138661948391688

Names of 138661948391688

• Cardinal: 138661948391688 can be written as One hundred thirty-eight trillion, six hundred sixty-one billion, nine hundred forty-eight million, three hundred ninety-one thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38661948391688 × 10¹⁴

Factors of 138661948391688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 74166844

Divisors of 138661948391688

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1129 1656 2258 3387 4516 6774 9032 10161 13548 20322 25967 27096 40644 51934 77901 81288 103868 155802 207736 233703 311604 467406 623208 934812 1869624 74165687 148331374 222497061 296662748 444994122 593325496 667491183 889988244 1334982366 1705810801 1779976488 2669964732 3411621602 5117432403 5339929464 6823243204 10234864806 13646486408 15352297209 20469729612 30704594418 40939459224 61409188836 83733060623 122818377672 167466121246 251199181869 334932242492 502398363738 669864484984 753597545607 1004796727476 1507195091214 1925860394329 2009593454952 3014390182428 3851720788658 5777581182987 6028780364856 7703441577316 11555162365974 15406883154632 17332743548961 23110324731948 34665487097922 46220649463896 69330974195844 138661948391688
• Sum of all divisors σ(n): 392217824419200
• Sum of proper divisors (its aliquot sum) s(n): 253555876027512
• 138661948391688 is an abundant number, because the sum of its proper divisors (253555876027512) is greater than itself. Its abundance is 114893927635824

Bases of 138661948391688

• Binary: 11111100001110011000000001011011000000100001000₂
• Hexadecimal: 0x7E1CC02D8108
• Base-36: 1D5GF3XDE0

Squares and roots of 138661948391688

• 138661948391688 squared (138661948391688²) is 19227135931779146329867489344
• 138661948391688 cubed (138661948391688³) is 2666072130292329954723186921961419278172672
• The square root of 138661948391688 is 11775480.8136096081
• The cube root of 138661948391688 is 51758.9867802595

Scales and comparisons

• 138,661,948,391,688 seconds is equal to 4,409,021 years, 2 weeks, 3 days, 22 hours, 34 minutes, 48 seconds.
• To count from 1 to 138,661,948,391,688 would take you about eleven million, twenty-two thousand, five hundred fifty-two 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 138661948391688 cubic inches would be around 4313.2 feet tall.

Recreational maths with 138661948391688

• 138661948391688 backwards is 886193849166831
• The number of decimal digits it has is: 15
• The sum of 138661948391688's digits is 81
• More coming soon!