40138691993919

Names of 40138691993919

• Cardinal: 40138691993919 can be written as Forty trillion, one hundred thirty-eight billion, six hundred ninety-one million, nine hundred ninety-three thousand, nine hundred nineteen.

Scientific notation

• Scientific notation: 4.0138691993919 × 10¹³

Factors of 40138691993919

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 217

Divisors of 40138691993919

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 27 101 113 303 339 909 1017 2727 3051 10201 11413 12769 30603 34239 38307 91809 102717 114921 275427 308151 344763 1030301 1152713 1289669 1442897 3090903 3458139 3869007 4328691 9272709 10374417 11607021 12986073 27818127 31123251 34821063 38958219 116424013 130256569 145732597 349272039 390769707 437197791 1047816117 1172309121 1311593373 3143448351 3516927363 3934780119 13155913469 14718992297 39467740407 44156976891 118403221221 132470930673 355209663663 397412792019 1486618221997 4459854665991 13379563997973 40138691993919
• Sum of all divisors σ(n): 60595619644800
• Sum of proper divisors (its aliquot sum) s(n): 20456927650881
• 40138691993919 is a deficient number, because the sum of its proper divisors (20456927650881) is less than itself. Its deficiency is 19681764343038

Bases of 40138691993919

• Binary: 1001001000000110000100011110100110000100111111₂
• Hexadecimal: 0x2481847A613F
• Base-36: E87GKV29R

Squares and roots of 40138691993919

• 40138691993919 squared (40138691993919²) is 1611114594982697227932978561
• 40138691993919 cubed (40138691993919³) is 64668032494918041509165841259521769370559
• The square root of 40138691993919 is 6335510.3972702151
• 40138691993919 is a perfect cube number. Its cube root is 34239

Scales and comparisons

• 40,138,691,993,919 seconds is equal to 1,276,286 years, 12 weeks, 6 days, 8 hours, 58 minutes, 39 seconds.
• To count from 1 to 40,138,691,993,919 would take you about three million, one hundred ninety thousand, seven hundred fifteen 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 40138691993919 cubic inches would be around 2853.3 feet tall.

Recreational maths with 40138691993919

• 40138691993919 backwards is 91939919683104
• The number of decimal digits it has is: 14
• The sum of 40138691993919's digits is 72
• More coming soon!