68308670720

Names of 68308670720

• Cardinal: 68308670720 can be written as Sixty-eight billion, three hundred eight million, six hundred seventy thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.830867072 × 10¹⁰

Factors of 68308670720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 904577

Divisors of 68308670720

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 59 64 80 118 128 160 236 256 295 320 472 590 640 944 1180 1280 1888 2360 3776 4720 7552 9440 15104 18880 37760 75520 904511 1809022 3618044 4522555 7236088 9045110 14472176 18090220 28944352 36180440 53366149 57888704 72360880 106732298 115777408 144721760 213464596 231554816 266830745 289443520 426929192 533661490 578887040 853858384 1067322980 1157774080 1707716768 2134645960 3415433536 4269291920 6830867072 8538583840 13661734144 17077167680 34154335360 68308670720
• Sum of all divisors σ(n): 166394027520
• Sum of proper divisors (its aliquot sum) s(n): 98085356800
• 68308670720 is an abundant number, because the sum of its proper divisors (98085356800) is greater than itself. Its abundance is 29776686080

Bases of 68308670720

• Binary: 111111100111100000111001100100000000₂
• Hexadecimal: 0xFE7839900
• Base-36: VDP7VNK

Squares and roots of 68308670720

• 68308670720 squared (68308670720²) is 4666074495533385318400
• 68308670720 cubed (68308670720³) is 318733346270380128481467957248000
• The square root of 68308670720 is 261359.2751749973
• The cube root of 68308670720 is 4087.8216994013

Scales and comparisons

• 68,308,670,720 seconds is equal to 2,172 years, 1 day, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 68,308,670,720 would take you about four thousand, three hundred forty-four 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 68308670720 cubic inches would be around 340.7 feet tall.

Recreational maths with 68308670720

• 68308670720 backwards is 02707680386
• The number of decimal digits it has is: 11
• The sum of 68308670720's digits is 47
• More coming soon!