381339397791

Names of 381339397791

• Cardinal: 381339397791 can be written as Three hundred eighty-one billion, three hundred thirty-nine million, three hundred ninety-seven thousand, seven hundred ninety-one.

Scientific notation

• Scientific notation: 3.81339397791 × 10¹¹

Factors of 381339397791

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2967

Divisors of 381339397791

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 11 23 33 69 73 99 121 207 219 253 363 657 759 803 1089 1679 2277 2409 2783 2857 5037 5329 7227 8349 8571 8833 15111 15987 18469 25047 25713 26499 31427 47961 55407 58619 65711 79497 94281 122567 166221 175857 197133 203159 208561 282843 345697 367701 527571 591399 609477 625683 644809 722821 1037091 1103103 1348237 1828431 1877049 1934427 2168463 2294171 3111273 4044711 4796903 5803281 6505389 6882513 7951031 12134133 14390709 14830607 15224953 20647539 23853093 25235881 43172127 44491821 45674859 52765933 71559279 75707643 133475463 137024577 158297799 167474483 227122929 350173919 474893397 502423449 580425263 1050521757 1507270347 1741275789 1842219313 3151565271 3851913109 5223827367 5526657939 11555739327 16579973817 34667217981 42371044199 127113132597 381339397791
• Sum of all divisors σ(n): 640771853904
• Sum of proper divisors (its aliquot sum) s(n): 259432456113
• 381339397791 is a deficient number, because the sum of its proper divisors (259432456113) is less than itself. Its deficiency is 121906941678

Bases of 381339397791

• Binary: 101100011001001100110010110111010011111₂
• Hexadecimal: 0x58C9996E9F
• Base-36: 4V6NMQHR

Squares and roots of 381339397791

• 381339397791 squared (381339397791²) is 145419736307602535679681
• 381339397791 cubed (381339397791³) is 55454274670467168891074143414984671
• The square root of 381339397791 is 617526.8397333023
• The cube root of 381339397791 is 7251.6565238393

Scales and comparisons

• 381,339,397,791 seconds is equal to 12,125 years, 21 weeks, 3 days, 10 hours, 29 minutes, 51 seconds.
• To count from 1 to 381,339,397,791 would take you about twenty-four thousand, two hundred fifty 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 381339397791 cubic inches would be around 604.3 feet tall.

Recreational maths with 381339397791

• 381339397791 backwards is 197793933183
• The number of decimal digits it has is: 12
• The sum of 381339397791's digits is 63
• More coming soon!