72840842457929

Names of 72840842457929

• Cardinal: 72840842457929 can be written as Seventy-two trillion, eight hundred forty billion, eight hundred forty-two million, four hundred fifty-seven thousand, nine hundred twenty-nine.

Scientific notation

• Scientific notation: 7.2840842457929 × 10¹³

Factors of 72840842457929

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6598

Divisors of 72840842457929

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 91 191 613 1337 1663 2483 4111 4291 7969 11641 17381 21619 28777 53443 55783 117083 151333 317633 374101 785201 819581 1019419 1522079 2223431 2520043 4129229 5496407 6836593 7135933 10207613 10654553 13252447 17640301 28904603 32760559 47856151 71453291 88875709 92767129 194709029 229323913 481328213 622129963 1305789263 1362963203 2531217377 3369297491 4190831509 6257266769 9140524841 16975260419 17718521639 29335820563 43800867383 54480809617 118826822933 381365667319 800448818219 5603141727533 10405834636847 72840842457929
• Sum of all divisors σ(n): 90342904823808
• Sum of proper divisors (its aliquot sum) s(n): 17502062365879
• 72840842457929 is a deficient number, because the sum of its proper divisors (17502062365879) is less than itself. Its deficiency is 55338780092050

Bases of 72840842457929

• Binary: 10000100011111110010100100010100011001101001001₂
• Hexadecimal: 0x423F948A3349
• Base-36: PTIMCWKEH

Squares and roots of 72840842457929

• 72840842457929 squared (72840842457929²) is 5305788329980832082134969041
• 72840842457929 cubed (72840842457929³) is 386478091859251996883116757130356759976089
• The square root of 72840842457929 is 8534684.6724368791
• The cube root of 72840842457929 is 41762.9966508925

Scales and comparisons

• 72,840,842,457,929 seconds is equal to 2,316,113 years, 24 weeks, 6 days, 5 hours, 25 minutes, 29 seconds.
• To count from 1 to 72,840,842,457,929 would take you about five million, seven hundred ninety thousand, two hundred eighty-three 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 72840842457929 cubic inches would be around 3480.2 feet tall.

Recreational maths with 72840842457929

• 72840842457929 backwards is 92975424804827
• The number of decimal digits it has is: 14
• The sum of 72840842457929's digits is 71
• More coming soon!