8442193691978221

Names of 8442193691978221

• Cardinal: 8442193691978221 can be written as Eight quadrillion, four hundred forty-two trillion, one hundred ninety-three billion, six hundred ninety-one million, nine hundred seventy-eight thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 8.442193691978221 × 10¹⁵

Factors of 8442193691978221

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1032436

Divisors of 8442193691978221

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 23 31 41 49 161 217 287 713 943 1127 1271 1519 2009 4991 5741 6601 8897 29233 34937 40187 46207 62279 132043 177971 204631 235381 281309 924301 1026593 1245797 1432417 1647667 4093333 5413763 6470107 7186151 7296811 8720579 11533669 23611639 28653331 31824383 37896341 42090313 50303057 51077677 165281473 167826653 200573317 222770681 265274387 294632191 357543739 731960809 968077199 1156970311 1174786571 1304799703 1559394767 2062425337 5123725663 5893670413 6776540393 8223505997 9133597921 30010393169 35866079641 41255692891 47435782751 63935185447 135554419499 182703782803 210072752183 241640486933 288789850237 948880936493 1278926479621 1470509265281 1691483408531 4202187004469 5557731199459 6642166555451 7490855094923 8952485357347 11840383859717 29415309031283 38904118396213 52435985664461 172289667183229 205907163218981 272328828773491 367051899651227 1206027670282603 8442193691978221
• Sum of all divisors σ(n): 10837953314850816
• Sum of proper divisors (its aliquot sum) s(n): 2395759622872595
• 8442193691978221 is a deficient number, because the sum of its proper divisors (2395759622872595) is less than itself. Its deficiency is 6046434069105626

Bases of 8442193691978221

• Binary: 11101111111100010000101100100001000101010100111101101₂
• Hexadecimal: 0x1DFE216422A9ED
• Base-36: 2B4IA8P7ZSD

Squares and roots of 8442193691978221

• 8442193691978221 squared (8442193691978221²) is 71270634332876865791164338324841
• 8442193691978221 cubed (8442193691978221³) is 601680499588299501449762441081260768978595287861
• The square root of 8442193691978221 is 91881411.0251808279
• The cube root of 8442193691978221 is 203619.0642918119

Scales and comparisons

• 8,442,193,691,978,221 seconds is equal to 268,435,645 years, 51 weeks, 1 day, 15 hours, 17 minutes, 1 second.
• To count from 1 to 8,442,193,691,978,221 would take you about eight hundred five million, three hundred six thousand, nine hundred thirty-seven 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 8442193691978221 cubic inches would be around 16968.3 feet tall.

Recreational maths with 8442193691978221

• 8442193691978221 backwards is 1228791963912448
• The number of decimal digits it has is: 16
• The sum of 8442193691978221's digits is 76
• More coming soon!