21424014465

Names of 21424014465

• Cardinal: 21424014465 can be written as Twenty-one billion, four hundred twenty-four million, fourteen thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 2.1424014465 × 10¹⁰

Factors of 21424014465

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 270

Divisors of 21424014465

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 15 17 21 35 47 49 51 85 105 119 141 147 191 235 245 255 329 357 573 595 705 735 799 833 955 987 1337 1645 1785 2303 2397 2499 2865 3247 3995 4011 4165 4935 5593 6685 6909 8977 9359 9741 11515 11985 12495 16235 16779 20055 22729 26931 27965 28077 34545 36481 39151 44885 46795 48705 62839 68187 83895 109443 113645 117453 134655 140385 152609 159103 182405 188517 195755 255367 314195 340935 439873 457827 477309 547215 587265 620177 763045 766101 795515 942585 1068263 1276835 1319619 1714607 1787569 1860531 2199365 2289135 2386545 3100885 3204789 3830505 4341239 5143821 5341315 5362707 6598095 7477841 8573035 8937845 9302655 12002249 13023717 16023945 21706195 22433523 25719105 26813535 29148319 30388673 36006747 37389205 60011245 65118585 84015743 87444957 91166019 112167615 145741595 151943365 180033735 204038233 252047229 420078715 437224785 455830095 612114699 1020191165 1260236145 1428267631 3060573495 4284802893 7141338155 21424014465
• Sum of all divisors σ(n): 43345725696
• Sum of proper divisors (its aliquot sum) s(n): 21921711231
• 21424014465 is an abundant number, because the sum of its proper divisors (21921711231) is greater than itself. Its abundance is 497696766

Bases of 21424014465

• Binary: 10011111100111110001000010010000001₂
• Hexadecimal: 0x4FCF88481
• Base-36: 9UBAZCX

Squares and roots of 21424014465

• 21424014465 squared (21424014465²) is 458988395796529236225
• 21424014465 cubed (21424014465³) is 9833374030811987553679801994625
• The square root of 21424014465 is 146369.4451208995
• The cube root of 21424014465 is 2777.3692166511

Scales and comparisons

• 21,424,014,465 seconds is equal to 681 years, 11 weeks, 2 days, 3 hours, 7 minutes, 45 seconds.
• To count from 1 to 21,424,014,465 would take you about one thousand, three hundred sixty-two 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 21424014465 cubic inches would be around 231.4 feet tall.

Recreational maths with 21424014465

• 21424014465 backwards is 56441042412
• The number of decimal digits it has is: 11
• The sum of 21424014465's digits is 33
• More coming soon!