1804321949790721

Names of 1804321949790721

• Cardinal: 1804321949790721 can be written as One quadrillion, eight hundred four trillion, three hundred twenty-one billion, nine hundred forty-nine million, seven hundred ninety thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.804321949790721 × 10¹⁵

Factors of 1804321949790721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1261

Divisors of 1804321949790721

• Number of divisors d(n): 27
• Complete list of divisors:
  1 163 347 751 26569 56561 120409 122413 260597 564001 9219443 19626667 19953319 42477311 90427159 91932163 195708347 3199146721 6923801693 14739626917 14984942569 31900460561 67910796409 2402559187471 5199775071443 11069459814667 1804321949790721
• Sum of all divisors σ(n): 1823133873135393
• Sum of proper divisors (its aliquot sum) s(n): 18811923344672
• 1804321949790721 is a deficient number, because the sum of its proper divisors (18811923344672) is less than itself. Its deficiency is 1785510026446049

Bases of 1804321949790721

• Binary: 110011010010000010101110000111000001011001000000001₂
• Hexadecimal: 0x6690570E0B201
• Base-36: HRKU26OYDD

Squares and roots of 1804321949790721

• 1804321949790721 squared (1804321949790721²) is 3255577698496589113295697699841
• 1804321949790721 cubed (1804321949790721³) is 5874110300646553692086796527346217491024975361
• 1804321949790721 is a perfect square number. Its square root is 42477311
• The cube root of 1804321949790721 is 121741.3212469975

Scales and comparisons

• 1,804,321,949,790,721 seconds is equal to 57,371,856 years, 45 weeks, 1 day, 8 hours, 32 minutes, 1 second.
• To count from 1 to 1,804,321,949,790,721 would take you about one hundred seventy-two million, one hundred fifteen thousand, five hundred seventy 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 1804321949790721 cubic inches would be around 10145.1 feet tall.

Recreational maths with 1804321949790721

• 1804321949790721 backwards is 1270979491234081
• The number of decimal digits it has is: 16
• The sum of 1804321949790721's digits is 67
• More coming soon!