1785138993373442

Names of 1785138993373442

• Cardinal: 1785138993373442 can be written as One quadrillion, seven hundred eighty-five trillion, one hundred thirty-eight billion, nine hundred ninety-three million, three hundred seventy-three thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.785138993373442 × 10¹⁵

Factors of 1785138993373442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 14022290

Divisors of 1785138993373442

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 89 178 623 1246 102929 205858 720503 1441006 9160681 13919263 18321362 27838526 64124767 97434841 128249534 194869682 1238814407 2477628814 8671700849 17343401698 1432695821327 2865391642654 10028870749289 20057741498578 127509928098103 255019856196206 892569496686721 1785138993373442
• Sum of all divisors σ(n): 3094653262003200
• Sum of proper divisors (its aliquot sum) s(n): 1309514268629758
• 1785138993373442 is a deficient number, because the sum of its proper divisors (1309514268629758) is less than itself. Its deficiency is 475624724743684

Bases of 1785138993373442

• Binary: 110010101111001001100001111100100110010000100000010₂
• Hexadecimal: 0x657930F932102
• Base-36: HKS1J5QC5E

Squares and roots of 1785138993373442

• 1785138993373442 squared (1785138993373442²) is 3186721225662345800787270927364
• 1785138993373442 cubed (1785138993373442³) is 5688740320940661288788965171030347134108666888
• The square root of 1785138993373442 is 42250905.2373252945
• The cube root of 1785138993373442 is 121308.3453126379

Scales and comparisons

• 1,785,138,993,373,442 seconds is equal to 56,761,898 years, 9 weeks, 6 days, 19 hours, 44 minutes, 2 seconds.
• To count from 1 to 1,785,138,993,373,442 would take you about one hundred seventy million, two hundred eighty-five thousand, six hundred ninety-four 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 1785138993373442 cubic inches would be around 10109 feet tall.

Recreational maths with 1785138993373442

• 1785138993373442 backwards is 2443733998315871
• The number of decimal digits it has is: 16
• The sum of 1785138993373442's digits is 77
• More coming soon!