644137315933601

Names of 644137315933601

• Cardinal: 644137315933601 can be written as Six hundred forty-four trillion, one hundred thirty-seven billion, three hundred fifteen million, nine hundred thirty-three thousand, six hundred one.

Scientific notation

• Scientific notation: 6.44137315933601 × 10¹⁴

Factors of 644137315933601

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4307

Divisors of 644137315933601

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 47 49 329 343 2209 2303 4253 15463 16121 29771 103823 108241 199891 208397 726761 757687 1399237 1458779 5087327 9394877 9794659 18088009 35611289 65764139 68562613 126616063 441559219 460348973 850136423 886312441 3090914533 3222442811 5950954961 6204187087 21636401731 39956411881 41656684727 151454812117 279694883167 291596793089 1877951358407 1957864182169 13145659508849 13705049275183 92019616561943 644137315933601
• Sum of all divisors σ(n): 767690903616000
• Sum of proper divisors (its aliquot sum) s(n): 123553587682399
• 644137315933601 is a deficient number, because the sum of its proper divisors (123553587682399) is less than itself. Its deficiency is 520583728251202

Bases of 644137315933601

• Binary: 10010010011101011011100111111001110001110110100001₂
• Hexadecimal: 0x249D6E7E71DA1
• Base-36: 6CBSLIRVDT

Squares and roots of 644137315933601

• 644137315933601 squared (644137315933601²) is 414912881778143708714240827201
• 644137315933601 cubed (644137315933601³) is 267260870014848995556289933295955055830680801
• The square root of 644137315933601 is 25379860.4396005493
• The cube root of 644137315933601 is 86362.6883974725

Scales and comparisons

• 644,137,315,933,601 seconds is equal to 20,481,574 years, 10 weeks, 2 days, 11 hours, 46 minutes, 41 seconds.
• To count from 1 to 644,137,315,933,601 would take you about fifty-one million, two hundred three thousand, nine hundred thirty-five 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 644137315933601 cubic inches would be around 7196.9 feet tall.

Recreational maths with 644137315933601

• 644137315933601 backwards is 106339513731446
• The number of decimal digits it has is: 15
• The sum of 644137315933601's digits is 56
• More coming soon!