1380138507

Names of 1380138507

• Cardinal: 1380138507 can be written as One billion, three hundred eighty million, one hundred thirty-eight thousand, five hundred seven.

Scientific notation

• Scientific notation: 1.380138507 × 10⁹

Factors of 1380138507

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1797

Divisors of 1380138507

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 11 27 29 31 33 81 87 93 99 261 279 297 319 341 783 837 891 899 957 1023 1723 2349 2511 2697 2871 3069 5169 8091 8613 9207 9889 15507 18953 24273 25839 27621 29667 46521 49967 53413 56859 72819 89001 139563 149901 160239 170577 267003 449703 480717 511731 549637 587543 801009 1349109 1442151 1535193 1548977 1648911 1762629 4047327 4326453 4646931 4946733 5287887 13940793 14840199 15863661 17038747 41822379 44520597 47590983 51116241 125467137 153348723 460046169 1380138507
• Sum of all divisors σ(n): 2403118080
• Sum of proper divisors (its aliquot sum) s(n): 1022979573
• 1380138507 is a deficient number, because the sum of its proper divisors (1022979573) is less than itself. Its deficiency is 357158934

Bases of 1380138507

• Binary: 1010010010000110011111000001011₂
• Hexadecimal: 0x52433E0B
• Base-36: MTP5OR

Squares and roots of 1380138507

• 1380138507 squared (1380138507²) is 1904782298504189049
• 1380138507 cubed (1380138507³) is 2628863397617599807332609843
• The square root of 1380138507 is 37150.2154367913
• The cube root of 1380138507 is 1113.3735278277

Scales and comparisons

• 1,380,138,507 seconds is equal to 43 years, 45 weeks, 6 days, 19 hours, 48 minutes, 27 seconds.
• To count from 1 to 1,380,138,507 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 1380138507 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380138507

• 1380138507 backwards is 7058310831
• The number of decimal digits it has is: 10
• The sum of 1380138507's digits is 36
• More coming soon!