668197027840

Names of 668197027840

• Cardinal: 668197027840 can be written as Six hundred sixty-eight billion, one hundred ninety-seven million, twenty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.6819702784 × 10¹¹

Factors of 668197027840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 2040

Divisors of 668197027840

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 127 128 136 160 170 254 256 272 320 340 508 512 544 635 640 680 1016 1024 1088 1270 1280 1360 1889 2032 2048 2159 2176 2540 2560 2720 3778 4064 4096 4318 4352 5080 5120 5440 7556 8128 8192 8636 8704 9445 10160 10240 10795 10880 15112 16256 16384 17272 17408 18890 20320 20480 21590 21760 30224 32113 32512 32768 34544 34816 37780 40640 40960 43180 43520 60448 64226 65024 69088 69632 75560 81280 81920 86360 87040 120896 128452 130048 138176 139264 151120 160565 162560 163840 172720 174080 239903 241792 256904 260096 276352 278528 302240 321130 325120 345440 348160 479806 483584 513808 520192 552704 557056 604480 642260 650240 690880 696320 959612 967168 1027616 1040384 1105408 1199515 1208960 1284520 1300480 1381760 1392640 1919224 1934336 2055232 2080768 2210816 2399030 2417920 2569040 2600960 2763520 2785280 3838448 3868672 4078351 4110464 4161536 4421632 4798060 4835840 5138080 5201920 5527040 7676896 7737344 8156702 8220928 8843264 9596120 9671680 10276160 10403840 11054080 15353792 15474688 16313404 16441856 17686528 19192240 19343360 20391755 20552320 20807680 22108160 30707584 30949376 32626808 32883712 35373056 38384480 38686720 40783510 41104640 44216320 61415168 61898752 65253616 65767424 70746112 76768960 77373440 81567020 82209280 88432640 122830336 130507232 131534848 153537920 154746880 163134040 164418560 176865280 245660672 261014464 263069696 307075840 309493760 326268080 328837120 353730560 491321344 522028928 526139392 614151680 652536160 657674240 982642688 1044057856 1052278784 1228303360 1305072320 1315348480 1965285376 2088115712 2456606720 2610144640 2630696960 3930570752 4176231424 4913213440 5220289280 5261393920 7861141504 8352462848 9826426880 10440578560 16704925696 19652853760 20881157120 33409851392 39305707520 41762314240 66819702784 83524628480 133639405568 167049256960 334098513920 668197027840
• Sum of all divisors σ(n): 1712256537600
• Sum of proper divisors (its aliquot sum) s(n): 1044059509760
• 668197027840 is an abundant number, because the sum of its proper divisors (1044059509760) is greater than itself. Its abundance is 375862481920

Bases of 668197027840

• Binary: 1001101110010011101001011000000000000000₂
• Hexadecimal: 0x9B93A58000
• Base-36: 8IYR9AF4

Squares and roots of 668197027840

• 668197027840 squared (668197027840²) is 446487268014209735065600
• 668197027840 cubed (668197027840³) is 298341465455496443857227747426304000
• The square root of 668197027840 is 817433.1947260279
• The cube root of 668197027840 is 8742.4840071757

Scales and comparisons

• 668,197,027,840 seconds is equal to 21,246 years, 31 weeks, 21 hours, 30 minutes, 40 seconds.
• To count from 1 to 668,197,027,840 would take you about forty-two thousand, four hundred ninety-three 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 668197027840 cubic inches would be around 728.5 feet tall.

Recreational maths with 668197027840

• 668197027840 backwards is 048720791866
• The number of decimal digits it has is: 12
• The sum of 668197027840's digits is 58
• More coming soon!