16986931988

Names of 16986931988

• Cardinal: 16986931988 can be written as Sixteen billion, nine hundred eighty-six million, nine hundred thirty-one thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.6986931988 × 10¹⁰

Factors of 16986931988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17956

Divisors of 16986931988

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 13 19 26 31 38 52 62 76 124 247 403 494 589 806 961 988 1178 1612 1922 2356 3844 7657 12493 15314 17891 18259 24986 30628 35782 36518 49972 71564 73036 232583 237367 339929 465166 474734 554621 679858 930332 949468 1109242 1359716 2218484 4419077 7210073 8838154 10537799 14420146 17193251 17676308 21075598 28840292 34386502 42151196 68773004 136991387 223512263 273982774 326671769 447024526 547965548 653343538 894049052 1306687076 4246732997 8493465994 16986931988
• Sum of all divisors σ(n): 34822841760
• Sum of proper divisors (its aliquot sum) s(n): 17835909772
• 16986931988 is an abundant number, because the sum of its proper divisors (17835909772) is greater than itself. Its abundance is 848977784

Bases of 16986931988

• Binary: 1111110100100000000000001100010100₂
• Hexadecimal: 0x3F4800314
• Base-36: 7SXKWLW

Squares and roots of 16986931988

• 16986931988 squared (16986931988²) is 288555858364937632144
• 16986931988 cubed (16986931988³) is 4901678740784156441091890622272
• The square root of 16986931988 is 130333.9249313087
• The cube root of 16986931988 is 2570.6225680647

Scales and comparisons

• 16,986,931,988 seconds is equal to 540 years, 6 weeks, 6 days, 13 minutes, 8 seconds.
• To count from 1 to 16,986,931,988 would take you about one thousand and eighty 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 16986931988 cubic inches would be around 214.2 feet tall.

Recreational maths with 16986931988

• 16986931988 backwards is 88913968961
• The number of decimal digits it has is: 11
• The sum of 16986931988's digits is 68
• More coming soon!