689649664

Names of 689649664

• Cardinal: 689649664 can be written as Six hundred eighty-nine million, six hundred forty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 6.89649664 × 10⁸

Factors of 689649664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 36

Divisors of 689649664

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 16 22 23 32 44 46 64 88 92 121 128 176 184 242 253 256 352 368 484 506 512 704 736 968 1012 1024 1331 1408 1472 1936 2024 2048 2662 2783 2816 2944 3872 4048 5324 5566 5632 5888 7744 8096 10648 11132 11264 11776 14641 15488 16192 21296 22264 22528 23552 29282 30613 30976 32384 42592 44528 47104 58564 61226 61952 64768 85184 89056 117128 122452 123904 129536 170368 178112 234256 244904 247808 259072 336743 340736 356224 468512 489808 518144 673486 681472 712448 937024 979616 1346972 1362944 1424896 1874048 1959232 2693944 2725888 2849792 3748096 3918464 5387888 5699584 7496192 7836928 10775776 14992384 15673856 21551552 29984768 31347712 43103104 62695424 86206208 172412416 344824832 689649664
• Sum of all divisors σ(n): 1582799400
• Sum of proper divisors (its aliquot sum) s(n): 893149736
• 689649664 is an abundant number, because the sum of its proper divisors (893149736) is greater than itself. Its abundance is 203500072

Bases of 689649664

• Binary: 101001000110110011100000000000₂
• Hexadecimal: 0x291B3800
• Base-36: BELL34

Squares and roots of 689649664

• 689649664 squared (689649664²) is 475616659055312896
• 689649664 cubed (689649664³) is 328008869110299096141266944
• The square root of 689649664 is 26261.1816946611
• The cube root of 689649664 is 883.5060131223

Scales and comparisons

• 689,649,664 seconds is equal to 21 years, 48 weeks, 2 days, 1 hour, 21 minutes, 4 seconds.
• To count from 1 to 689,649,664 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 689649664 cubic inches would be around 73.6 feet tall.

Recreational maths with 689649664

• 689649664 backwards is 466946986
• The number of decimal digits it has is: 9
• The sum of 689649664's digits is 58
• More coming soon!