668510768000

Names of 668510768000

• Cardinal: 668510768000 can be written as Six hundred sixty-eight billion, five hundred ten million, seven hundred sixty-eight thousand.

Scientific notation

• Scientific notation: 6.68510768 × 10¹¹

Factors of 668510768000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 354

Divisors of 668510768000

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 347 400 500 640 694 800 1000 1388 1600 1735 2000 2776 3200 3470 4000 5552 6940 8000 8675 11104 13880 16000 17350 22208 27760 34700 43375 44416 55520 69400 86750 111040 120409 138800 173500 222080 240818 277600 347000 481636 555200 602045 694000 963272 1110400 1204090 1388000 1926544 2408180 2776000 3010225 3853088 4816360 5552000 6020450 7706176 9632720 12040900 15051125 15412352 19265440 24081800 30102250 38530880 41781923 48163600 60204500 77061760 83563846 96327200 120409000 167127692 192654400 208909615 240818000 334255384 385308800 417819230 481636000 668510768 835638460 963272000 1044548075 1337021536 1671276920 1926544000 2089096150 2674043072 3342553840 4178192300 5222740375 5348086144 6685107680 8356384600 10445480750 13370215360 16712769200 20890961500 26740430720 33425538400 41781923000 66851076800 83563846000 133702153600 167127692000 334255384000 668510768000
• Sum of all divisors σ(n): 1666888610400
• Sum of proper divisors (its aliquot sum) s(n): 998377842400
• 668510768000 is an abundant number, because the sum of its proper divisors (998377842400) is greater than itself. Its abundance is 329867074400

Bases of 668510768000

• Binary: 1001101110100110010110001100101110000000₂
• Hexadecimal: 0x9BA658CB80
• Base-36: 8J3Y1TVK

Squares and roots of 668510768000

• 668510768000 squared (668510768000²) is 446906646931949824000000
• 668510768000 cubed (668510768000³) is 298761905764782620579704832000000000
• The square root of 668510768000 is 817625.0778932847
• The cube root of 668510768000 is 8743.8520862703

Scales and comparisons

• 668,510,768,000 seconds is equal to 21,256 years, 29 weeks, 6 days, 3 hours, 33 minutes, 20 seconds.
• To count from 1 to 668,510,768,000 would take you about forty-two thousand, five hundred thirteen 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 668510768000 cubic inches would be around 728.7 feet tall.

Recreational maths with 668510768000

• 668510768000 backwards is 000867015866
• The number of decimal digits it has is: 12
• The sum of 668510768000's digits is 47
• More coming soon!