40195019018

Names of 40195019018

• Cardinal: 40195019018 can be written as Forty billion, one hundred ninety-five million, nineteen thousand and eighteen.

Scientific notation

• Scientific notation: 4.0195019018 × 10¹⁰

Factors of 40195019018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 17379

Divisors of 40195019018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 11 14 22 61 77 122 154 251 427 502 671 854 1342 1757 2761 3514 4697 5522 9394 15311 17047 19327 30622 34094 38654 107177 119329 168421 187517 214354 238658 336842 375034 1039867 1178947 1312619 2079734 2357894 2625238 4278797 7279069 8557594 11438537 14558138 22877074 29951579 47066767 59903158 80069759 94133534 160139518 261006617 329467369 522013234 658934738 1827046319 2871072787 3654092638 5742145574 20097509509 40195019018
• Sum of all divisors σ(n): 76711090176
• Sum of proper divisors (its aliquot sum) s(n): 36516071158
• 40195019018 is a deficient number, because the sum of its proper divisors (36516071158) is less than itself. Its deficiency is 3678947860

Bases of 40195019018

• Binary: 100101011011110011110101000100001010₂
• Hexadecimal: 0x95BCF510A
• Base-36: IGR2R62

Squares and roots of 40195019018

• 40195019018 squared (40195019018²) is 1615639553857381684324
• 40195019018 cubed (40195019018³) is 64940662593530492061088052473832
• The square root of 40195019018 is 200486.9547327207
• The cube root of 40195019018 is 3425.5008489997

Scales and comparisons

• 40,195,019,018 seconds is equal to 1,278 years, 4 weeks, 3 hours, 3 minutes, 38 seconds.
• To count from 1 to 40,195,019,018 would take you about two thousand, five hundred fifty-six 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 40195019018 cubic inches would be around 285.5 feet tall.

Recreational maths with 40195019018

• 40195019018 backwards is 81091059104
• The number of decimal digits it has is: 11
• The sum of 40195019018's digits is 38
• More coming soon!