438888757138

Names of 438888757138

• Cardinal: 438888757138 can be written as Four hundred thirty-eight billion, eight hundred eighty-eight million, seven hundred fifty-seven thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 4.38888757138 × 10¹¹

Factors of 438888757138

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1520

Divisors of 438888757138

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 13 17 26 34 53 61 106 122 221 281 442 562 689 793 901 1037 1093 1378 1586 1802 2074 2186 3233 3653 4777 6466 7306 9554 11713 13481 14209 14893 17141 18581 23426 26962 28418 29786 34282 37162 42029 54961 57929 62101 66673 84058 109922 115858 124202 133346 193609 222833 241553 253181 291397 307133 387218 445666 483106 506362 582794 614266 714493 753077 866749 908473 984793 1133441 1428986 1506154 1733498 1816946 1969586 2266882 3291353 3533669 3788161 3992729 5221261 6582706 7067338 7576322 7985458 10442522 11810149 12802309 14734733 15444041 16278049 18735113 23620298 25604618 29469466 30888082 32556098 37470226 45937697 60072373 67876393 91875394 120144746 135752786 200772533 211614637 243556469 276726833 318496921 401545066 423229274 487112938 553453666 636993842 780940849 992960989 1561881698 1985921978 3597448829 4140459973 7194897658 8280919946 12908492857 16880336813 25816985714 33760673626 219444378569 438888757138
• Sum of all divisors σ(n): 780860896704
• Sum of proper divisors (its aliquot sum) s(n): 341972139566
• 438888757138 is a deficient number, because the sum of its proper divisors (341972139566) is less than itself. Its deficiency is 96916617572

Bases of 438888757138

• Binary: 110011000101111110011101111011110010010₂
• Hexadecimal: 0x662FCEF792
• Base-36: 5LMF18CY

Squares and roots of 438888757138

• 438888757138 squared (438888757138²) is 192623341142138345951044
• 438888757138 cubed (438888757138³) is 84540218789642080054104775753552072
• The square root of 438888757138 is 662486.7977084525
• The cube root of 438888757138 is 7599.4964875217

Scales and comparisons

• 438,888,757,138 seconds is equal to 13,955 years, 15 weeks, 5 days, 23 hours, 38 minutes, 58 seconds.
• To count from 1 to 438,888,757,138 would take you about twenty-seven thousand, nine hundred ten 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 438888757138 cubic inches would be around 633.3 feet tall.

Recreational maths with 438888757138

• 438888757138 backwards is 831757888834
• The number of decimal digits it has is: 12
• The sum of 438888757138's digits is 70
• More coming soon!