842781940794693

Names of 842781940794693

• Cardinal: 842781940794693 can be written as Eight hundred forty-two trillion, seven hundred eighty-one billion, nine hundred forty million, seven hundred ninety-four thousand, six hundred ninety-three.

Scientific notation

• Scientific notation: 8.42781940794693 × 10¹⁴

Factors of 842781940794693

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 40287

Divisors of 842781940794693

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 27 81 107 321 963 1223 2161 2889 3669 6483 8667 11007 19449 33021 36793 58347 99063 110379 130861 175041 231227 331137 392583 693681 993411 1177749 2081043 2642903 2980233 3533247 3936851 6243129 7928709 10599741 11810553 18729387 23786127 35431659 44997839 71358381 79509673 106294977 134993517 214075143 238529019 282790621 318884931 404980551 715587057 848371863 1214941653 2146761171 2545115589 3644824959 4814768773 6440283513 7635346767 8507535011 14444306319 22906040301 25522605033 43332918957 76567815099 97240330079 129998756871 229703445297 291720990237 389996270613 689110335891 875162970711 2625488912133 7876466736399 10404715318453 31214145955359 93642437866077 280927313598231 842781940794693
• Sum of all divisors σ(n): 1272398760141696
• Sum of proper divisors (its aliquot sum) s(n): 429616819347003
• 842781940794693 is a deficient number, because the sum of its proper divisors (429616819347003) is less than itself. Its deficiency is 413165121447690

Bases of 842781940794693

• Binary: 10111111101000000101110110001101000100010101000101₂
• Hexadecimal: 0x2FE8176344545
• Base-36: 8AQOOFKBB9

Squares and roots of 842781940794693

• 842781940794693 squared (842781940794693²) is 710281399729669417120376964249
• 842781940794693 cubed (842781940794693³) is 598612336574541923314750689560726593909930557
• The square root of 842781940794693 is 29030706.8600592811
• The cube root of 842781940794693 is 94457.9262998809

Scales and comparisons

• 842,781,940,794,693 seconds is equal to 26,797,858 years, 42 weeks, 5 days, 1 hour, 11 minutes, 33 seconds.
• To count from 1 to 842,781,940,794,693 would take you about sixty-six million, nine hundred ninety-four thousand, six hundred forty-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 842781940794693 cubic inches would be around 7871.5 feet tall.

Recreational maths with 842781940794693

• 842781940794693 backwards is 396497049187248
• 842781940794693 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 842781940794693's digits is 81
• More coming soon!