4891998623421

Names of 4891998623421

• Cardinal: 4891998623421 can be written as Four trillion, eight hundred ninety-one billion, nine hundred ninety-eight million, six hundred twenty-three thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 4.891998623421 × 10¹²

Factors of 4891998623421

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 205175

Divisors of 4891998623421

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 13 19 21 39 43 57 91 107 129 133 247 273 301 321 399 559 741 749 817 903 1391 1677 1729 2033 2247 2451 3913 4173 4601 5187 5719 6099 9737 10621 11739 13803 14231 17157 26429 29211 31863 32207 42693 59813 74347 79287 87419 96621 179439 185003 204983 223041 262257 418691 555009 611933 614949 1136447 1256073 1434881 1835799 2664779 3409341 3894677 4304643 7955129 7994337 8814269 11684031 18653453 21933181 23865387 26442807 27262739 50630801 55960359 61699883 65799543 81788217 114585497 151892403 153532267 167471111 185099649 285131353 343756491 354415607 416730439 460596801 502413333 802098479 855394059 943126783 1063246821 1172297777 1250191317 1995919471 2177124443 2406295437 2829380349 2917113073 3516893331 5417495707 5987758413 6531373329 6601887481 8751339219 12260648179 15239871101 16252487121 17919408877 19805662443 36781944537 37922469949 45719613303 53758226631 85824537253 113767409847 125435862139 232952315401 257473611759 376307586417 698856946203 1630666207807 4891998623421
• Sum of all divisors σ(n): 8727792353280
• Sum of proper divisors (its aliquot sum) s(n): 3835793729859
• 4891998623421 is a deficient number, because the sum of its proper divisors (3835793729859) is less than itself. Its deficiency is 1056204893562

Bases of 4891998623421

• Binary: 1000111001100000001110101110001011010111101₂
• Hexadecimal: 0x47301D716BD
• Base-36: 1QFCPO7UL

Squares and roots of 4891998623421

• 4891998623421 squared (4891998623421²) is 23931650531552958969743241
• 4891998623421 cubed (4891998623421³) is 117073601456549518205343229361819047461
• The square root of 4891998623421 is 2211786.2969602195
• The cube root of 4891998623421 is 16975.7423617199

Scales and comparisons

• 4,891,998,623,421 seconds is equal to 155,550 years, 22 weeks, 10 hours, 30 minutes, 21 seconds.
• To count from 1 to 4,891,998,623,421 would take you about three hundred eighty-eight thousand, eight hundred seventy-six 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 4891998623421 cubic inches would be around 1414.6 feet tall.

Recreational maths with 4891998623421

• 4891998623421 backwards is 1243268991984
• The number of decimal digits it has is: 13
• The sum of 4891998623421's digits is 66
• More coming soon!