72811491689326090

Names of 72811491689326090

• Cardinal: 72811491689326090 can be written as Seventy-two quadrillion, eight hundred eleven trillion, four hundred ninety-one billion, six hundred eighty-nine million, three hundred twenty-six thousand and ninety.

Scientific notation

• Scientific notation: 7.281149168932609 × 10¹⁶

Factors of 72811491689326090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6216827

Divisors of 72811491689326090

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 37 73 74 146 185 365 370 730 2701 5402 13505 27010 469009 938018 2345045 4690090 5747701 11495402 17353333 28738505 34237657 34706666 57477010 68475314 86766665 171188285 173533330 212664937 342376570 419582173 425329874 839164346 1063324685 1266793309 2097910865 2126649370 2533586618 4195821730 6333966545 12667933090 15524540401 31049080802 77622702005 155245404010 2695723498309 5391446996618 13478617491545 26957234983090 99741769437433 196787815376557 199483538874866 393575630753114 498708847187165 983939076882785 997417694374330 1967878153765570 7281149168932609 14562298337865218 36405745844663045 72811491689326090
• Sum of all divisors σ(n): 136447055255452320
• Sum of proper divisors (its aliquot sum) s(n): 63635563566126230
• 72811491689326090 is a deficient number, because the sum of its proper divisors (63635563566126230) is less than itself. Its deficiency is 9175928123199860

Bases of 72811491689326090

• Binary: 100000010101011011010101001111001101101010110011000001010₂
• Hexadecimal: 0x102ADAA79B5660A
• Base-36: JWXIPIETHXM

Squares and roots of 72811491689326090

• 72811491689326090 squared (72811491689326090²) is 5301513322024802271370838354688100
• 72811491689326090 cubed (72811491689326090³) is 386011093187460441712965187272006344016281142529000
• The square root of 72811491689326090 is 269836045.9414681129
• The cube root of 72811491689326090 is 417573.8651658685

Scales and comparisons

• 72,811,491,689,326,090 seconds is equal to 2,315,180,214 years, 51 weeks, 3 days, 2 hours, 8 minutes, 10 seconds.
• To count from 1 to 72,811,491,689,326,090 would take you about six billion, nine hundred forty-five million, five hundred forty thousand, six hundred forty-four 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 72811491689326090 cubic inches would be around 34797.8 feet tall.

Recreational maths with 72811491689326090

• 72811491689326090 backwards is 09062398619411827
• The number of decimal digits it has is: 17
• The sum of 72811491689326090's digits is 76
• More coming soon!