820923505864

Names of 820923505864

• Cardinal: 820923505864 can be written as Eight hundred twenty billion, nine hundred twenty-three million, five hundred five thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 8.20923505864 × 10¹¹

Factors of 820923505864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1046

Divisors of 820923505864

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 11 14 17 22 28 34 44 49 56 68 77 88 98 119 121 136 154 187 196 238 242 308 374 392 476 484 539 616 748 833 847 952 968 1009 1078 1309 1496 1666 1694 2018 2057 2156 2618 3332 3388 4036 4114 4312 5236 5929 6664 6776 7063 8072 8228 9163 10472 11099 11858 14126 14399 16456 17153 18326 22198 23716 28252 28798 34306 36652 44396 47432 49441 56504 57596 68612 73304 77693 88792 98882 100793 115192 120071 122089 137224 155386 188683 197764 201586 240142 244178 310772 377366 395528 403172 480284 488356 543851 621544 754732 806344 840497 854623 960568 976712 1018081 1087702 1320781 1509464 1680994 1709246 2036162 2075513 2175404 2641562 3361988 3418492 4072324 4151026 4350808 5283124 5982361 6723976 6836984 7126567 8144648 8302052 9245467 10566248 11198891 11964722 14253134 14528591 16604104 17307377 18490934 22397782 23929444 28506268 29057182 34614754 36981868 44795564 47858888 49885969 57012536 58114364 69229508 73963736 78392237 89591128 99771938 101700137 116228728 121151639 123187801 138459016 156784474 190381147 199543876 203400274 242303278 246375602 313568948 380762294 399087752 406800548 484606556 492751204 548745659 627137896 761524588 813601096 848061473 862314607 969213112 985502408 1097491318 1332668029 1523049176 1696122946 1724629214 2094192617 2194982636 2665336058 3392245892 3449258428 4188385234 4389965272 5330672116 6036202249 6784491784 6898516856 8376770468 9328676203 10661344232 12072404498 14659348319 16753540936 18657352406 24144808996 29318696638 37314704812 48289617992 58637393276 74629409624 102615438233 117274786552 205230876466 410461752932 820923505864
• Sum of all divisors σ(n): 2085946795170
• Sum of proper divisors (its aliquot sum) s(n): 1265023289306
• 820923505864 is an abundant number, because the sum of its proper divisors (1265023289306) is greater than itself. Its abundance is 444099783442

Bases of 820923505864

• Binary: 1011111100100010110110101001110011001000₂
• Hexadecimal: 0xBF22DA9CC8
• Base-36: AH4KNR2G

Squares and roots of 820923505864

• 820923505864 squared (820923505864²) is 673915402480040842386496
• 820923505864 cubed (820923505864³) is 553232994859663728617830148810412544
• The square root of 820923505864 is 906048.2911324319
• The cube root of 820923505864 is 9363.4140951161

Scales and comparisons

• 820,923,505,864 seconds is equal to 26,102 years, 43 weeks, 11 hours, 11 minutes, 4 seconds.
• To count from 1 to 820,923,505,864 would take you about fifty-two thousand, two hundred 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 820923505864 cubic inches would be around 780.3 feet tall.

Recreational maths with 820923505864

• 820923505864 backwards is 468505329028
• The number of decimal digits it has is: 12
• The sum of 820923505864's digits is 52
• More coming soon!