20731128448

Names of 20731128448

• Cardinal: 20731128448 can be written as Twenty billion, seven hundred thirty-one million, one hundred twenty-eight thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.0731128448 × 10¹⁰

Factors of 20731128448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 726

Divisors of 20731128448

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 107 128 136 214 269 272 331 428 538 544 662 856 1076 1088 1324 1712 1819 2152 2176 2648 3424 3638 4304 4573 5296 5627 6848 7276 8608 9146 10592 11254 13696 14552 17216 18292 21184 22508 28783 29104 34432 35417 36584 42368 45016 57566 58208 70834 73168 89039 90032 115132 116416 141668 146336 178078 180064 230264 232832 283336 292672 356156 360128 460528 489311 566672 585344 602089 712312 720256 921056 978622 1133344 1204178 1424624 1513663 1842112 1957244 2266688 2408356 2849248 3027326 3684224 3914488 4533376 4816712 5698496 6054652 7828976 9527173 9633424 11396992 12109304 15657952 19054346 19266848 24218608 31315904 38108692 38533696 48437216 62631808 76217384 77067392 96874432 152434768 161961941 193748864 304869536 323923882 609739072 647847764 1219478144 1295695528 2591391056 5182782112 10365564224 20731128448
• Sum of all divisors σ(n): 44436340800
• Sum of proper divisors (its aliquot sum) s(n): 23705212352
• 20731128448 is an abundant number, because the sum of its proper divisors (23705212352) is greater than itself. Its abundance is 2974083904

Bases of 20731128448

• Binary: 10011010011101010111110101010000000₂
• Hexadecimal: 0x4D3ABEA80
• Base-36: 9IUS134

Squares and roots of 20731128448

• 20731128448 squared (20731128448²) is 429779686727474888704
• 20731128448 cubed (20731128448³) is 8909817889888482688417128251392
• The square root of 20731128448 is 143983.0838952965
• The cube root of 20731128448 is 2747.0990211821

Scales and comparisons

• 20,731,128,448 seconds is equal to 659 years, 9 weeks, 4 days, 14 hours, 47 minutes, 28 seconds.
• To count from 1 to 20,731,128,448 would take you about one thousand, three hundred eighteen 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 20731128448 cubic inches would be around 228.9 feet tall.

Recreational maths with 20731128448

• 20731128448 backwards is 84482113702
• The number of decimal digits it has is: 11
• The sum of 20731128448's digits is 40
• More coming soon!