1812412728

Names of 1812412728

• Cardinal: 1812412728 can be written as One billion, eight hundred twelve million, four hundred twelve thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.812412728 × 10⁹

Factors of 1812412728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11814

Divisors of 1812412728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 313 504 626 939 1252 1878 2191 2504 2817 3756 4382 5634 6573 7512 8764 11268 11489 13146 17528 19719 22536 22978 26292 34467 39438 45956 52584 68934 78876 80423 91912 103401 137868 157752 160846 206802 241269 275736 321692 413604 482538 643384 723807 827208 965076 1447614 1930152 2895228 3596057 5790456 7192114 10788171 14384228 21576342 25172399 28768456 32364513 43152684 50344798 64729026 75517197 86305368 100689596 129458052 151034394 201379192 226551591 258916104 302068788 453103182 604137576 906206364 1812412728
• Sum of all divisors σ(n): 5628261600
• Sum of proper divisors (its aliquot sum) s(n): 3815848872
• 1812412728 is an abundant number, because the sum of its proper divisors (3815848872) is greater than itself. Its abundance is 2003436144

Bases of 1812412728

• Binary: 1101100000001110011100100111000₂
• Hexadecimal: 0x6C073938
• Base-36: TZ2AM0

Squares and roots of 1812412728

• 1812412728 squared (1812412728²) is 3284839896616401984
• 1812412728 cubed (1812412728³) is 5953485638069771089366052352
• The square root of 1812412728 is 42572.4409448179
• The cube root of 1812412728 is 1219.2301709679

Scales and comparisons

• 1,812,412,728 seconds is equal to 57 years, 32 weeks, 4 days, 23 hours, 58 minutes, 48 seconds.
• To count from 1 to 1,812,412,728 would take you about one hundred fifteen 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 1812412728 cubic inches would be around 101.6 feet tall.

Recreational maths with 1812412728

• 1812412728 backwards is 8272142181
• 1812412728 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1812412728's digits is 36
• More coming soon!