72828326639741391

Names of 72828326639741391

• Cardinal: 72828326639741391 can be written as Seventy-two quadrillion, eight hundred twenty-eight trillion, three hundred twenty-six billion, six hundred thirty-nine million, seven hundred forty-one thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 7.2828326639741391 × 10¹⁶

Factors of 72828326639741391

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 106115324676

Divisors of 72828326639741391

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 9 27 37 81 111 229 333 687 999 2061 2997 6183 8473 18549 25419 76257 228771 686313 106115324407 318345973221 955037919663 2865113758989 3926267003059 8595341276967 11778801009177 24300409289203 35336403027531 72901227867609 106009209082593 218703683602827 318027627247779 656111050808481 899115143700511 1968333152425443 2697345431101533 8092036293304599 24276108879913797 72828326639741391
• Sum of all divisors σ(n): 112221200174436320
• Sum of proper divisors (its aliquot sum) s(n): 39392873534694929
• 72828326639741391 is a deficient number, because the sum of its proper divisors (39392873534694929) is less than itself. Its deficiency is 33435453105046462

Bases of 72828326639741391

• Binary: 100000010101111001111101000101010111100101010100111001111₂
• Hexadecimal: 0x102BCFA2AF2A9CF
• Base-36: JX3HJDPMPXR

Squares and roots of 72828326639741391

• 72828326639741391 squared (72828326639741391²) is 5303965161144865568151979358614881
• 72828326639741391 cubed (72828326639741391³) is 386278907241666852829903021352028036202777804239471
• The square root of 72828326639741391 is 269867238.9152514211
• The cube root of 72828326639741391 is 417606.0454963139

Scales and comparisons

• 72,828,326,639,741,391 seconds is equal to 2,315,715,514 years, 17 weeks, 4 days, 5 hours, 29 minutes, 51 seconds.
• To count from 1 to 72,828,326,639,741,391 would take you about six billion, nine hundred forty-seven million, one hundred forty-six thousand, five hundred forty-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 72828326639741391 cubic inches would be around 34800.5 feet tall.

Recreational maths with 72828326639741391

• 72828326639741391 backwards is 19314793662382827
• 72828326639741391 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 72828326639741391's digits is 81
• More coming soon!