689409128960

Names of 689409128960

• Cardinal: 689409128960 can be written as Six hundred eighty-nine billion, four hundred nine million, one hundred twenty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 6.8940912896 × 10¹¹

Factors of 689409128960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 86150

Divisors of 689409128960

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 64 80 101 124 128 155 160 202 248 256 310 320 404 496 505 512 620 640 808 992 1010 1240 1280 1616 1984 2020 2480 2560 3131 3232 3968 4040 4960 6262 6464 7936 8080 9920 12524 12928 15655 15872 16160 19840 25048 25856 31310 32320 39680 50096 51712 62620 64640 79360 86011 100192 125240 129280 172022 200384 250480 258560 344044 400768 430055 500960 688088 801536 860110 1001920 1376176 1603072 1720220 2003840 2666341 2752352 3440440 4007680 5332682 5504704 6880880 8015360 8687111 10665364 11009408 13331705 13761760 17374222 21330728 22018816 26663410 27523520 34748444 42661456 43435555 44037632 53326820 55047040 69496888 85322912 86871110 106653640 110094080 138993776 170645824 173742220 213307280 220188160 269300441 277987552 341291648 347484440 426614560 538600882 555975104 682583296 694968880 853229120 1077201764 1111950208 1346502205 1365166592 1389937760 1706458240 2154403528 2223900416 2693004410 2779875520 3412916480 4308807056 4447800832 5386008820 5559751040 6825832960 8617614112 10772017640 11119502080 17235228224 21544035280 22239004160 34470456448 43088070560 68940912896 86176141120 137881825792 172352282240 344704564480 689409128960
• Sum of all divisors σ(n): 1723201565184
• Sum of proper divisors (its aliquot sum) s(n): 1033792436224
• 689409128960 is an abundant number, because the sum of its proper divisors (1033792436224) is greater than itself. Its abundance is 344383307264

Bases of 689409128960

• Binary: 1010000010000011111111000111101000000000₂
• Hexadecimal: 0xA083FC7A00
• Base-36: 8SPKE8E8

Squares and roots of 689409128960

• 689409128960 squared (689409128960²) is 475284947093385910681600
• 689409128960 cubed (689409128960³) is 327665781383450864460138215899136000
• The square root of 689409128960 is 830306.6475465555
• The cube root of 689409128960 is 8834.0328518331

Scales and comparisons

• 689,409,128,960 seconds is equal to 21,921 years, 4 weeks, 7 hours, 49 minutes, 20 seconds.
• To count from 1 to 689,409,128,960 would take you about forty-three thousand, eight hundred forty-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 689409128960 cubic inches would be around 736.2 feet tall.

Recreational maths with 689409128960

• 689409128960 backwards is 069821904986
• 689409128960 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 689409128960's digits is 62
• More coming soon!