 10682986 11187694 37390451 74780902 101488367 202976734 710418569 1420837138
• Sum of all divisors σ(n): 2611445760
• Sum of proper divisors (its aliquot sum) s(n): 1190608622
• 1420837138 is a deficient number, because the sum of its proper divisors (1190608622) is less than itself. Its deficiency is 230228516

Bases of 1420837138

• Binary: 1010100101100000100000100010010₂
• Hexadecimal: 0x54B04112
• Base-36: NHXGYA

Squares and roots of 1420837138

• 1420837138 squared (1420837138²) is 2018778172720031044
• 1420837138 cubed (1420837138³) is 2868355001184398583828112072
• The square root of 1420837138 is 37693.9933941733
• The cube root of 1420837138 is 1124.2116980933

Scales and comparisons

• 1,420,837,138 seconds is equal to 45 years, 9 weeks, 1 day, 20 hours, 58 minutes, 58 seconds.
• To count from 1 to 1,420,837,138 would take you about ninety 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 1420837138 cubic inches would be around 93.7 feet tall.

Recreational maths with 1420837138

• 1420837138 backwards is 8317380241
• The number of decimal digits it has is: 10
• The sum of 1420837138's digits is 37
• More coming soon!