813369728655

Names of 813369728655

• Cardinal: 813369728655 can be written as Eight hundred thirteen billion, three hundred sixty-nine million, seven hundred twenty-eight thousand, six hundred fifty-five.

Scientific notation

• Scientific notation: 8.13369728655 × 10¹¹

Factors of 813369728655

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 145

Divisors of 813369728655

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 11 15 27 33 43 45 55 83 99 129 135 165 215 249 297 387 415 473 495 645 747 913 1161 1245 1419 1485 1849 1935 2241 2365 2739 3569 3735 4257 4565 5547 5805 6889 7095 8217 9245 10707 11205 12771 13695 16641 17845 20339 20667 21285 24651 27735 32121 34445 39259 41085 49923 53535 61017 62001 63855 75779 79507 83205 96363 101695 103335 117777 123255 153467 160605 183051 186003 196295 227337 238521 249615 296227 305085 310005 353331 378895 397535 460401 481815 549153 588885 682011 715563 767335 874577 888681 915255 930015 1059993 1136685 1192605 1381203 1481135 1688137 1766655 2046033 2146689 2302005 2623731 2666043 2745765 3258497 3410055 3577815 4143609 4372885 4443405 5064411 5299965 6599081 6906015 7871193 7998129 8440685 9775491 10230165 10733445 12737761 13118655 13330215 15193233 16292485 19797243 20718045 23613579 25322055 29326473 32995405 38213283 39355965 39990645 45579699 48877455 59391729 63688805 72589891 75966165 87979419 98986215 114639849 118067895 140115371 146632365 178175187 191066415 217769673 227898495 296958645 343919547 362949455 420346113 439897095 547723723 573199245 653309019 700576855 890875935 1088848365 1261038339 1643171169 1719597735 1959927057 2101730565 2738618615 3266545095 3783115017 4929513507 6024960953 6305191695 8215855845 9799635285 14788540521 18074882859 18915575085 24647567535 30124804765 54224648577 73942702605 90374414295 162673945731 271123242885 813369728655
• Sum of all divisors σ(n): 1634694336000
• Sum of proper divisors (its aliquot sum) s(n): 821324607345
• 813369728655 is an abundant number, because the sum of its proper divisors (821324607345) is greater than itself. Its abundance is 7954878690

Bases of 813369728655

• Binary: 1011110101100000100111010001111010001111₂
• Hexadecimal: 0xBD609D1E8F
• Base-36: ADNNC39R

Squares and roots of 813369728655

• 813369728655 squared (813369728655²) is 661570315492308328109025
• 813369728655 cubed (813369728655³) is 538101267998181567573634373506611375
• The square root of 813369728655 is 901870.1284858037
• The cube root of 813369728655 is 9334.6062143903

Scales and comparisons

• 813,369,728,655 seconds is equal to 25,862 years, 33 weeks, 2 days, 11 hours, 44 minutes, 15 seconds.
• To count from 1 to 813,369,728,655 would take you about fifty-one thousand, seven hundred twenty-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 813369728655 cubic inches would be around 777.9 feet tall.

Recreational maths with 813369728655

• 813369728655 backwards is 556827963318
• The number of decimal digits it has is: 12
• The sum of 813369728655's digits is 63
• More coming soon!