842645727945

Names of 842645727945

• Cardinal: 842645727945 can be written as Eight hundred forty-two billion, six hundred forty-five million, seven hundred twenty-seven thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 8.42645727945 × 10¹¹

Factors of 842645727945

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 69430

Divisors of 842645727945

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 35 45 57 63 95 105 133 135 171 189 285 315 399 513 665 683 855 945 1197 1995 2049 2565 3415 3591 4781 5985 6147 10245 12977 14343 17955 18441 23905 30735 38931 43029 64885 68713 71715 90839 92205 116793 129087 194655 206139 215145 272517 343565 350379 454195 480991 583965 618417 645435 817551 1030695 1305547 1362585 1442973 1751895 1855251 2404955 2452653 3092085 3916641 4087755 4328919 6527735 7214865 9138829 9276255 11749923 12263265 12986757 19583205 21644595 27416487 35249769 45694145 46930979 58749615 64933785 82249461 137082435 140792937 176248845 234654895 246748383 328516853 411247305 422378811 703964685 891688601 985550559 1233741915 1267136433 1642584265 2111894055 2675065803 2956651677 4458443005 4927752795 6241820207 6335682165 8025197409 8869955031 13375329015 14783258385 18725460621 24075592227 31209101035 40125987045 44349775155 56176381863 93627303105 120377961135 168529145589 280881909315 842645727945
• Sum of all divisors σ(n): 1804814438400
• Sum of proper divisors (its aliquot sum) s(n): 962168710455
• 842645727945 is an abundant number, because the sum of its proper divisors (962168710455) is greater than itself. Its abundance is 119522982510

Bases of 842645727945

• Binary: 1100010000110001100110010110101011001001₂
• Hexadecimal: 0xC431996AC9
• Base-36: AR3TICW9

Squares and roots of 842645727945

• 842645727945 squared (842645727945²) is 710051822823958953923025
• 842645727945 cubed (842645727945³) is 598322135122169058315268114621433625
• The square root of 842645727945 is 917957.3671718093
• The cube root of 842645727945 is 9445.2837171475

Scales and comparisons

• 842,645,727,945 seconds is equal to 26,793 years, 27 weeks, 3 days, 1 hour, 45 minutes, 45 seconds.
• To count from 1 to 842,645,727,945 would take you about fifty-three thousand, five hundred eighty-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 842645727945 cubic inches would be around 787.1 feet tall.

Recreational maths with 842645727945

• 842645727945 backwards is 549727546248
• 842645727945 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 842645727945's digits is 63
• More coming soon!