1380217839

Names of 1380217839

• Cardinal: 1380217839 can be written as One billion, three hundred eighty million, two hundred seventeen thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.380217839 × 10⁹

Factors of 1380217839

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 208

Divisors of 1380217839

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 11 13 21 33 39 47 49 77 91 121 127 141 143 147 231 273 329 363 381 429 517 539 611 637 847 889 987 1001 1397 1551 1573 1617 1651 1833 1911 2303 2541 2667 3003 3619 4191 4277 4719 4953 5687 5929 5969 6223 6721 6909 7007 9779 10857 11011 11557 12831 15367 17061 17787 17907 18161 18669 20163 21021 25333 29337 29939 33033 34671 39809 41783 46101 47047 54483 65659 68453 73931 75999 77077 77597 80899 89817 107569 119427 125349 127127 141141 196977 199771 205359 221793 231231 232791 242697 278663 292481 322707 329329 381381 459613 517517 543179 599313 722249 752983 835989 853567 877443 889889 987987 1378839 1398397 1552551 1629537 2166747 2258949 2560701 2669667 3217291 3622619 3802253 4195191 5055743 5974969 9389237 9651873 9788779 10867857 11406759 15167229 17924907 28167711 29366337 35390201 41824783 65724659 106170603 125474349 197173977 460072613 1380217839
• Sum of all divisors σ(n): 2608349184
• Sum of proper divisors (its aliquot sum) s(n): 1228131345
• 1380217839 is a deficient number, because the sum of its proper divisors (1228131345) is less than itself. Its deficiency is 152086494

Bases of 1380217839

• Binary: 1010010010001000111001111101111₂
• Hexadecimal: 0x524473EF
• Base-36: MTQUWF

Squares and roots of 1380217839

• 1380217839 squared (1380217839²) is 1905001283093829921
• 1380217839 cubed (1380217839³) is 2629316754243993167796160719
• The square root of 1380217839 is 37151.2831406939
• The cube root of 1380217839 is 1113.3948600961

Scales and comparisons

• 1,380,217,839 seconds is equal to 43 years, 46 weeks, 17 hours, 50 minutes, 39 seconds.
• To count from 1 to 1,380,217,839 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 1380217839 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380217839

• 1380217839 backwards is 9387120831
• The number of decimal digits it has is: 10
• The sum of 1380217839's digits is 42
• More coming soon!