16989813539721

Names of 16989813539721

• Cardinal: 16989813539721 can be written as Sixteen trillion, nine hundred eighty-nine billion, eight hundred thirteen million, five hundred thirty-nine thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.6989813539721 × 10¹³

Factors of 16989813539721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4062

Divisors of 16989813539721

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 11 27 33 67 73 81 99 201 219 243 297 367 603 657 737 803 891 1101 1809 1971 2211 2409 2673 3303 3541 4037 4891 5427 5913 6633 7227 9909 10623 12111 14673 16281 17739 19899 21681 24589 26791 29727 31869 36333 38951 44019 53801 59697 65043 73767 80373 89181 95607 108999 116853 132057 161403 179091 195129 221301 237247 241119 258493 270479 286821 294701 326997 350559 396171 484209 663903 711741 723357 775479 811437 860463 884103 980991 1051677 1188513 1299547 1452627 1794997 1991709 2135223 2170071 2326437 2434311 2609717 2652309 2843423 3155031 3898641 4357881 5384991 5975127 6405669 6510213 6979311 7302933 7829151 7956927 8530269 9465093 11695923 13073643 14295017 16154973 17319031 19217007 19744967 20937933 21908799 23487453 23870781 25590807 35087769 42885051 48464919 51957093 57651021 59234901 62813799 65726397 70462359 71612343 76772421 87069649 94866931 105263307 128655153 145394757 155871279 177704703 190509341 211387077 230317263 261208947 284600793 315789921 385965459 436184271 467613837 533114109 571528023 634161231 690951789 783626841 853802379 957766139 1043536241 1157896377 1402841511 1599342327 1714584069 2350880523 2561407137 2873298417 3130608723 3473689131 4208524533 4798026981 5143752207 6356084377 7052641569 7684221411 8619895251 9391826169 15431256621 19068253131 21157924707 23052664233 25859685753 28175478507 46293769863 57204759393 69916928147 77579057259 84526435521 171614278179 209750784441 232737171777 253579306563 514842834537 629252353323 1544528503611 1887757059969 5663271179907 16989813539721
• Sum of all divisors σ(n): 28649670905856
• Sum of proper divisors (its aliquot sum) s(n): 11659857366135
• 16989813539721 is a deficient number, because the sum of its proper divisors (11659857366135) is less than itself. Its deficiency is 5329956173586

Bases of 16989813539721

• Binary: 11110111001110111111110011010000001110001001₂
• Hexadecimal: 0xF73BFCD0389
• Base-36: 60T0GBFK9

Squares and roots of 16989813539721

• 16989813539721 squared (16989813539721²) is 288653764114487015644757841
• 16989813539721 cubed (16989813539721³) is 4904173629843743208367556719678079702361
• The square root of 16989813539721 is 4121870.1507593613
• The cube root of 16989813539721 is 25707.6791436353

Scales and comparisons

• 16,989,813,539,721 seconds is equal to 540,223 years, 26 weeks, 6 days, 9 hours, 55 minutes, 21 seconds.
• To count from 1 to 16,989,813,539,721 would take you about one million, three hundred fifty thousand, five hundred fifty-eight 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 16989813539721 cubic inches would be around 2142.3 feet tall.

Recreational maths with 16989813539721

• 16989813539721 backwards is 12793531898961
• The number of decimal digits it has is: 14
• The sum of 16989813539721's digits is 72
• More coming soon!