12900805788

Names of 12900805788

• Cardinal: 12900805788 can be written as Twelve billion, nine hundred million, eight hundred five thousand, seven hundred eighty-eight.

Scientific notation

• Scientific notation: 1.2900805788 × 10¹⁰

Factors of 12900805788

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3749

Divisors of 12900805788

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 174 348 377 754 1093 1131 1508 2186 2262 2609 3279 4372 4524 5218 6558 7827 10436 13116 14209 15654 28418 31308 31697 33917 42627 56836 63394 67834 75661 85254 95091 101751 126788 135668 151322 170508 190182 203502 226983 302644 380364 407004 412061 453966 824122 907932 983593 1236183 1648244 1967186 2472366 2851637 2950779 3934372 4944732 5703274 5901558 8554911 11406548 11803116 17109822 34219644 37071281 74142562 82697473 111213843 148285124 165394946 222427686 248092419 330789892 444855372 496184838 992369676 1075067149 2150134298 3225201447 4300268596 6450402894 12900805788
• Sum of all divisors σ(n): 33578798400
• Sum of proper divisors (its aliquot sum) s(n): 20677992612
• 12900805788 is an abundant number, because the sum of its proper divisors (20677992612) is greater than itself. Its abundance is 7777186824

Bases of 12900805788

• Binary: 1100000000111100101010110010011100₂
• Hexadecimal: 0x300F2AC9C
• Base-36: 5XCT1GC

Squares and roots of 12900805788

• 12900805788 squared (12900805788²) is 166430789979694300944
• 12900805788 cubed (12900805788³) is 2147091298671452640088969063872
• The square root of 12900805788 is 113581.7141444873
• The cube root of 12900805788 is 2345.3389300725

Scales and comparisons

• 12,900,805,788 seconds is equal to 410 years, 10 weeks, 4 days, 21 hours, 9 minutes, 48 seconds.
• To count from 1 to 12,900,805,788 would take you about eight hundred twenty 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 12900805788 cubic inches would be around 195.4 feet tall.

Recreational maths with 12900805788

• 12900805788 backwards is 88750800921
• The number of decimal digits it has is: 11
• The sum of 12900805788's digits is 48
• More coming soon!