680631040

Names of 680631040

• Cardinal: 680631040 can be written as Six hundred eighty million, six hundred thirty-one thousand and forty.

Scientific notation

• Scientific notation: 6.8063104 × 10⁸

Factors of 680631040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1064

Divisors of 680631040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 31 32 34 40 62 64 68 80 85 124 128 136 155 160 170 248 256 272 310 320 340 496 527 544 620 640 680 992 1009 1054 1088 1240 1280 1360 1984 2018 2108 2176 2480 2635 2720 3968 4036 4216 4352 4960 5045 5270 5440 7936 8072 8432 9920 10090 10540 10880 16144 16864 17153 19840 20180 21080 21760 31279 32288 33728 34306 39680 40360 42160 62558 64576 67456 68612 80720 84320 85765 125116 129152 134912 137224 156395 161440 168640 171530 250232 258304 274448 312790 322880 337280 343060 500464 531743 548896 625580 645760 674560 686120 1000928 1063486 1097792 1251160 1291520 1372240 2001856 2126972 2195584 2502320 2658715 2744480 4003712 4253944 4391168 5004640 5317430 5488960 8007424 8507888 10009280 10634860 10977920 17015776 20018560 21269720 21955840 34031552 40037120 42539440 68063104 85078880 136126208 170157760 340315520 680631040
• Sum of all divisors σ(n): 1783676160
• Sum of proper divisors (its aliquot sum) s(n): 1103045120
• 680631040 is an abundant number, because the sum of its proper divisors (1103045120) is greater than itself. Its abundance is 422414080

Bases of 680631040

• Binary: 101000100100011001101100000000₂
• Hexadecimal: 0x28919B00
• Base-36: B98A9S

Squares and roots of 680631040

• 680631040 squared (680631040²) is 463258612611481600
• 680631040 cubed (680631040³) is 315308191290709837348864000
• The square root of 680631040 is 26088.9064546597
• The cube root of 680631040 is 879.6378675267

Scales and comparisons

• 680,631,040 seconds is equal to 21 years, 33 weeks, 2 days, 16 hours, 10 minutes, 40 seconds.
• To count from 1 to 680,631,040 would take you about thirty-two 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 680631040 cubic inches would be around 73.3 feet tall.

Recreational maths with 680631040

• 680631040 backwards is 040136086
• The number of decimal digits it has is: 9
• The sum of 680631040's digits is 28
• More coming soon!