398988889233082929

Names of 398988889233082929

• Cardinal: 398988889233082929 can be written as Three hundred ninety-eight quadrillion, nine hundred eighty-eight trillion, eight hundred eighty-nine billion, two hundred thirty-three million, eighty-two thousand, nine hundred twenty-nine.

Scientific notation

• Scientific notation: 3.98988889233082929 × 10¹⁷

Factors of 398988889233082929

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14404

Divisors of 398988889233082929

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 9 11 33 99 121 363 1089 1483 4449 12907 13347 16313 38721 48939 116163 141977 146817 179443 425931 538329 1277793 1561747 1614987 4685241 14055723 19141081 57423243 166590649 172269729 210551891 499771947 631655673 1499315841 1832497139 1894967019 2316070801 5497491417 6948212403 16492474251 20157468529 20844637209 60472405587 181417216761 247053932467 741161797401 2223485392203 2717593257137 8152779771411 24458339314233 29893525828507 89680577485521 269041732456563
• Sum of all divisors σ(n): 399147324904905018
• Sum of proper divisors (its aliquot sum) s(n): 158435671822089
• 398988889233082929 is a deficient number, because the sum of its proper divisors (158435671822089) is less than itself. Its deficiency is 398830453561260840

Bases of 398988889233082929

• Binary: 10110001001011111100100011111100100000100001100101000110001₂
• Hexadecimal: 0x5897E47E410CA31
• Base-36: 314LR9BPJ969

Squares and roots of 398988889233082929

• 398988889233082929 squared (398988889233082929²) is 159192133731449318827479413791219041
• 398988889233082929 cubed (398988889233082929³) is 63515892612155356882668700626293510577895777556851089
• 398988889233082929 is a perfect square number. Its square root is 631655673
• The cube root of 398988889233082929 is 736184.9485689193

Scales and comparisons

• 398,988,889,233,082,929 seconds is equal to 12,686,612,523 years, 49 weeks, 1 day, 5 hours, 42 minutes, 9 seconds.
• To count from 1 to 398,988,889,233,082,929 would take you about thirty-eight billion, fifty-nine million, eight hundred thirty-seven thousand, five hundred seventy-one 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 398988889233082929 cubic inches would be around 61348.7 feet tall.

Recreational maths with 398988889233082929

• 398988889233082929 backwards is 929280332988889893
• The number of decimal digits it has is: 18
• The sum of 398988889233082929's digits is 108
• More coming soon!