388534050138

Names of 388534050138

• Cardinal: 388534050138 can be written as Three hundred eighty-eight billion, five hundred thirty-four million, fifty thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.88534050138 × 10¹¹

Factors of 388534050138

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19760

Divisors of 388534050138

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 13 26 37 39 61 74 78 111 113 122 183 222 226 339 366 481 678 793 962 1443 1469 1586 2257 2379 2886 2938 4181 4407 4514 4758 6771 6893 8362 8814 12543 13542 13786 19531 20679 25086 29341 39062 41358 54353 58593 58682 88023 89609 108706 117186 163059 176046 179218 253903 255041 268827 326118 507806 510082 537654 722647 761709 765123 1191391 1445294 1523418 1530246 2167941 2207003 2382782 3315533 3574173 4335882 4414006 6621009 6631066 7148346 9394411 9946599 13242018 15488083 18788822 19893198 28183233 28691039 30976166 44081467 46464249 56366466 57382078 81659111 86073117 88162934 92928498 132244401 134627183 163318222 172146234 244977333 264488802 269254366 403881549 489954666 573059071 807763098 1061568443 1146118142 1719177213 1750153379 2123136886 3184705329 3438354426 3500306758 4981205771 5250460137 6369410658 9962411542 10500920274 14943617313 29887234626 64755675023 129511350046 194267025069 388534050138
• Sum of all divisors σ(n): 881325091584
• Sum of proper divisors (its aliquot sum) s(n): 492791041446
• 388534050138 is an abundant number, because the sum of its proper divisors (492791041446) is greater than itself. Its abundance is 104256991308

Bases of 388534050138

• Binary: 101101001110110011011110001110101011010₂
• Hexadecimal: 0x5A766F1D5A
• Base-36: 4YHN53RU

Squares and roots of 388534050138

• 388534050138 squared (388534050138²) is 150958708116637897819044
• 388534050138 cubed (388534050138³) is 58652598268157496543215362347228072
• The square root of 388534050138 is 623324.9955986043
• The cube root of 388534050138 is 7296.9778579183

Scales and comparisons

• 388,534,050,138 seconds is equal to 12,354 years, 9 weeks, 2 days, 21 hours, 2 minutes, 18 seconds.
• To count from 1 to 388,534,050,138 would take you about twenty-four thousand, seven hundred eight 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 388534050138 cubic inches would be around 608.1 feet tall.

Recreational maths with 388534050138

• 388534050138 backwards is 831050435883
• The number of decimal digits it has is: 12
• The sum of 388534050138's digits is 48
• More coming soon!