64742166225

Names of 64742166225

• Cardinal: 64742166225 can be written as Sixty-four billion, seven hundred forty-two million, one hundred sixty-six thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 6.4742166225 × 10¹⁰

Factors of 64742166225

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1962

Divisors of 64742166225

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 9 11 15 25 31 33 41 45 55 75 93 99 121 123 155 165 205 225 275 279 341 363 369 451 465 495 605 615 775 825 1023 1025 1089 1271 1353 1395 1705 1815 1845 1871 2255 2325 2475 3025 3069 3075 3751 3813 4059 4961 5115 5445 5613 6355 6765 6975 8525 9075 9225 9355 11253 11275 11439 13981 14883 15345 16839 18755 19065 20295 20581 24805 25575 27225 28065 31775 33759 33825 41943 44649 46775 56265 57195 58001 61743 69905 74415 76711 76725 84195 93775 95325 101475 102905 124025 125829 140325 153791 168795 174003 185229 209715 223245 226391 230133 281325 285975 290005 308715 349525 372075 383555 420975 461373 514525 522009 629145 638011 679173 690399 768955 843821 843975 870015 926145 1048575 1116225 1131955 1150665 1384119 1450025 1543575 1914033 1917775 2037519 2306865 2378041 2531463 2610045 3145725 3190055 3395865 3451995 3844775 4219105 4350075 4630725 5659775 5742099 5753325 6920595 7018121 7134123 7594389 9282031 9570165 10187595 11534325 11890205 12657315 13050225 15950275 16979325 17259975 21054363 21095525 21402369 26158451 27846093 28710495 34602975 35090605 35670615 37971945 46410155 47850825 50937975 59451025 63163089 63286575 78475353 83538279 105271815 107011845 130792255 139230465 143552475 175453025 178353075 189859725 232050775 235426059 287742961 315815445 392376765 417691395 526359075 535059225 653961275 696152325 863228883 1177130295 1438714805 1579077225 1961883825 2088456975 2589686649 4316144415 5885651475 7193574025 12948433245 21580722075 64742166225
• Sum of all divisors σ(n): 134853368832
• Sum of proper divisors (its aliquot sum) s(n): 70111202607
• 64742166225 is an abundant number, because the sum of its proper divisors (70111202607) is greater than itself. Its abundance is 5369036382

Bases of 64742166225

• Binary: 111100010010111011110000111011010001₂
• Hexadecimal: 0xF12EF0ED1
• Base-36: TQPTB69

Squares and roots of 64742166225

• 64742166225 squared (64742166225²) is 4191548087505530750625
• 64742166225 cubed (64742166225³) is 271369903021363917463812772640625
• The square root of 64742166225 is 254444.8196073169
• The cube root of 64742166225 is 4015.4024116583

Scales and comparisons

• 64,742,166,225 seconds is equal to 2,058 years, 31 weeks, 1 day, 15 hours, 3 minutes, 45 seconds.
• To count from 1 to 64,742,166,225 would take you about four thousand, one hundred seventeen 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 64742166225 cubic inches would be around 334.6 feet tall.

Recreational maths with 64742166225

• 64742166225 backwards is 52266124746
• 64742166225 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64742166225's digits is 45
• More coming soon!