438243980985

Names of 438243980985

• Cardinal: 438243980985 can be written as Four hundred thirty-eight billion, two hundred forty-three million, nine hundred eighty thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 4.38243980985 × 10¹¹

Factors of 438243980985

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 233

Divisors of 438243980985

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 15 17 27 41 45 51 85 123 135 153 167 205 255 369 459 501 615 697 765 835 1107 1503 1845 2091 2295 2505 2839 3485 4509 5535 6273 6847 7515 8517 10455 14195 18819 20541 22545 25551 27889 31365 34235 42585 61623 76653 83667 94095 102705 116399 127755 139445 184869 251001 308115 349197 383265 418335 474113 581995 753003 924345 1047591 1143449 1255005 1422339 1745985 2370565 3142773 3430347 3765015 4267017 4657463 5237955 5717245 7111695 10291041 12801051 13972389 15713865 17151735 19438633 21335085 23287315 30873123 41917167 51455205 58315899 64005255 69861945 79176871 97193165 125751501 154365615 174947697 190955983 209585835 237530613 291579495 395884355 524843091 572867949 628757505 712591839 874738485 954779915 1187653065 1718603847 2137775517 2624215455 2864339745 3246251711 3562959195 5155811541 8593019235 9738755133 10688877585 16231258555 25779057705 29216265399 48693775665 87648796197 146081326995 438243980985
• Sum of all divisors σ(n): 850140748800
• Sum of proper divisors (its aliquot sum) s(n): 411896767815
• 438243980985 is a deficient number, because the sum of its proper divisors (411896767815) is less than itself. Its deficiency is 26347213170

Bases of 438243980985

• Binary: 110011000001001011000000111011010111001₂
• Hexadecimal: 0x66096076B9
• Base-36: 5LBR5FW9

Squares and roots of 438243980985

• 438243980985 squared (438243980985²) is 192057786869581041570225
• 438243980985 cubed (438243980985³) is 84168169096893856656818179442171625
• The square root of 438243980985 is 661999.9856382173
• The cube root of 438243980985 is 7595.7731631597

Scales and comparisons

• 438,243,980,985 seconds is equal to 13,934 years, 41 weeks, 5 days, 7 hours, 9 minutes, 45 seconds.
• To count from 1 to 438,243,980,985 would take you about twenty-seven thousand, eight hundred sixty-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 438243980985 cubic inches would be around 633 feet tall.

Recreational maths with 438243980985

• 438243980985 backwards is 589089342834
• The number of decimal digits it has is: 12
• The sum of 438243980985's digits is 63
• More coming soon!