40128549461

Names of 40128549461

• Cardinal: 40128549461 can be written as Forty billion, one hundred twenty-eight million, five hundred forty-nine thousand, four hundred sixty-one.

Scientific notation

• Scientific notation: 4.0128549461 × 10¹⁰

Factors of 40128549461

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4252

Divisors of 40128549461

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 13 19 49 73 77 91 133 143 209 247 511 539 637 803 931 949 1001 1387 1463 1729 2717 3577 4129 5621 6643 7007 9709 10241 10439 12103 15257 18031 19019 28903 39347 45419 46501 53677 67963 73073 78451 106799 126217 133133 198341 202321 301417 317933 375739 511511 549157 590447 747593 862961 883519 1019863 1388387 2109919 2225531 2630173 3315587 3844099 3918421 4133129 5726923 6040727 7139041 9718709 11218493 14769433 23209109 27428947 28931903 40088461 42285089 43102631 49973287 62996153 74449999 78529451 162463763 192002629 280619227 301718417 440973071 521149993 549706157 818949989 2112028919 3086811497 3648049951 5732649923 40128549461
• Sum of all divisors σ(n): 58532342400
• Sum of proper divisors (its aliquot sum) s(n): 18403792939
• 40128549461 is a deficient number, because the sum of its proper divisors (18403792939) is less than itself. Its deficiency is 21724756522

Bases of 40128549461

• Binary: 100101010111110110010001001001010101₂
• Hexadecimal: 0x957D91255
• Base-36: IFNI2XH

Squares and roots of 40128549461

• 40128549461 squared (40128549461²) is 1610300481843923390521
• 40128549461 cubed (40128549461³) is 64619022532746012258816767059181
• The square root of 40128549461 is 200321.1158640047
• The cube root of 40128549461 is 3423.6115838263

Scales and comparisons

• 40,128,549,461 seconds is equal to 1,275 years, 50 weeks, 19 hours, 17 minutes, 41 seconds.
• To count from 1 to 40,128,549,461 would take you about two thousand, five hundred fifty-one 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 40128549461 cubic inches would be around 285.3 feet tall.

Recreational maths with 40128549461

• 40128549461 backwards is 16494582104
• The number of decimal digits it has is: 11
• The sum of 40128549461's digits is 44
• More coming soon!