997280391680

Names of 997280391680

• Cardinal: 997280391680 can be written as Nine hundred ninety-seven billion, two hundred eighty million, three hundred ninety-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 9.9728039168 × 10¹¹

Factors of 997280391680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 104761

Divisors of 997280391680

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 61 64 80 122 128 160 244 256 305 320 488 512 610 640 976 1220 1280 1952 2440 2560 3721 3904 4880 7442 7808 9760 14884 15616 18605 19520 29768 31232 37210 39040 59536 74420 78080 104693 119072 148840 156160 209386 238144 297680 418772 476288 523465 595360 837544 952576 1046930 1190720 1675088 1905152 2093860 2381440 3350176 4187720 4762880 6386273 6700352 8375440 9525760 12772546 13400704 16750880 25545092 26801408 31931365 33501760 51090184 53602816 63862730 67003520 102180368 127725460 134007040 204360736 255450920 268014080 389562653 408721472 510901840 779125306 817442944 1021803680 1558250612 1634885888 1947813265 2043607360 3116501224 3269771776 3895626530 4087214720 6233002448 7791253060 8174429440 12466004896 15582506120 16348858880 24932009792 31165012240 49864019584 62330024480 99728039168 124660048960 199456078336 249320097920 498640195840 997280391680
• Sum of all divisors σ(n): 2431000333476
• Sum of proper divisors (its aliquot sum) s(n): 1433719941796
• 997280391680 is an abundant number, because the sum of its proper divisors (1433719941796) is greater than itself. Its abundance is 436439550116

Bases of 997280391680

• Binary: 1110100000110010100010110010001000000000₂
• Hexadecimal: 0xE8328B2200
• Base-36: CQ56ZV28

Squares and roots of 997280391680

• 997280391680 squared (997280391680²) is 994568179629414213222400
• 997280391680 cubed (997280391680³) is 991863343733286803811394106949632000
• The square root of 997280391680 is 998639.2700469975
• The cube root of 997280391680 is 9990.9264084171

Scales and comparisons

• 997,280,391,680 seconds is equal to 31,710 years, 22 weeks, 3 days, 3 hours, 1 minute, 20 seconds.
• To count from 1 to 997,280,391,680 would take you about sixty-three thousand, four hundred twenty 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 997280391680 cubic inches would be around 832.6 feet tall.

Recreational maths with 997280391680

• 997280391680 backwards is 086193082799
• The number of decimal digits it has is: 12
• The sum of 997280391680's digits is 62
• More coming soon!