138490502349519323137

Names of 138490502349519323137

• Cardinal: 138490502349519323137 can be written as One hundred thirty-eight quintillion, four hundred ninety quadrillion, five hundred two trillion, three hundred forty-nine billion, five hundred nineteen million, three hundred twenty-three thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 1.38490502349519323137 × 10²⁰

Factors of 138490502349519323137

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 126009599

Divisors of 138490502349519323137

• Number of divisors d(n): 8
• Complete list of divisors:
  1 131171 9036121 116842307 1185277027691 15326322251497 1055801223971147 138490502349519323137
• Sum of all divisors σ(n): 138491574662468583072
• Sum of proper divisors (its aliquot sum) s(n): 1072312949259935
• 138490502349519323137 is a deficient number, because the sum of its proper divisors (1072312949259935) is less than itself. Its deficiency is 138489430036570063202

Bases of 138490502349519323137

• Binary: 1111000000111110001000110100010000111111100100000000000000000000001₂
• Hexadecimal: 0x781F11A21FC800001
• Base-36: T86OXUWAO0001

Squares and roots of 138490502349519323137

• 138490502349519323137 squared (138490502349519323137²) is 19179619241022217162050446794146623520769
• 138490502349519323137 cubed (138490502349519323137³) is 2656195103561673383072848732304553759534865662551144741732353
• The square root of 138490502349519323137 is 11768198772.5190690347
• The cube root of 138490502349519323137 is 5173764.5829935289

Scales and comparisons

• 138,490,502,349,519,323,137 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,490,502,349,519,323,137 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138490502349519323137 cubic inches would be around 431147 feet tall.

Recreational maths with 138490502349519323137

• 138490502349519323137 backwards is 731323915943205094831
• The number of decimal digits it has is: 21
• The sum of 138490502349519323137's digits is 82
• More coming soon!