21429407450

Names of 21429407450

• Cardinal: 21429407450 can be written as Twenty-one billion, four hundred twenty-nine million, four hundred seven thousand, four hundred fifty.

Scientific notation

• Scientific notation: 2.142940745 × 10¹⁰

Factors of 21429407450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3199

Divisors of 21429407450

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 11 19 22 25 38 50 55 95 110 190 209 275 418 475 550 911 950 1045 1822 2090 2251 4502 4555 5225 9110 10021 10450 11255 17309 20042 22510 22775 24761 34618 42769 45550 49522 50105 56275 85538 86545 100210 112550 123805 173090 190399 213845 247610 250525 380798 427690 432725 470459 501050 619025 865450 940918 951995 1069225 1238050 1903990 2050661 2138450 2352295 4101322 4704590 4759975 9519950 10253305 11761475 20506610 22557271 23522950 38962559 45114542 51266525 77925118 102533050 112786355 194812795 225572710 389625590 428588149 563931775 857176298 974063975 1127863550 1948127950 2142940745 4285881490 10714703725 21429407450
• Sum of all divisors σ(n): 45841351680
• Sum of proper divisors (its aliquot sum) s(n): 24411944230
• 21429407450 is an abundant number, because the sum of its proper divisors (24411944230) is greater than itself. Its abundance is 2982536780

Bases of 21429407450

• Binary: 10011111101010010101100111011011010₂
• Hexadecimal: 0x4FD4ACEDA
• Base-36: 9UEIKM2

Squares and roots of 21429407450

• 21429407450 squared (21429407450²) is 459219503658115502500
• 21429407450 cubed (21429407450³) is 9840801852876522602233993625000
• The square root of 21429407450 is 146387.8664712345
• The cube root of 21429407450 is 2777.6022425995

Scales and comparisons

• 21,429,407,450 seconds is equal to 681 years, 20 weeks, 1 day, 13 hours, 10 minutes, 50 seconds.
• To count from 1 to 21,429,407,450 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 21429407450 cubic inches would be around 231.5 feet tall.

Recreational maths with 21429407450

• 21429407450 backwards is 05470492412
• 21429407450 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21429407450's digits is 38
• More coming soon!