21427830817450

Names of 21427830817450

• Cardinal: 21427830817450 can be written as Twenty-one trillion, four hundred twenty-seven billion, eight hundred thirty million, eight hundred seventeen thousand, four hundred fifty.

Scientific notation

• Scientific notation: 2.142783081745 × 10¹³

Factors of 21427830817450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 880775

Divisors of 21427830817450

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 23 25 31 46 50 62 115 155 230 310 575 683 713 775 1150 1366 1426 1550 3415 3565 6830 7130 15709 17075 17825 21173 31418 34150 35650 42346 78545 105865 157090 211730 392725 486979 529325 785450 880031 973958 1058650 1760062 2434895 4400155 4869790 8800310 12174475 20240713 22000775 24348950 27280961 40481426 44001550 54561922 101203565 136404805 202407130 272809610 506017825 601061173 627462103 682024025 1012035650 1202122346 1254924206 1364048050 3005305865 3137310515 6010611730 6274621030 13824406979 15026529325 15686552575 18632896363 27648813958 30053058650 31373105150 37265792726 69122034895 93164481815 138244069790 186328963630 345610174475 428556616349 465822409075 691220348950 857113232698 931644818150 2142783081745 4285566163490 10713915408725 21427830817450
• Sum of all divisors σ(n): 42993097408512
• Sum of proper divisors (its aliquot sum) s(n): 21565266591062
• 21427830817450 is an abundant number, because the sum of its proper divisors (21565266591062) is greater than itself. Its abundance is 137435773612

Bases of 21427830817450

• Binary: 100110111110100001110001111101000001010101010₂
• Hexadecimal: 0x137D0E3E82AA
• Base-36: 7LFT57V6Y

Squares and roots of 21427830817450

• 21427830817450 squared (21427830817450²) is 459151933541259935224502500
• 21427830817450 cubed (21427830817450³) is 9838629951427163951104585453844568625000
• The square root of 21427830817450 is 4629020.5030276113
• The cube root of 21427830817450 is 27775.3412179375

Scales and comparisons

• 21,427,830,817,450 seconds is equal to 681,338 years, 38 weeks, 3 days, 3 hours, 4 minutes, 10 seconds.
• To count from 1 to 21,427,830,817,450 would take you about one million, seven hundred three thousand, three hundred forty-six 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 21427830817450 cubic inches would be around 2314.6 feet tall.

Recreational maths with 21427830817450

• 21427830817450 backwards is 05471803872412
• The number of decimal digits it has is: 14
• The sum of 21427830817450's digits is 52
• More coming soon!