728028431936

Names of 728028431936

• Cardinal: 728028431936 can be written as Seven hundred twenty-eight billion, twenty-eight million, four hundred thirty-one thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 7.28028431936 × 10¹¹

Factors of 728028431936

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 188

Divisors of 728028431936

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 169 173 208 338 346 416 676 692 832 1352 1384 2197 2249 2704 2768 4394 4498 5408 5536 8788 8996 10816 11072 17576 17992 29237 29929 35152 35984 58474 59858 70304 71968 116948 119716 140608 143936 233896 239432 380081 389077 467792 478864 760162 778154 935584 957728 1520324 1556308 1871168 1915456 3040648 3112616 5058001 5177717 6081296 6225232 10116002 10355434 12162592 12450464 20232004 20710868 24325184 24900928 40464008 41421736 65754013 67310321 80928016 82843472 131508026 134620642 161856032 165686944 263016052 269241284 323712064 331373888 526032104 538482568 875034173 1052064208 1076965136 1750068346 2104128416 2153930272 3500136692 4208256832 4307860544 7000273384 11375444249 14000546768 22750888498 28001093536 45501776996 56002187072 91003553992 182007107984 364014215968 728028431936
• Sum of all divisors σ(n): 1574115673200
• Sum of proper divisors (its aliquot sum) s(n): 846087241264
• 728028431936 is an abundant number, because the sum of its proper divisors (846087241264) is greater than itself. Its abundance is 118058809328

Bases of 728028431936

• Binary: 1010100110000001111000000100011001000000₂
• Hexadecimal: 0xA981E04640
• Base-36: 9AG9BXA8

Squares and roots of 728028431936

• 728028431936 squared (728028431936²) is 530025397707190984708096
• 728028431936 cubed (728028431936³) is 385873559179021022268310885564153856
• The square root of 728028431936 is 853245.8215168707
• 728028431936 is a perfect cube number. Its cube root is 8996

Scales and comparisons

• 728,028,431,936 seconds is equal to 23,149 years, 2 weeks, 4 days, 23 hours, 58 minutes, 56 seconds.
• To count from 1 to 728,028,431,936 would take you about forty-six thousand, two hundred ninety-eight 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 728028431936 cubic inches would be around 749.7 feet tall.

Recreational maths with 728028431936

• 728028431936 backwards is 639134820827
• The number of decimal digits it has is: 12
• The sum of 728028431936's digits is 53
• More coming soon!