455817947221

Names of 455817947221

• Cardinal: 455817947221 can be written as Four hundred fifty-five billion, eight hundred seventeen million, nine hundred forty-seven thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 4.55817947221 × 10¹¹

Factors of 455817947221

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 108

Divisors of 455817947221

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 29 59 91 203 377 413 767 841 1711 2639 3481 5369 5887 10933 11977 22243 24367 24389 45253 49619 76531 100949 155701 170723 205379 316771 317057 347333 645047 706643 1312337 1437653 1438951 2219399 2669927 2927521 4515329 5955991 9186359 10072657 18689489 18706363 20492647 38057773 41691937 77427883 84898109 130944541 172723739 266404411 541995181 594286763 1103675417 1209066173 2245408607 5008988431 7725727919 15717860249 35062919017 65116849603 455817947221
• Sum of all divisors σ(n): 591059750400
• Sum of proper divisors (its aliquot sum) s(n): 135241803179
• 455817947221 is a deficient number, because the sum of its proper divisors (135241803179) is less than itself. Its deficiency is 320576144042

Bases of 455817947221

• Binary: 110101000100000110111011110100001010101₂
• Hexadecimal: 0x6A20DDE855
• Base-36: 5TEE8J11

Squares and roots of 455817947221

• 455817947221 squared (455817947221²) is 207770001008766341622841
• 455817947221 cubed (455817947221³) is 94705295353920973064161394426074861
• The square root of 455817947221 is 675142.9087393275
• The cube root of 455817947221 is 7695.9778128663

Scales and comparisons

• 455,817,947,221 seconds is equal to 14,493 years, 31 weeks, 1 day, 16 hours, 27 minutes, 1 second.
• To count from 1 to 455,817,947,221 would take you about twenty-eight thousand, nine hundred eighty-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 455817947221 cubic inches would be around 641.3 feet tall.

Recreational maths with 455817947221

• 455817947221 backwards is 122749718554
• The number of decimal digits it has is: 12
• The sum of 455817947221's digits is 55
• More coming soon!