138079486870277640

Names of 138079486870277640

• Cardinal: 138079486870277640 can be written as One hundred thirty-eight quadrillion, seventy-nine trillion, four hundred eighty-six billion, eight hundred seventy million, two hundred seventy-seven thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3807948687027764 × 10¹⁷

Factors of 138079486870277640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11171479520362

Divisors of 138079486870277640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 103 120 206 309 412 515 618 824 1030 1236 1545 2060 2472 3090 4120 6180 12360 11171479520249 22342959040498 33514438560747 44685918080996 55857397601245 67028877121494 89371836161992 111714795202490 134057754242988 167572192803735 223429590404980 268115508485976 335144385607470 446859180809960 670288771214940 1150662390585647 1340577542429880 2301324781171294 3451987171756941 4602649562342588 5753311952928235 6903974343513882 9205299124685176 11506623905856470 13807948687027764 17259935858784705 23013247811712940 27615897374055528 34519871717569410 46026495623425880 69039743435138820 138079486870277640
• Sum of all divisors σ(n): 418260193238160000
• Sum of proper divisors (its aliquot sum) s(n): 280180706367882360
• 138079486870277640 is an abundant number, because the sum of its proper divisors (280180706367882360) is greater than itself. Its abundance is 142101219497604720

Bases of 138079486870277640

• Binary: 111101010100011101000111111001101101010111100111000001000₂
• Hexadecimal: 0x1EA8E8FCDABCE08
• Base-36: 11RL3CKFUZGO

Squares and roots of 138079486870277640

• 138079486870277640 squared (138079486870277640²) is 19065944694359175174369250683969600
• 138079486870277640 cubed (138079486870277640³) is 2632615860094207360438290791744330781439049319744000
• The square root of 138079486870277640 is 371590482.7498648949
• The cube root of 138079486870277640 is 516864.1236484733

Scales and comparisons

• 138,079,486,870,277,640 seconds is equal to 4,390,500,574 years, 30 weeks, 17 hours, 34 minutes.
• To count from 1 to 138,079,486,870,277,640 would take you about thirteen billion, one hundred seventy-one million, five hundred one thousand, seven hundred twenty-three 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 138079486870277640 cubic inches would be around 43072 feet tall.

Recreational maths with 138079486870277640

• 138079486870277640 backwards is 046772078684970831
• The number of decimal digits it has is: 18
• The sum of 138079486870277640's digits is 87
• More coming soon!