16749391943542545

Names of 16749391943542545

• Cardinal: 16749391943542545 can be written as Sixteen quadrillion, seven hundred forty-nine trillion, three hundred ninety-one billion, nine hundred forty-three million, five hundred forty-two thousand, five hundred forty-five.

Scientific notation

• Scientific notation: 1.6749391943542545 × 10¹⁶

Factors of 16749391943542545

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 59415

Divisors of 16749391943542545

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 243 315 405 567 569 945 1215 1701 1707 2835 2845 3983 5121 8505 8535 11949 15363 19915 25605 35847 46089 58831 59745 76815 107541 138267 176493 179235 230445 294155 322623 411817 529479 537705 691335 882465 967869 1235451 1588437 1613115 2059085 2647395 3706353 4765311 4839345 6177255 7942185 11119059 14295933 18531765 23826555 33357177 33474839 55595295 71479665 100071531 100424517 166785885 167374195 234323873 301273551 500357655 502122585 702971619 903820653 1171619365 1506367755 2108914857 2711461959 3461086561 3514858095 4519103265 6326744571 8134385877 10383259683 10544574285 13557309795 17305432805 18980233713 24227605927 31149779049 31633722855 40671929385 51916298415 56940701139 72682817781 93449337147 94901168565 121138029635 155748895245 218048453343 280348011441 284703505695 363414088905 467246685735 654145360029 841044034323 1090242266715 1401740057205 1962436080087 1969358253209 3270726800145 4205220171615 5887308240261 5908074759627 9812180400435 9846791266045 13785507772463 17724224278881 29436541201305 29540373798135 41356523317389 53172672836643 68927538862315 88621121394405 124069569952167 159518018509929 206782616586945 265863364183215 372208709856501 478554055529787 620347849760835 797590092549645 1116626129569503 1861043549282505 2392770277648935 3349878388708509 5583130647847515 16749391943542545
• Sum of all divisors σ(n): 34469685414702720
• Sum of proper divisors (its aliquot sum) s(n): 17720293471160175
• 16749391943542545 is an abundant number, because the sum of its proper divisors (17720293471160175) is greater than itself. Its abundance is 970901527617630

Bases of 16749391943542545

• Binary: 111011100000010111101110110100111111111010011100010001₂
• Hexadecimal: 0x3B817BB4FFA711
• Base-36: 4KX5WFMP829

Squares and roots of 16749391943542545

• 16749391943542545 squared (16749391943542545²) is 280542130478407912952724225077025
• 16749391943542545 cubed (16749391943542545³) is 4698910100059306962858212296538976854103989528625
• The square root of 16749391943542545 is 129419441.9070896203
• The cube root of 16749391943542545 is 255858.4012238451

Scales and comparisons

• 16,749,391,943,542,545 seconds is equal to 532,578,854 years, 27 weeks, 5 days, 6 hours, 15 minutes, 45 seconds.
• To count from 1 to 16,749,391,943,542,545 would take you about one billion, five hundred ninety-seven million, seven hundred thirty-six thousand, five hundred sixty-three 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 16749391943542545 cubic inches would be around 21321.5 feet tall.

Recreational maths with 16749391943542545

• 16749391943542545 backwards is 54524534919394761
• 16749391943542545 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 16749391943542545's digits is 81
• More coming soon!